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Electronics Crash Course
LEDs and Lighting Class
Getting Started with Electronics
Very nice! What would the code be if I wanted to reduce lcd wiring to 4 wires with an I2C?
plugduino - Arduino based 120 Volt outlet controller
Wifi Switch board or Smart Plug with Esp8266, Attiny 85 & PIR Sensor with android app
Portable 10W LED Floodlight
Add Simple Bluetooth to Arduino