Arduino Uno Pin connections Red LED on Pin 4 Yellow LED on Pin 3 Green LED on Pin 2 This setup can be simulated using the Wokwi Simulator.

LEDs: LED Arduino Pin Red LED D3 Yellow LED D4 Green LED D5 (Place a 220Ω resistor between each LED and GND.) Piezo Buzzer (2-pin): Buzzer Pin Arduino Pin Positive D7 Negative GND Explanation: RFID ...

This NeoPixel LED lighting based on WS2811 driver and Arduino digitally produces red, green, and blue (RGB) lights and the combinations.

Rain Drop Sensor acts as a switch when raindrops fall to the sensor, other than that with slight tweaks in the code it can also measure the intensity of the rainfall. We Interfaced the Rain sensor ...

Welcome to our blog post on interfacing the WS2811 (5V) RGB LED strip with Arduino! In this guide, we will walk you through the process of connecting and controlling WS2811 LED strips using an Arduino ...