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ESP32 S3 Relay control V2
ESP32 S3 Relay control V2
This project aims to remotely control up to 4 relays, either using WIFI or Bluetooth. The SOC ESP32 S3 is used as the main core of the project, it provides wifi and Bluetooth to the project, as well as great processing power thanks to the two cores it has.
This project can be powered with a 5-volt DC both through the USB C connector as well as through the external power connector. The relays also work at 5 volts DC, which means no extra power supply is required to run them.
Each relay has an LED to indicate if the relay is activated or deactivated. The board also has an RGB LED, which is controlled with a single GPIO of the microcontroller because this RGB is directional.
As inputs, there are 4 user buttons, which can be used to control the flow of the program.
Demo video:



ESP32 S3 Relay control V2
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
- Comments(0)
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Mark Seelye
Sep 15,2025
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Engineer
Sep 10,2025
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Juan Antonio Ruiz
Aug 25,2025
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hakan dinçeler
Jun 10,2025
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Choon Beng Chua
May 17,2025
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Engineer
May 17,2025
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Wandy Amaury
May 17,2025
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