Arduino Camping Light * Camping Light with a single push button switch to control the light output between off, dim, medium, and high brightness * Test Configuration: MCU: Arduino UNO ... the LED type ...

message on the LCD, and turn a green LED on. Afterward ... or even a light bulb (paired with a relay for the Arduino Uno). Try a toggle switch instead, so you won't have to keep your hands ...

Let it hit your red LED and you’ve lost a point ... Inside the cool laser-cut box is an Arduino Uno and a 9V battery, plus a current-limiting resistor and the all-important buzzer.

(Source: Arduino) The UNO R4 WiFi version comes with an Espressif ESP32-S3 module for Wi-Fi and Bluetooth Low Energy connectivity. The bright 12×8 red LED matrix is ideal for creative projects using ...