Arduino Uno R4 WiFi controls Relay via Web
![Arduino Uno R4 WiFi controls Relay via Web](https://arduinogetstarted.com/images/tutorial/arduino-uno-r4-wifi-relay-wiring-diagram.jpg)
Learn how to use Arduino Uno R4 WiFi to control relay via Web, how to turn on/off a relay via web browser, how to program Arduino step by step. The tutorial provides the fundamentals that you can easily and creatively modify to achieve multiple relay control via the web and redesign the web UI.
![](https://ae01.alicdn.com/kf/Sef0d6899db584a28989cd1abccdc53aeW/Arduino-uno-R4-WiFi-100-New-Original-development-board-programming-learning-module-ABX00087.jpg)
Arduino uno R4 WiFi 100%New Original development board programming
![](https://shop.mchobby.be/9689-medium_default/arduino-uno-r4-wifi-ra4m1-arm-cortex-m4-esp32-s3.jpg)
Arduino Uno R4 WiFi (RA4M1 ARM Cortex M4 + ESP32-S3)
![](https://www.technolabcreation.com/wp-content/uploads/2023/09/Screenshot-134.png)
Arduino IoT Cloud: Control Your Appliances with Web, Mobile, IR
![](https://thinkrobotics.com/cdn/shop/files/ABX00087_03.unbox_535x.jpg?v=1700957572)
ARDUINO® UNO R4 WIFI (ABX00087) –
![](https://www.twovolt.com/wp-content/uploads/2023/04/arduino-uno-r4-653x280.jpg)
Arduino UNO R4 , The family is getting bigger
![](https://content.instructables.com/FNV/31IY/LMGBPAD3/FNV31IYLMGBPAD3.png?auto=webp&fit=bounds&frame=1&height=1024&width=1024auto=webp&frame=1&height=150)
Arduino UNO R4 WIFI Web-Server Based Home-Automation System. : 22
![](https://pcbwayfile.s3.us-west-2.amazonaws.com/web/23/08/09/1352377080088t.png)
DIY Home Automation using Arduino UNO R4 - Share Project - PCBWay
![](https://cdn1.botland.store/119777-large_default/arduino-uno-r4-wifi-abx00087.jpg)
Arduino Uno R4 WiFi - ABX00087 Botland - Robotic Shop
![](https://robu.in/wp-content/uploads/2023/12/MicrosoftTeams-image-7.jpg)
Arduino UNO R4 WiFi Beginner Kit
![](https://arduinogetstarted.com/images/tutorial/arduino-uno-r4-wifi-relay-wiring-diagram.jpg)
Arduino Uno R4 WiFi controls Relay via Web