fritzenlab
Let me show you how I made a blinking commemorative keychain, made of PCB and a simple oscillator circuit (3 components)
Learn how to program a board based on ESP32-S2 Franzininho with Arduino IDE, doing both the blink LED and Wi-Fi server examples
analog input arduino arduino compatible arm cortex m0+ bicycle speedometer dht11 digital input digital output diy electronics esp12 esp32 esp32 franzininho esp32-c6 esp32-s2 franzininho fritzenlab humidity sensor lcd display led display micropython pi pico 2 pwm raspberry pi raspberry pi pico raspberry pi pico 2 speedometer stm32 temperature sensor wifi