Day 19: IR Remote — Control Arduino with a TV Remote 11 April 2026·1494 words·8 mins Arduino Arduino Beginner Kids Ir Remote Wireless Library Day 19 of Learn Coding with Arduino — hook up an IR receiver and use any TV or DVD remote to control LEDs. Your first wireless input.
Day 21: Dual-Mode Control — IR Remote + Sound 11 April 2026·1257 words·6 mins Arduino Arduino Beginner Kids Ir Sound Lcd Modes Integration Day 21 of Learn Coding with Arduino — combine the IR remote and sound sensor into one sketch with manual and auto modes, with the LCD showing the current state.