adding ltc4316 examples with the aht20

Adding Arduino and CircuitPython examples using two AHT20 sensors with one translated to 0x68 with an LTC4316

Author: BlitzCityDIY

LTC4316_Examples/LTC4316_Arduino_Example/LTC4316_Arduino_Example.ino

@@ -0,0 +1,44 @@
+// SPDX-FileCopyrightText: 2023 Carter Nelson for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+// LTC4315 with two AHT20 sensors example
+// Set the LTC4315 switch A5 on and switch A4 off
+// The translated sensor will be on address 0x68
+
+#include <Adafruit_AHTX0.h>
+
+Adafruit_AHTX0 default_aht;
+Adafruit_AHTX0 ltc4316_aht;
+
+void setup() {
+  Serial.begin(115200);
+  while ( !Serial ) delay(10);
+  Serial.println("Adafruit AHT20 with LTC4316 demo!");
+  if (! default_aht.begin(&Wire, 0, 0x38)) {
+    Serial.println("Could not find AHT20 on 0x38? Check wiring.");
+    while (1) delay(10);
+  }
+  if (! ltc4316_aht.begin(&Wire, 0, 0x68)) {
+    Serial.println("Could not find AHT20 attached to LTC4316 on 0x68? Check wiring and switches");
+    while (1) delay(10);
+  }
+  Serial.println("AHT20 sensors found on 0x38 and 0x68");
+}
+
+void loop() {
+  sensors_event_t humidity0, temp0;
+  sensors_event_t humidity1, temp1;
+  default_aht.getEvent(&humidity0, &temp0);// populate temp and humidity objects with fresh data
+  ltc4316_aht.getEvent(&humidity1, &temp1);// populate temp and humidity objects with fresh data
+  Serial.println("AHT20 on 0x38:");
+  Serial.print("Temperature: "); Serial.print(temp0.temperature); Serial.println(" degrees C");
+  Serial.print("Humidity: "); Serial.print(humidity0.relative_humidity); Serial.println("% rH");
+  Serial.println();
+  Serial.println("AHT20 on 0x68:");
+  Serial.print("Temperature: "); Serial.print(temp1.temperature); Serial.println(" degrees C");
+  Serial.print("Humidity: "); Serial.print(humidity1.relative_humidity); Serial.println("% rH");
+  Serial.println();
+
+  delay(500);
+}

LTC4316_Examples/LTC4316_CircuitPython_Example/code.py

@@ -0,0 +1,27 @@
+# SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
+"""
+LTC4315 with two AHT20 sensors example
+Set the LTC4315 switch A5 on and switch A4 off
+The translated sensor will be on address 0x68
+"""
+
+import time
+import board
+import adafruit_ahtx0
+
+# Create sensor object, communicating over the board's default I2C bus
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
+default_sensor = adafruit_ahtx0.AHTx0(i2c, 0x38)
+translated_sensor = adafruit_ahtx0.AHTx0(i2c, 0x68)
+
+while True:
+    print("\nAHT20 at 0x38:")
+    print(f"Temperature: {default_sensor.temperature:0.1f} C")
+    print(f"Humidity: {default_sensor.relative_humidity:0.1f} %")
+    print("\nAHT20 at 0x68:")
+    print(f"Temperature: {translated_sensor.temperature:0.1f} C")
+    print(f"Humidity: {translated_sensor.relative_humidity:0.1f} %")
+    time.sleep(2)