Collection of DC/DC Converters, Battery Chargers, and Power Supplies
TP4056 Power Sharing PCB. Charge battery despite connected load.
OneDialect is an advanced assistive communication system engineered to empower individuals with auditory, vocal, and visual impairments. By seamlessly bridging the gap between speech, text, and tactile signals, the system establishes a reliable bidirectional interaction loop.
Battery Operation for Raspberry Pi Pico / Pico 2
Solar powered anemometer
A simple weather station that periodically wakes and sends data to a Thingsboard server
This repository contains several Libraries for a couple of different chips and components. Five in total. They all combine in a very nice way and are perfect to make a Portable Radio with.
ESP8266 NodeMCU Based Solar Powered WiFi Weather Station - Record Temperature (x2), Humidity, Pressure, Rain, and Voltage
An open-source ESP32-S3-based smartwatch with RTC, I2C display, buzzer, LEDs, and battery monitoring. Designed using KiCad, it features a compact PCB layout, Li-Po battery support, and USB charging
Beehive online monitoring based on the ESP32, SIM800L and others sensors.
Dálková spoušť fotoaparátu "QAPPKA"
Windvane
A Type-C 1-cell lithium-ion battery charging module with UPS support based on the TP4056 chip.
ESP32-C3-mini based posture corrector
An FM radio receiver built using an ESP12E, interfaced with the RDA5807M module. Powered by a Li-Ion battery with a TP4056 charging module, amplified by a PAM8403, and output through a 10-watt speaker. Features station switching via a button.
Schematic and PCB for Li-Po charger with power path, power management inputs, charging state and 3.3V output and I2C fuel gauge
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