Sensor

Day 9: Light Sensor — Arduino Learns to See

11 April 2026·1259 words·6 mins

Arduino Arduino Beginner Kids Sensor Ldr Analog Threshold

Day 9 of Learn Coding with Arduino — wire a photoresistor to read how bright the room is, then set a threshold for when it is dark enough for a light.

Day 14: Project — Auto Fan System

11 April 2026·1214 words·6 mins

Arduino Arduino Beginner Kids Project Motor Sensor Auto-Fan

Day 14 of Learn Coding with Arduino — build an automatic fan that runs when the room gets bright or hot, with a buzzer alert. Days 1-13 in one project.

Day 16: Show Sensor Values on the LCD

11 April 2026·1032 words·5 mins

Arduino Arduino Beginner Kids Lcd Sensor Ldr Potentiometer

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 20: Sound Sensor — Clap to Control

11 April 2026·1324 words·7 mins

Arduino Arduino Beginner Kids Sound Sensor Ky-038 Clap

Day 20 of Learn Coding with Arduino — wire up a KY-038 sound sensor, detect a single clap, and toggle an LED with nothing but the sound of your hands.