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Smart RGB lamps cost real money, but the electronics are just three PWM channels and a web page. In this project an ESP32 hosts a page with an HTML color …
ESP32 Web-Controlled RGB Mood Lamp with Color Picker Read More
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
The ESP32 hides a magic trick: ten of its GPIOs have built-in capacitive touch sensing, meaning a bare wire end becomes a touch button with zero extra components. In this …
ESP32 Touch Pin Piano: Play Music with Bare Wires (Capacitive Touch) 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
A real weather station measures temperature, humidity and barometric pressure, and the tiny BME280 does all three on a single I2C bus. In this project the ESP32 reads the BME280 …
ESP32 BME280 Weather Station with OLED Display (Temperature, Humidity, Pressure) 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