ESP32-C2 1-Channel Relay Module DC5-60V UART Arduino Dev Board
ESP32-C2 1-Channel Relay Module DC5-60V UART Arduino Dev Board
ESP32-C2 1-Channel Programmable Relay Module — DC5-60V Development Board
Take your IoT and automation projects to the next level with this ESP32-C2 1-Channel Relay Module. Designed as a modern, capable replacement for the ESP-12F, this development board features a wide DC5–60V input range, UART flash programming, and a convenient 2×12-pin reserved interface — giving makers, engineers, and hobbyists everything they need in one compact package.
Compatible with the Arduino development environment, this relay module is ready to integrate into smart home systems, remote switching circuits, automation setups, and custom electronics projects. Program it over UART, mount it easily using the 3mm positioning holes, and start controlling loads right away.
Key Features
- Wide Power Input: DC 5V–60V supply voltage for versatile use across different power systems
- ESP32-C2 Chipset: Powerful, low-power Wi-Fi microcontroller — a step up from the ESP-12F
- UART Flash Programming: Easy firmware upload and updates via UART interface
- 2×12-Pin Reserved Interface: Flexible I/O expansion for advanced circuit designs
- Arduino Compatible: Develop and deploy with the familiar Arduino IDE ecosystem
- Compact Form Factor: 59.2 × 48.6 mm board with 3 mm mounting holes for secure installation
- 1-Channel Relay: Single-channel switching for clean, focused control applications
Specifications
| Power Supply | DC 5V – 60V |
| Programming Method | UART |
| Reserved Interface | 2×12-Pin |
| Development Environment | Arduino |
| Board Size | 59.2 × 48.6 mm |
| Positioning Hole Diameter | 3 mm |
| Relay Channels | 1 Channel |
What's in the Box
- 1× ESP32-C2 1-Channel Relay Module
- 2× 6-Pin Dual-Row Pin Headers
- 1× 5-Pin Header
- 1× Jumper Cap
Notes
- Due to lighting and screen differences, item color may vary slightly from product images.
- Please allow 1 mm–1 cm variance due to manual measurement.
Made in Mainland China.
For guidance on safe electronics handling and wiring best practices, refer to OSHA's Electrical Safety guidelines.
Frequently Asked Questions
Q: Can this ESP32-C2 relay module replace an ESP-12F board in my existing project?
A: Yes — this relay module is specifically designed as a drop-in replacement for ESP-12F-based setups. The ESP32-C2 chipset offers improved Wi-Fi performance and lower power consumption, making it an excellent upgrade for existing automation and IoT projects.
Q: What programming tools do I need to flash this relay module?
A: The board uses UART flash programming, which means you can use any standard USB-to-UART adapter (such as a CP2102 or CH340 module) along with the Arduino IDE or ESP-IDF toolchain. The 2×12-pin interface also provides flexible access to GPIO and other peripherals.
Q: What types of loads can I control with this 1-channel relay module?
A: This module supports a wide DC input range of 5V to 60V, making it suitable for switching a variety of DC loads in automation circuits, smart home devices, remote control systems, and custom electronics prototypes. Always ensure your load ratings do not exceed the relay's specified limits.
Q: Is this board compatible with the Arduino IDE?
A: Absolutely. The ESP32-C2 is supported by the Arduino development environment via the ESP32 Arduino core, allowing you to write, compile, and upload sketches just as you would with other Arduino-compatible boards.