ESP32-S3 WiFi BT Single Relay Module DC5-60V USB+UART Arduino
ESP32-S3 WiFi BT Single Relay Module DC5-60V USB+UART Arduino
ESP32-S3 WiFi & Bluetooth Single Relay Module — Powerful, Flexible & Arduino-Ready
Take your embedded development projects to the next level with this ESP32-S3 WiFi & Bluetooth Single Relay Module. Designed for engineers, makers, and hobbyists alike, this versatile module combines the power of the ESP32-S3 microcontroller with a robust single relay, wide-voltage input, and convenient programming interfaces — all in one compact board.
Key Features
- ESP32-S3 Chipset: Dual-core Xtensa LX7 processor with integrated 2.4 GHz WiFi and Bluetooth 5.0 (BLE) for seamless wireless connectivity.
- Wide Input Voltage Range: Accepts DC 5V–60V power supply, making it suitable for a broad range of industrial and hobbyist applications.
- Dual Programming Methods: Supports both USB and UART burning/flashing for maximum flexibility in your development workflow.
- 2×20 Pin Header (Reserved): Generously exposes GPIO and peripheral pins via a 2×20 pin interface for easy expansion, sensor integration, and custom hardware design.
- Single Relay Output: Onboard relay allows you to control high-voltage loads, motors, lights, or other AC/DC devices directly from your ESP32-S3 firmware.
- Arduino IDE Compatible: Fully supported by the Arduino ecosystem — install the ESP32 board package and start coding in minutes.
- Secondary Development Ready: Open hardware design philosophy means you can extend, customize, and prototype rapidly without restrictions.
Technical Specifications
| Parameter | Value |
|---|---|
| Microcontroller | ESP32-S3 |
| Wireless | 2.4 GHz WiFi + Bluetooth 5.0 (BLE) |
| Power Supply | DC 5V – 60V |
| Programming Interface | USB + UART |
| Reserved GPIO Header | 2×20 Pin |
| Relay Channels | 1 (Single) |
| IDE Support | Arduino IDE, ESP-IDF |
| Country of Origin | Made in Mainland China |
Who Is This For?
Whether you're building a smart home automation system, an IoT industrial controller, a remote-switch prototype, or any embedded project requiring wireless communication and relay control, this module delivers the performance and flexibility you need. Its wide voltage range and open pin layout make it an excellent foundation for both rapid prototyping and production-ready designs.
What's in the Box?
- 1× ESP32-S3 WiFi & BT Single Relay Module
Note: Slight color variations may occur due to lighting and screen differences. Please allow 1mm–1cm measurement tolerance due to manual measurement methods.
For more information on safe electrical development practices and standards, visit the U.S. Consumer Product Safety Commission (CPSC).
Frequently Asked Questions
Q: What programming environments are compatible with the ESP32-S3 Single Relay Module?
A: This ESP32-S3 relay module is fully compatible with the Arduino IDE (using the ESP32 board package) as well as Espressif's ESP-IDF framework. You can flash firmware via USB or UART, making it flexible for both beginners and experienced embedded developers.
Q: What voltage range does this relay module support?
A: The module accepts a wide DC power input of 5V to 60V, making it suitable for a variety of power sources — from USB-powered benchtop setups to industrial 48V DC systems.
Q: Can I use this module for home automation or IoT projects?
A: Absolutely! The onboard ESP32-S3 chip includes 2.4 GHz WiFi and Bluetooth 5.0, making it ideal for smart home automation, IoT device control, remote switching, and sensor-based automation projects. The single relay lets you directly switch AC or DC loads from your firmware.
Q: What is the 2×20 Pin header used for?
A: The reserved 2×20 Pin header exposes the ESP32-S3's GPIO, communication buses (SPI, I2C, UART), and power pins, allowing you to connect sensors, displays, expansion boards, or custom hardware with ease for secondary development.