Ldr · Built by Nikhil

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 up a photoresistor (LDR) to read how bright the room is, and use a threshold to decide if it’s dark enough to turn on a light.

Day 10: Project — Smart Night Light

11 April 2026·1445 words·7 mins

Arduino Arduino Beginner Kids Project Ldr Led Button Night-Light

Day 10 of Learn Coding with Arduino — build a smart night light that turns on automatically when it gets dark, with a manual override button.

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 — display live potentiometer and LDR readings on the 16x2 LCD without flicker. Arduino gets a dashboard.