diff --git a/README.md b/README.md
index 139c3a7eb..9a42f6a52 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,7 @@ Read the [Contributing Guide](https://github.com/earlephilhower/arduino-pico/blo
 * Solder Party RP2040 Stamp
 * Solder Party RP2350 Stamp
 * Solder Party RP2350 Stamp XL
+* SparkFun IoT RedBoard RP2350
 * SparkFun MicroMod RP2040
 * SparkFun ProMicro RP2040
 * SparkFun ProMicro RP2350
diff --git a/boards.txt b/boards.txt
index 535afb29d..435a8f2db 100644
--- a/boards.txt
+++ b/boards.txt
@@ -26648,6 +26648,352 @@ solderparty_rp2350_stamp_xl.menu.uploadmethod.picoprobe_cmsis_dap.upload.maximum
 solderparty_rp2350_stamp_xl.menu.uploadmethod.picoprobe_cmsis_dap.upload.tool=picoprobe_cmsis_dap
 solderparty_rp2350_stamp_xl.menu.uploadmethod.picoprobe_cmsis_dap.upload.tool.default=picoprobe_cmsis_dap
 
+# -----------------------------------
+# SparkFun IoT RedBoard RP2350
+# -----------------------------------
+sparkfun_iotredboard_rp2350.name=SparkFun IoT RedBoard RP2350
+sparkfun_iotredboard_rp2350.vid.0=0x1b4f
+sparkfun_iotredboard_rp2350.pid.0=0x0047
+sparkfun_iotredboard_rp2350.vid.1=0x1b4f
+sparkfun_iotredboard_rp2350.pid.1=0x0147
+sparkfun_iotredboard_rp2350.vid.2=0x1b4f
+sparkfun_iotredboard_rp2350.pid.2=0x4047
+sparkfun_iotredboard_rp2350.vid.3=0x1b4f
+sparkfun_iotredboard_rp2350.pid.3=0x4147
+sparkfun_iotredboard_rp2350.vid.4=0x1b4f
+sparkfun_iotredboard_rp2350.pid.4=0x8047
+sparkfun_iotredboard_rp2350.vid.5=0x1b4f
+sparkfun_iotredboard_rp2350.pid.5=0x8147
+sparkfun_iotredboard_rp2350.vid.6=0x1b4f
+sparkfun_iotredboard_rp2350.pid.6=0xc047
+sparkfun_iotredboard_rp2350.vid.7=0x1b4f
+sparkfun_iotredboard_rp2350.pid.7=0xc147
+sparkfun_iotredboard_rp2350.upload_port.0.vid=0x1b4f
+sparkfun_iotredboard_rp2350.upload_port.0.pid=0x0047
+sparkfun_iotredboard_rp2350.upload_port.1.vid=0x1b4f
+sparkfun_iotredboard_rp2350.upload_port.1.pid=0x0147
+sparkfun_iotredboard_rp2350.upload_port.2.vid=0x1b4f
+sparkfun_iotredboard_rp2350.upload_port.2.pid=0x4047
+sparkfun_iotredboard_rp2350.upload_port.3.vid=0x1b4f
+sparkfun_iotredboard_rp2350.upload_port.3.pid=0x4147
+sparkfun_iotredboard_rp2350.upload_port.4.vid=0x1b4f
+sparkfun_iotredboard_rp2350.upload_port.4.pid=0x8047
+sparkfun_iotredboard_rp2350.upload_port.5.vid=0x1b4f
+sparkfun_iotredboard_rp2350.upload_port.5.pid=0x8147
+sparkfun_iotredboard_rp2350.upload_port.6.vid=0x1b4f
+sparkfun_iotredboard_rp2350.upload_port.6.pid=0xc047
+sparkfun_iotredboard_rp2350.upload_port.7.vid=0x1b4f
+sparkfun_iotredboard_rp2350.upload_port.7.pid=0xc147
+sparkfun_iotredboard_rp2350.build.usbvid=-DUSBD_VID=0x1b4f
+sparkfun_iotredboard_rp2350.build.usbpid=-DUSBD_PID=0x0047
+sparkfun_iotredboard_rp2350.build.usbpwr=-DUSBD_MAX_POWER_MA=250
+sparkfun_iotredboard_rp2350.build.board=SPARKFUN_IOTREDBOARD_RP2350
+sparkfun_iotredboard_rp2350.build.variant=sparkfun_iotredboard_rp2350
+sparkfun_iotredboard_rp2350.upload.maximum_size=16777216
+sparkfun_iotredboard_rp2350.upload.wait_for_upload_port=true
+sparkfun_iotredboard_rp2350.upload.erase_cmd=
+sparkfun_iotredboard_rp2350.serial.disableDTR=false
+sparkfun_iotredboard_rp2350.serial.disableRTS=false
+sparkfun_iotredboard_rp2350.build.f_cpu=125000000
+sparkfun_iotredboard_rp2350.build.led=
+sparkfun_iotredboard_rp2350.build.core=rp2040
+sparkfun_iotredboard_rp2350.build.ldscript=memmap_default.ld
+sparkfun_iotredboard_rp2350.build.boot2=none
+sparkfun_iotredboard_rp2350.build.usb_manufacturer="SparkFun"
+sparkfun_iotredboard_rp2350.build.usb_product="IoT RedBoard RP2350"
+sparkfun_iotredboard_rp2350.build.psram_length=0x800000
+sparkfun_iotredboard_rp2350.build.extra_flags=-DPICO_CYW43_SUPPORTED=1 -DCYW43_PIN_WL_DYNAMIC=1
+sparkfun_iotredboard_rp2350.menu.flash.16777216_0=16MB (no FS)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_0.upload.maximum_size=16769024
+sparkfun_iotredboard_rp2350.menu.flash.16777216_0.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_0.build.flash_length=16769024
+sparkfun_iotredboard_rp2350.menu.flash.16777216_0.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_0.build.fs_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_0.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_65536=16MB (Sketch: 16320KB, FS: 64KB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_65536.upload.maximum_size=16703488
+sparkfun_iotredboard_rp2350.menu.flash.16777216_65536.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_65536.build.flash_length=16703488
+sparkfun_iotredboard_rp2350.menu.flash.16777216_65536.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_65536.build.fs_start=285138944
+sparkfun_iotredboard_rp2350.menu.flash.16777216_65536.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_131072=16MB (Sketch: 16256KB, FS: 128KB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_131072.upload.maximum_size=16637952
+sparkfun_iotredboard_rp2350.menu.flash.16777216_131072.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_131072.build.flash_length=16637952
+sparkfun_iotredboard_rp2350.menu.flash.16777216_131072.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_131072.build.fs_start=285073408
+sparkfun_iotredboard_rp2350.menu.flash.16777216_131072.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_262144=16MB (Sketch: 16128KB, FS: 256KB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_262144.upload.maximum_size=16506880
+sparkfun_iotredboard_rp2350.menu.flash.16777216_262144.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_262144.build.flash_length=16506880
+sparkfun_iotredboard_rp2350.menu.flash.16777216_262144.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_262144.build.fs_start=284942336
+sparkfun_iotredboard_rp2350.menu.flash.16777216_262144.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_524288=16MB (Sketch: 15872KB, FS: 512KB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_524288.upload.maximum_size=16244736
+sparkfun_iotredboard_rp2350.menu.flash.16777216_524288.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_524288.build.flash_length=16244736
+sparkfun_iotredboard_rp2350.menu.flash.16777216_524288.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_524288.build.fs_start=284680192
+sparkfun_iotredboard_rp2350.menu.flash.16777216_524288.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_1048576=16MB (Sketch: 15MB, FS: 1MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_1048576.upload.maximum_size=15720448
+sparkfun_iotredboard_rp2350.menu.flash.16777216_1048576.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_1048576.build.flash_length=15720448
+sparkfun_iotredboard_rp2350.menu.flash.16777216_1048576.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_1048576.build.fs_start=284155904
+sparkfun_iotredboard_rp2350.menu.flash.16777216_1048576.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_2097152=16MB (Sketch: 14MB, FS: 2MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_2097152.upload.maximum_size=14671872
+sparkfun_iotredboard_rp2350.menu.flash.16777216_2097152.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_2097152.build.flash_length=14671872
+sparkfun_iotredboard_rp2350.menu.flash.16777216_2097152.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_2097152.build.fs_start=283107328
+sparkfun_iotredboard_rp2350.menu.flash.16777216_2097152.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_3145728=16MB (Sketch: 13MB, FS: 3MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_3145728.upload.maximum_size=13623296
+sparkfun_iotredboard_rp2350.menu.flash.16777216_3145728.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_3145728.build.flash_length=13623296
+sparkfun_iotredboard_rp2350.menu.flash.16777216_3145728.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_3145728.build.fs_start=282058752
+sparkfun_iotredboard_rp2350.menu.flash.16777216_3145728.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_4194304=16MB (Sketch: 12MB, FS: 4MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_4194304.upload.maximum_size=12574720
+sparkfun_iotredboard_rp2350.menu.flash.16777216_4194304.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_4194304.build.flash_length=12574720
+sparkfun_iotredboard_rp2350.menu.flash.16777216_4194304.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_4194304.build.fs_start=281010176
+sparkfun_iotredboard_rp2350.menu.flash.16777216_4194304.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_5242880=16MB (Sketch: 11MB, FS: 5MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_5242880.upload.maximum_size=11526144
+sparkfun_iotredboard_rp2350.menu.flash.16777216_5242880.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_5242880.build.flash_length=11526144
+sparkfun_iotredboard_rp2350.menu.flash.16777216_5242880.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_5242880.build.fs_start=279961600
+sparkfun_iotredboard_rp2350.menu.flash.16777216_5242880.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_6291456=16MB (Sketch: 10MB, FS: 6MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_6291456.upload.maximum_size=10477568
+sparkfun_iotredboard_rp2350.menu.flash.16777216_6291456.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_6291456.build.flash_length=10477568
+sparkfun_iotredboard_rp2350.menu.flash.16777216_6291456.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_6291456.build.fs_start=278913024
+sparkfun_iotredboard_rp2350.menu.flash.16777216_6291456.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_7340032=16MB (Sketch: 9MB, FS: 7MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_7340032.upload.maximum_size=9428992
+sparkfun_iotredboard_rp2350.menu.flash.16777216_7340032.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_7340032.build.flash_length=9428992
+sparkfun_iotredboard_rp2350.menu.flash.16777216_7340032.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_7340032.build.fs_start=277864448
+sparkfun_iotredboard_rp2350.menu.flash.16777216_7340032.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_8388608=16MB (Sketch: 8MB, FS: 8MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_8388608.upload.maximum_size=8380416
+sparkfun_iotredboard_rp2350.menu.flash.16777216_8388608.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_8388608.build.flash_length=8380416
+sparkfun_iotredboard_rp2350.menu.flash.16777216_8388608.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_8388608.build.fs_start=276815872
+sparkfun_iotredboard_rp2350.menu.flash.16777216_8388608.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_9437184=16MB (Sketch: 7MB, FS: 9MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_9437184.upload.maximum_size=7331840
+sparkfun_iotredboard_rp2350.menu.flash.16777216_9437184.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_9437184.build.flash_length=7331840
+sparkfun_iotredboard_rp2350.menu.flash.16777216_9437184.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_9437184.build.fs_start=275767296
+sparkfun_iotredboard_rp2350.menu.flash.16777216_9437184.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_10485760=16MB (Sketch: 6MB, FS: 10MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_10485760.upload.maximum_size=6283264
+sparkfun_iotredboard_rp2350.menu.flash.16777216_10485760.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_10485760.build.flash_length=6283264
+sparkfun_iotredboard_rp2350.menu.flash.16777216_10485760.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_10485760.build.fs_start=274718720
+sparkfun_iotredboard_rp2350.menu.flash.16777216_10485760.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_11534336=16MB (Sketch: 5MB, FS: 11MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_11534336.upload.maximum_size=5234688
+sparkfun_iotredboard_rp2350.menu.flash.16777216_11534336.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_11534336.build.flash_length=5234688
+sparkfun_iotredboard_rp2350.menu.flash.16777216_11534336.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_11534336.build.fs_start=273670144
+sparkfun_iotredboard_rp2350.menu.flash.16777216_11534336.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_12582912=16MB (Sketch: 4MB, FS: 12MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_12582912.upload.maximum_size=4186112
+sparkfun_iotredboard_rp2350.menu.flash.16777216_12582912.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_12582912.build.flash_length=4186112
+sparkfun_iotredboard_rp2350.menu.flash.16777216_12582912.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_12582912.build.fs_start=272621568
+sparkfun_iotredboard_rp2350.menu.flash.16777216_12582912.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_13631488=16MB (Sketch: 3MB, FS: 13MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_13631488.upload.maximum_size=3137536
+sparkfun_iotredboard_rp2350.menu.flash.16777216_13631488.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_13631488.build.flash_length=3137536
+sparkfun_iotredboard_rp2350.menu.flash.16777216_13631488.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_13631488.build.fs_start=271572992
+sparkfun_iotredboard_rp2350.menu.flash.16777216_13631488.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_14680064=16MB (Sketch: 2MB, FS: 14MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_14680064.upload.maximum_size=2088960
+sparkfun_iotredboard_rp2350.menu.flash.16777216_14680064.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_14680064.build.flash_length=2088960
+sparkfun_iotredboard_rp2350.menu.flash.16777216_14680064.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_14680064.build.fs_start=270524416
+sparkfun_iotredboard_rp2350.menu.flash.16777216_14680064.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_15728640=16MB (Sketch: 1MB, FS: 15MB)
+sparkfun_iotredboard_rp2350.menu.flash.16777216_15728640.upload.maximum_size=1040384
+sparkfun_iotredboard_rp2350.menu.flash.16777216_15728640.build.flash_total=16777216
+sparkfun_iotredboard_rp2350.menu.flash.16777216_15728640.build.flash_length=1040384
+sparkfun_iotredboard_rp2350.menu.flash.16777216_15728640.build.eeprom_start=285204480
+sparkfun_iotredboard_rp2350.menu.flash.16777216_15728640.build.fs_start=269475840
+sparkfun_iotredboard_rp2350.menu.flash.16777216_15728640.build.fs_end=285204480
+sparkfun_iotredboard_rp2350.menu.arch.arm=ARM
+sparkfun_iotredboard_rp2350.menu.arch.arm.build.chip=rp2350
+sparkfun_iotredboard_rp2350.menu.arch.arm.build.toolchain=arm-none-eabi
+sparkfun_iotredboard_rp2350.menu.arch.arm.build.toolchainpkg=pqt-gcc
+sparkfun_iotredboard_rp2350.menu.arch.arm.build.toolchainopts=-mcpu=cortex-m33 -mthumb -march=armv8-m.main+fp+dsp -mfloat-abi=softfp -mcmse
+sparkfun_iotredboard_rp2350.menu.arch.arm.build.uf2family=--family rp2350-arm-s --abs-block
+sparkfun_iotredboard_rp2350.menu.arch.arm.build.mcu=cortex-m33
+sparkfun_iotredboard_rp2350.menu.arch.riscv=RISC-V
+sparkfun_iotredboard_rp2350.menu.arch.riscv.build.chip=rp2350-riscv
+sparkfun_iotredboard_rp2350.menu.arch.riscv.build.toolchain=riscv32-unknown-elf
+sparkfun_iotredboard_rp2350.menu.arch.riscv.build.toolchainpkg=pqt-gcc-riscv
+sparkfun_iotredboard_rp2350.menu.arch.riscv.build.toolchainopts=-march=rv32imac_zicsr_zifencei_zba_zbb_zbs_zbkb -mabi=ilp32
+sparkfun_iotredboard_rp2350.menu.arch.riscv.build.uf2family=--family rp2350-riscv --abs-block
+sparkfun_iotredboard_rp2350.menu.arch.riscv.build.mcu=rv32imac
+sparkfun_iotredboard_rp2350.menu.freq.150=150 MHz
+sparkfun_iotredboard_rp2350.menu.freq.150.build.f_cpu=150000000L
+sparkfun_iotredboard_rp2350.menu.freq.50=50 MHz
+sparkfun_iotredboard_rp2350.menu.freq.50.build.f_cpu=50000000L
+sparkfun_iotredboard_rp2350.menu.freq.100=100 MHz
+sparkfun_iotredboard_rp2350.menu.freq.100.build.f_cpu=100000000L
+sparkfun_iotredboard_rp2350.menu.freq.120=120 MHz
+sparkfun_iotredboard_rp2350.menu.freq.120.build.f_cpu=120000000L
+sparkfun_iotredboard_rp2350.menu.freq.125=125 MHz
+sparkfun_iotredboard_rp2350.menu.freq.125.build.f_cpu=125000000L
+sparkfun_iotredboard_rp2350.menu.freq.128=128 MHz
+sparkfun_iotredboard_rp2350.menu.freq.128.build.f_cpu=128000000L
+sparkfun_iotredboard_rp2350.menu.freq.133=133 MHz
+sparkfun_iotredboard_rp2350.menu.freq.133.build.f_cpu=133000000L
+sparkfun_iotredboard_rp2350.menu.freq.175=175 MHz (Overclock)
+sparkfun_iotredboard_rp2350.menu.freq.175.build.f_cpu=175000000L
+sparkfun_iotredboard_rp2350.menu.freq.200=200 MHz (Overclock)
+sparkfun_iotredboard_rp2350.menu.freq.200.build.f_cpu=200000000L
+sparkfun_iotredboard_rp2350.menu.freq.225=225 MHz (Overclock)
+sparkfun_iotredboard_rp2350.menu.freq.225.build.f_cpu=225000000L
+sparkfun_iotredboard_rp2350.menu.freq.240=240 MHz (Overclock)
+sparkfun_iotredboard_rp2350.menu.freq.240.build.f_cpu=240000000L
+sparkfun_iotredboard_rp2350.menu.freq.250=250 MHz (Overclock)
+sparkfun_iotredboard_rp2350.menu.freq.250.build.f_cpu=250000000L
+sparkfun_iotredboard_rp2350.menu.freq.275=275 MHz (Overclock)
+sparkfun_iotredboard_rp2350.menu.freq.275.build.f_cpu=275000000L
+sparkfun_iotredboard_rp2350.menu.freq.300=300 MHz (Overclock)
+sparkfun_iotredboard_rp2350.menu.freq.300.build.f_cpu=300000000L
+sparkfun_iotredboard_rp2350.menu.opt.Small=Small (-Os) (standard)
+sparkfun_iotredboard_rp2350.menu.opt.Small.build.flags.optimize=-Os
+sparkfun_iotredboard_rp2350.menu.opt.Optimize=Optimize (-O)
+sparkfun_iotredboard_rp2350.menu.opt.Optimize.build.flags.optimize=-O
+sparkfun_iotredboard_rp2350.menu.opt.Optimize2=Optimize More (-O2)
+sparkfun_iotredboard_rp2350.menu.opt.Optimize2.build.flags.optimize=-O2
+sparkfun_iotredboard_rp2350.menu.opt.Optimize3=Optimize Even More (-O3)
+sparkfun_iotredboard_rp2350.menu.opt.Optimize3.build.flags.optimize=-O3
+sparkfun_iotredboard_rp2350.menu.opt.Fast=Fast (-Ofast) (maybe slower)
+sparkfun_iotredboard_rp2350.menu.opt.Fast.build.flags.optimize=-Ofast
+sparkfun_iotredboard_rp2350.menu.opt.Debug=Debug (-Og)
+sparkfun_iotredboard_rp2350.menu.opt.Debug.build.flags.optimize=-Og
+sparkfun_iotredboard_rp2350.menu.opt.Disabled=Disabled (-O0)
+sparkfun_iotredboard_rp2350.menu.opt.Disabled.build.flags.optimize=-O0
+sparkfun_iotredboard_rp2350.menu.profile.Disabled=Disabled
+sparkfun_iotredboard_rp2350.menu.profile.Disabled.build.flags.profile=
+sparkfun_iotredboard_rp2350.menu.profile.Enabled=Enabled
+sparkfun_iotredboard_rp2350.menu.profile.Enabled.build.flags.profile=-pg -D__PROFILE
+sparkfun_iotredboard_rp2350.menu.rtti.Disabled=Disabled
+sparkfun_iotredboard_rp2350.menu.rtti.Disabled.build.flags.rtti=-fno-rtti
+sparkfun_iotredboard_rp2350.menu.rtti.Enabled=Enabled
+sparkfun_iotredboard_rp2350.menu.rtti.Enabled.build.flags.rtti=
+sparkfun_iotredboard_rp2350.menu.stackprotect.Disabled=Disabled
+sparkfun_iotredboard_rp2350.menu.stackprotect.Disabled.build.flags.stackprotect=
+sparkfun_iotredboard_rp2350.menu.stackprotect.Enabled=Enabled
+sparkfun_iotredboard_rp2350.menu.stackprotect.Enabled.build.flags.stackprotect=-fstack-protector
+sparkfun_iotredboard_rp2350.menu.exceptions.Disabled=Disabled
+sparkfun_iotredboard_rp2350.menu.exceptions.Disabled.build.flags.exceptions=-fno-exceptions
+sparkfun_iotredboard_rp2350.menu.exceptions.Disabled.build.flags.libstdcpp=-lstdc++
+sparkfun_iotredboard_rp2350.menu.exceptions.Enabled=Enabled
+sparkfun_iotredboard_rp2350.menu.exceptions.Enabled.build.flags.exceptions=-fexceptions
+sparkfun_iotredboard_rp2350.menu.exceptions.Enabled.build.flags.libstdcpp=-lstdc++-exc
+sparkfun_iotredboard_rp2350.menu.dbgport.Disabled=Disabled
+sparkfun_iotredboard_rp2350.menu.dbgport.Disabled.build.debug_port=
+sparkfun_iotredboard_rp2350.menu.dbgport.Serial=Serial
+sparkfun_iotredboard_rp2350.menu.dbgport.Serial.build.debug_port=-DDEBUG_RP2040_PORT=Serial
+sparkfun_iotredboard_rp2350.menu.dbgport.Serial1=Serial1
+sparkfun_iotredboard_rp2350.menu.dbgport.Serial1.build.debug_port=-DDEBUG_RP2040_PORT=Serial1
+sparkfun_iotredboard_rp2350.menu.dbgport.Serial2=Serial2
+sparkfun_iotredboard_rp2350.menu.dbgport.Serial2.build.debug_port=-DDEBUG_RP2040_PORT=Serial2
+sparkfun_iotredboard_rp2350.menu.dbgport.SerialSemi=SerialSemi
+sparkfun_iotredboard_rp2350.menu.dbgport.SerialSemi.build.debug_port=-DDEBUG_RP2040_PORT=SerialSemi
+sparkfun_iotredboard_rp2350.menu.dbglvl.None=None
+sparkfun_iotredboard_rp2350.menu.dbglvl.None.build.debug_level=
+sparkfun_iotredboard_rp2350.menu.dbglvl.Core=Core
+sparkfun_iotredboard_rp2350.menu.dbglvl.Core.build.debug_level=-DDEBUG_RP2040_CORE
+sparkfun_iotredboard_rp2350.menu.dbglvl.SPI=SPI
+sparkfun_iotredboard_rp2350.menu.dbglvl.SPI.build.debug_level=-DDEBUG_RP2040_SPI
+sparkfun_iotredboard_rp2350.menu.dbglvl.Wire=Wire
+sparkfun_iotredboard_rp2350.menu.dbglvl.Wire.build.debug_level=-DDEBUG_RP2040_WIRE
+sparkfun_iotredboard_rp2350.menu.dbglvl.Bluetooth=Bluetooth
+sparkfun_iotredboard_rp2350.menu.dbglvl.Bluetooth.build.debug_level=-DDEBUG_RP2040_BLUETOOTH
+sparkfun_iotredboard_rp2350.menu.dbglvl.All=All
+sparkfun_iotredboard_rp2350.menu.dbglvl.All.build.debug_level=-DDEBUG_RP2040_WIRE -DDEBUG_RP2040_SPI -DDEBUG_RP2040_CORE -DDEBUG_RP2040_BLUETOOTH
+sparkfun_iotredboard_rp2350.menu.dbglvl.NDEBUG=NDEBUG
+sparkfun_iotredboard_rp2350.menu.dbglvl.NDEBUG.build.debug_level=-DNDEBUG
+sparkfun_iotredboard_rp2350.menu.usbstack.picosdk=Pico SDK
+sparkfun_iotredboard_rp2350.menu.usbstack.picosdk.build.usbstack_flags=
+sparkfun_iotredboard_rp2350.menu.usbstack.tinyusb=Adafruit TinyUSB
+sparkfun_iotredboard_rp2350.menu.usbstack.tinyusb.build.usbstack_flags=-DUSE_TINYUSB "-I{runtime.platform.path}/libraries/Adafruit_TinyUSB_Arduino/src/arduino"
+sparkfun_iotredboard_rp2350.menu.usbstack.tinyusb_host=Adafruit TinyUSB Host (native)
+sparkfun_iotredboard_rp2350.menu.usbstack.tinyusb_host.build.usbstack_flags=-DUSE_TINYUSB -DUSE_TINYUSB_HOST "-I{runtime.platform.path}/libraries/Adafruit_TinyUSB_Arduino/src/arduino"
+sparkfun_iotredboard_rp2350.menu.usbstack.nousb=No USB
+sparkfun_iotredboard_rp2350.menu.usbstack.nousb.build.usbstack_flags="-DNO_USB -DDISABLE_USB_SERIAL -I{runtime.platform.path}/tools/libpico"
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4only=IPv4 Only
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4only.build.libpicow=libipv4.a
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4only.build.libpicowdefs=-DLWIP_IPV6=0 -DLWIP_IPV4=1
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6=IPv4 + IPv6
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6.build.libpicow=libipv4-ipv6.a
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6.build.libpicowdefs=-DLWIP_IPV6=1 -DLWIP_IPV4=1
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4btcble=IPv4 + Bluetooth
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4btcble.build.libpicow=libipv4-bt.a
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4btcble.build.libpicowdefs=-DLWIP_IPV6=0 -DLWIP_IPV4=1 -DENABLE_CLASSIC=1 -DENABLE_BLE=1
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6btcble=IPv4 + IPv6 + Bluetooth
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6btcble.build.libpicow=libipv4-ipv6-bt.a
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6btcble.build.libpicowdefs=-DLWIP_IPV6=1 -DLWIP_IPV4=1 -DENABLE_CLASSIC=1 -DENABLE_BLE=1
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4onlybig=IPv4 Only - 32K
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4onlybig.build.libpicow=libipv4-big.a
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4onlybig.build.libpicowdefs=-DLWIP_IPV6=0 -DLWIP_IPV4=1 -D__LWIP_MEMMULT=2
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6big=IPv4 + IPv6 - 32K
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6big.build.libpicow=libipv4-ipv6-big.a
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6big.build.libpicowdefs=-DLWIP_IPV6=1 -DLWIP_IPV4=1 -D__LWIP_MEMMULT=2
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4btcblebig=IPv4 + Bluetooth - 32K
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4btcblebig.build.libpicow=libipv4-bt-big.a
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4btcblebig.build.libpicowdefs=-DLWIP_IPV6=0 -DLWIP_IPV4=1 -DENABLE_CLASSIC=1 -DENABLE_BLE=1 -D__LWIP_MEMMULT=2
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6btcblebig=IPv4 + IPv6 + Bluetooth - 32K
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6btcblebig.build.libpicow=libipv4-ipv6-bt-big.a
+sparkfun_iotredboard_rp2350.menu.ipbtstack.ipv4ipv6btcblebig.build.libpicowdefs=-DLWIP_IPV6=1 -DLWIP_IPV4=1 -DENABLE_CLASSIC=1 -DENABLE_BLE=1 -D__LWIP_MEMMULT=2
+sparkfun_iotredboard_rp2350.menu.uploadmethod.default=Default (UF2)
+sparkfun_iotredboard_rp2350.menu.uploadmethod.default.build.ram_length=512k
+sparkfun_iotredboard_rp2350.menu.uploadmethod.default.build.debugscript=picoprobe_cmsis_dap.tcl
+sparkfun_iotredboard_rp2350.menu.uploadmethod.default.upload.maximum_data_size=524288
+sparkfun_iotredboard_rp2350.menu.uploadmethod.default.upload.tool=uf2conv
+sparkfun_iotredboard_rp2350.menu.uploadmethod.default.upload.tool.default=uf2conv
+sparkfun_iotredboard_rp2350.menu.uploadmethod.default.upload.tool.network=uf2conv-network
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picotool=Picotool
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picotool.build.ram_length=512k
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picotool.build.debugscript=picoprobe.tcl
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picotool.build.picodebugflags=-DENABLE_PICOTOOL_USB
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picotool.upload.maximum_data_size=524288
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picotool.upload.tool=picotool
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picotool.upload.tool.default=picotool
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picoprobe_cmsis_dap=Picoprobe/Debugprobe (CMSIS-DAP)
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picoprobe_cmsis_dap.build.ram_length=512k
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picoprobe_cmsis_dap.build.debugscript=picoprobe_cmsis_dap.tcl
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picoprobe_cmsis_dap.upload.maximum_data_size=524288
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picoprobe_cmsis_dap.upload.tool=picoprobe_cmsis_dap
+sparkfun_iotredboard_rp2350.menu.uploadmethod.picoprobe_cmsis_dap.upload.tool.default=picoprobe_cmsis_dap
+
 # -----------------------------------
 # SparkFun MicroMod RP2040
 # -----------------------------------
diff --git a/package/package_pico_index.template.json b/package/package_pico_index.template.json
index edcf5a963..4d7dfd43b 100644
--- a/package/package_pico_index.template.json
+++ b/package/package_pico_index.template.json
@@ -293,6 +293,9 @@
                   {
                      "name": "Solder Party RP2350 Stamp XL"
                   },
+                  {
+                     "name": "SparkFun IoT RedBoard RP2350"
+                  },
                   {
                      "name": "SparkFun MicroMod RP2040"
                   },
diff --git a/tools/json/sparkfun_iotredboard_rp2350.json b/tools/json/sparkfun_iotredboard_rp2350.json
new file mode 100644
index 000000000..47ef59e0e
--- /dev/null
+++ b/tools/json/sparkfun_iotredboard_rp2350.json
@@ -0,0 +1,56 @@
+{
+    "build": {
+        "arduino": {
+            "earlephilhower": {
+                "boot2_source": "none.S",
+                "usb_vid": "0x1B4F",
+                "usb_pid": "0x0047"
+            }
+        },
+        "core": "earlephilhower",
+        "cpu": "cortex-m33",
+        "extra_flags": "-DARDUINO_SPARKFUN_IOTREDBOARD_RP2350 -DARDUINO_ARCH_RP2040 -DUSBD_MAX_POWER_MA=250  -DPICO_CYW43_SUPPORTED=1 -DCYW43_PIN_WL_DYNAMIC=1",
+        "f_cpu": "150000000L",
+        "hwids": [
+            [
+                "0x2E8A",
+                "0x00C0"
+            ],
+            [
+                "0x1B4F",
+                "0x0047"
+            ]
+        ],
+        "mcu": "rp2350",
+        "variant": "sparkfun_iotredboard_rp2350"
+    },
+    "debug": {
+        "jlink_device": "RP2350_0",
+        "openocd_target": "rp2350.cfg",
+        "svd_path": "rp2350.svd"
+    },
+    "frameworks": [
+        "arduino"
+    ],
+    "name": "IoT RedBoard RP2350",
+    "upload": {
+        "maximum_ram_size": 524288,
+        "maximum_size": 16777216,
+        "require_upload_port": true,
+        "native_usb": true,
+        "use_1200bps_touch": true,
+        "wait_for_upload_port": false,
+        "protocol": "picotool",
+        "protocols": [
+            "blackmagic",
+            "cmsis-dap",
+            "jlink",
+            "raspberrypi-swd",
+            "picotool",
+            "picoprobe"
+        ],
+        "psram_length": 8388608
+    },
+    "url": "https://www.sparkfun.com/sparkfun-iot-redboard-rp2350.html",
+    "vendor": "SparkFun"
+}
\ No newline at end of file
diff --git a/tools/makeboards.py b/tools/makeboards.py
index 088938c24..64a185428 100755
--- a/tools/makeboards.py
+++ b/tools/makeboards.py
@@ -650,6 +650,7 @@ def MakeBoardJSON(name, chip, vendor_name, product_name, vid, pid, pwr, boarddef
 MakeBoard("solderparty_rp2350_stamp_xl", "rp2350", "Solder Party", "RP2350 Stamp XL", "0x1209", "0xa184", 500, "SOLDERPARTY_RP2350_STAMP_XL", 16, 0, "none", None, "https://www.solder.party/docs/rp2350-stamp-xl/")
 
 # SparkFun
+MakeBoard("sparkfun_iotredboard_rp2350", "rp2350", "SparkFun", "IoT RedBoard RP2350", "0x1b4f", "0x0047", 250, "SPARKFUN_IOTREDBOARD_RP2350", 16, 8, "none", ["PICO_CYW43_SUPPORTED=1", "CYW43_PIN_WL_DYNAMIC=1"], "https://www.sparkfun.com/sparkfun-iot-redboard-rp2350.html")
 MakeBoard("sparkfun_micromodrp2040", "rp2040", "SparkFun", "MicroMod RP2040", "0x1b4f", "0x0026", 250, "SPARKFUN_MICROMOD_RP2040", 16, 0, "boot2_w25q080_2_padded_checksum")
 MakeBoard("sparkfun_promicrorp2040", "rp2040", "SparkFun", "ProMicro RP2040", "0x1b4f", "0x0026", 250, "SPARKFUN_PROMICRO_RP2040", 16, 0, "boot2_generic_03h_4_padded_checksum")
 MakeBoard("sparkfun_promicrorp2350", "rp2350", "SparkFun", "ProMicro RP2350", "0x1b4f", "0x0026", 250, "SPARKFUN_PROMICRO_RP2350", 16, 8, "none")
diff --git a/variants/sparkfun_iotredboard_rp2350/digital.cpp b/variants/sparkfun_iotredboard_rp2350/digital.cpp
new file mode 100644
index 000000000..2dc7a878e
--- /dev/null
+++ b/variants/sparkfun_iotredboard_rp2350/digital.cpp
@@ -0,0 +1,33 @@
+/*
+    pinMode and digitalRead/Write for the Raspberry Pi Pico W RP2040
+    Copyright (c) 2022 Earle F. Philhower, III <earlephilhower@yahoo.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "Arduino.h"
+#include <cyw43_wrappers.h>
+
+extern "C" void pinMode(pin_size_t pin, PinMode mode) {
+    cyw43_pinMode(pin, mode);
+}
+
+extern "C" void digitalWrite(pin_size_t pin, PinStatus val) {
+    cyw43_digitalWrite(pin, val);
+}
+
+extern "C" PinStatus digitalRead(pin_size_t pin) {
+    return cyw43_digitalRead(pin);
+}
diff --git a/variants/sparkfun_iotredboard_rp2350/init.cpp b/variants/sparkfun_iotredboard_rp2350/init.cpp
new file mode 100644
index 000000000..d4aa78e81
--- /dev/null
+++ b/variants/sparkfun_iotredboard_rp2350/init.cpp
@@ -0,0 +1,28 @@
+/*
+    Initialize the Pico W WiFi driver
+
+    Copyright (c) 2022 Earle F. Philhower, III <earlephilhower@yahoo.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <cyw43_wrappers.h>
+#include "pico/cyw43_driver.h"
+
+extern "C" void initVariant() {
+    static uint cyw43_pin_array[CYW43_PIN_INDEX_WL_COUNT] = {24, 38, 38, 38, 37, 36};
+    cyw43_set_pins_wl(cyw43_pin_array);
+    init_cyw43_wifi();
+}
diff --git a/variants/sparkfun_iotredboard_rp2350/pins_arduino.h b/variants/sparkfun_iotredboard_rp2350/pins_arduino.h
new file mode 100644
index 000000000..1d549a375
--- /dev/null
+++ b/variants/sparkfun_iotredboard_rp2350/pins_arduino.h
@@ -0,0 +1,169 @@
+#pragma once
+
+#include <stdint.h>
+#include <cyw43_wrappers.h>
+
+#define PICO_RP2350B 1
+#define PICO_RP2350A 0
+
+#define PINS_COUNT          (48u)
+#define NUM_DIGITAL_PINS    (48u)
+#define NUM_ANALOG_INPUTS   (7u)
+#define NUM_ANALOG_OUTPUTS  (0u)
+#define ADC_RESOLUTION      (12u)
+
+// LEDs
+#define PIN_LED        (25u)
+#define LED_BUILTIN    PIN_LED
+
+#define PIN_WL_LED     (64u)
+
+#define PIN_NEOPIXEL   (3u)
+#define NUM_NEOPIXEL   (1u)
+
+// Serial
+#define PIN_SERIAL1_TX (0u)
+#define PIN_SERIAL1_RX (1u)
+
+#define PIN_SERIAL2_TX (40u)
+#define PIN_SERIAL2_RX (41u)
+
+// External SPI
+#define PIN_SPI0_MISO  (20u)
+#define PIN_SPI0_MOSI  (23u)
+#define PIN_SPI0_SCK   (22u)
+#define PIN_SPI0_SS    (21u) // CS pin for External SPI.
+
+#define PIN_SPI0_POCI  PIN_SPI0_MISO
+#define PIN_SPI0_PICO  PIN_SPI0_MOSI
+#define PIN_SPI0_CS    PIN_SPI0_SS
+
+// SD Card SPI
+#define PIN_SPI1_MISO  (8u)
+#define PIN_SPI1_MOSI  (11u)
+#define PIN_SPI1_SCK   (10u)
+#define PIN_SPI1_SS    (9u) // CS pin for SD card.
+
+#define PIN_SPI1_POCI  PIN_SPI1_MISO
+#define PIN_SPI1_PICO  PIN_SPI1_MOSI
+#define PIN_SPI1_CS    PIN_SPI1_SS
+
+// Wire
+#define PIN_WIRE0_SDA  (4u)
+#define PIN_WIRE0_SCL  (5u)
+
+#define PIN_WIRE1_SDA  (30u)
+#define PIN_WIRE1_SCL  (31u)
+
+#define SERIAL_HOWMANY (3u)
+#define SPI_HOWMANY    (2u)
+#define WIRE_HOWMANY   (2u)
+#define WIRE_INTERFACES_COUNT (WIRE_HOWMANY)
+
+// PSRAM
+#define RP2350_PSRAM_CS         (47u)
+#define RP2350_PSRAM_MAX_SCK_HZ (109*1000*1000)
+
+/* Pin mappings for marked pins on the board */
+// UART0
+static const uint8_t D0 = (0u);
+static const uint8_t D1 = (1u);
+
+// I2C0
+static const uint8_t D4 = (4u);
+static const uint8_t D5 = (5u);
+
+// SD Card/SPI1
+static const uint8_t D8 = (8u);
+static const uint8_t D9 = (9u);
+static const uint8_t D10 = (10u);
+static const uint8_t D11 = (11u);
+
+// HSTX GPIO
+static const uint8_t D12 = (12u);
+static const uint8_t D13 = (13u);
+static const uint8_t D14 = (14u);
+static const uint8_t D15 = (15u);
+static const uint8_t D16 = (16u);
+static const uint8_t D17 = (17u);
+static const uint8_t D18 = (18u);
+static const uint8_t D19 = (19u);
+
+// SPI0
+static const uint8_t D20 = (20u);
+static const uint8_t D21 = (21u);
+static const uint8_t D22 = (22u);
+static const uint8_t D23 = (23u);
+
+// External GPIO
+static const uint8_t D28 = (28u);
+static const uint8_t D29 = (29u);
+static const uint8_t D30 = (30u);
+static const uint8_t D31 = (31u);
+static const uint8_t D32 = (32u);
+static const uint8_t D33 = (33u);
+static const uint8_t D34 = (34u);
+static const uint8_t D35 = (35u);
+
+// Analog Inputs are also digital capable.
+static const uint8_t D40 = (40u);
+static const uint8_t D41 = (41u);
+static const uint8_t D42 = (42u);
+static const uint8_t D43 = (43u);
+static const uint8_t D44 = (44u);
+static const uint8_t D45 = (45u);
+
+static const uint8_t A0 = (40u);
+static const uint8_t A1 = (41u);
+static const uint8_t A2 = (42u);
+static const uint8_t A3 = (43u);
+static const uint8_t A4 = (44u);
+static const uint8_t A5 = (45u);
+
+// SD Card detect - Active Low
+static const uint8_t SD_DET_N = (2u);
+
+// RGB LED data pin
+static const uint8_t RGB_LED = (3u);
+
+// Low battery alert - Active Low
+static const uint8_t BATT_ALRT_N = (6u);
+
+// Power enable for peripherals - qwiic, sd, rgb. Default HIGH via HW jumper.
+static const uint8_t PERIPHERAL_POWER_ENABLE = (7u);
+
+// WiFi power GPIO
+static const uint8_t WRL_ON = (24u);
+
+// aka STAT LED
+static const uint8_t D25 = (25u);
+
+// Power status inputs
+static const uint8_t POWER_SRC_5V = (26u);
+static const uint8_t BATT_POWER = (27u);
+
+// User button
+static const uint8_t USER_SW = (39u);
+
+// Input voltage measurement
+static const uint8_t VIN_MEAS = (46u);
+
+static const uint8_t SS = PIN_SPI0_SS;
+static const uint8_t CS = PIN_SPI0_CS;
+
+static const uint8_t MOSI = PIN_SPI0_MOSI;
+static const uint8_t PICO = PIN_SPI0_PICO;
+
+static const uint8_t MISO = PIN_SPI0_MISO;
+static const uint8_t POCI = PIN_SPI0_POCI;
+
+static const uint8_t SCK = PIN_SPI0_SCK;
+
+static const uint8_t SDA = PIN_WIRE0_SDA;
+static const uint8_t SCL = PIN_WIRE0_SCL;
+
+static const uint8_t SDA1 = PIN_WIRE1_SDA;
+static const uint8_t SCL1 = PIN_WIRE1_SCL;
+
+static const uint8_t RX = PIN_SERIAL1_RX;
+static const uint8_t TX = PIN_SERIAL1_TX;