Using Sensor Data to Activate a 5V Relay on the Arduino - Circuit Basics
![Using Sensor Data to Activate a 5V Relay on the Arduino - Circuit Basics](https://www.circuitbasics.com/wp-content/uploads/2020/06/Using-Sensor-Data-to-Control-a-5V-Relay-on-the-Arduino-Relay-Controlled-by-Photoresistor-Wiring-Diagram.png)
Learn how to use an Arduino and a 5V relay to control a 120-240V lamp with the light detected by a a photoresistor.
![](https://preview.redd.it/rbs5otwqn2t31.png?width=764&format=png&auto=webp&s=d826a7883efd4dcb2480ac31e1ed1d8cbfd668a0)
5V relay module malfunctions when connected with water level sensor - ATtiny85 : r/arduino
![](https://europe1.discourse-cdn.com/arduino/original/4X/3/d/5/3d5982cdf858b80d1d479cb22719f956c4cf60ac.png)
Trouble running relay module with esp32 - Microcontrollers - Arduino Forum
![](https://i.ytimg.com/vi/BVMeVGET_Ak/sddefault.jpg)
Controlling a Solenoid with Raspberry Pi and a Relay - Tutorial Australia
![](https://arduinogetstarted.com/images/tutorial/how-to-connect-device-to-relay.jpg)
Arduino - Relay Arduino Tutorial
![](https://arduinopoint.com/wp-content/uploads/Clap-switch-with-LED-and-Relay-using-arduino-1200x900.jpg)
Arduino Clap Switch: DIY Sound-Activated LED & Relay Project
![](https://arduinogetstarted.com/images/cover/arduino-relay.jpg)
Arduino - Relay Arduino Tutorial
![](https://newbiely.com/images/tutorial/arduino-nano-2-channel-relay-module-external-power-wiring-diagram.jpg)
Arduino Nano - 2-Channel Relay Module
![](https://www.circuitbasics.com/wp-content/uploads/2015/12/5V-Relay-Normally-Open-Terminal.png)
How to Set Up a 5V Relay on the Arduino - Circuit Basics
![](https://techzeero.com/wp-content/uploads/2023/09/circuit-relay-with-arduino-1024x452.webp)
Relay Module with Arduino
![](https://www.robotique.tech/wp-content/uploads/2021/04/Controler-moteur-single-1.png)
Controlling a DC motor with Arduino