Lcd
Day 16: Show Sensor Values on the LCD
Day 16 of Learn Coding with Arduino — show live potentiometer and LDR readings on the 16x2 LCD without any flicker. Your Arduino gets a real dashboard.
Day 18: Project — Mini Weather Station
Day 18 of Learn Coding with Arduino — build a mini weather station showing light level, simulated temperature, and custom sun and moon icons on the LCD.
Day 21: Dual-Mode Control — IR Remote + Sound
Day 21 of Learn Coding with Arduino — combine the IR remote and sound sensor in one sketch with manual and auto modes, and the LCD showing current state.