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That old TV remote in your drawer is actually a free wireless keypad. In this project you’ll connect a VS1838B infrared receiver to an Arduino and use remote buttons to …
Arduino IR Remote-Controlled RGB LED (VS1838B Receiver Tutorial) Read More
Street lights that switch themselves on at dusk use the same component you’ll wire today: an LDR (light dependent resistor). Its resistance drops as light increases, and combined with a …
Arduino LDR Automatic Night Light (Dark-Activated LED) — Beginner Tutorial Read More
Walk into a room and the light turns on by itself, this classic automation trick needs only an Arduino, an HC-SR501 PIR motion sensor and a relay module. The PIR …
Arduino PIR Motion-Activated Security Light with Relay Module Read More
Overwatering kills more houseplants than neglect, and guessing is unreliable. This project turns an Arduino, a soil moisture sensor and an SG90 servo into a charming analog-style gauge: the servo …
Arduino Soil Moisture Monitor with Servo Gauge (Plant Care Project) Read More
The HC-SR04 ultrasonic sensor measures distance by bouncing sound waves off objects, exactly like a bat. In this project you’ll combine it with a piezo buzzer and an LED to …
Arduino HC-SR04 Ultrasonic Distance Meter with Buzzer Alarm (Parking Sensor Project) Read More
Reading the temperature and humidity of a room is one of the most satisfying first Arduino projects you can build, and it’s also the foundation of bigger systems such as …
Arduino DHT11 Temperature and Humidity Monitor with I2C LCD (Complete Beginner Guide) Read More