SPECIFICATIONS

Features:

* This DC 5-80V powered for ESP8266 relay module is suitable for ESP8266 development and learning, smart home wireless control, and other applications.

* Equipped with the ESP-12F development board, it offers stable performance and low power consumption, supports multiple programming methods such as for Arduino and Lua, and allows for flexible customization of control logic, meeting the DIY development and project debugging needs of electronics enthusiasts, makers, and engineers.

* Its wide DC 5-80V input design provides excellent compatibility, allowing direct connection to various DC power supplies without additional step-down or step-up for voltage adjustments. Suitable for automotive, equipment, smart , and other scenarios with diverse voltage requirements.

* Integrated relay control functionality provides sensitive switching response and strong contact load capacity, directly driving various external devices such as lights, motors, and solenoid valves for remote automated control, simplifying equipment control processes.

* The module is compact and has a clear interface and simple wiring. It includes a power indicator and relay operation indicator for easy debugging and troubleshooting, making it suitable for beginners and professional project deployments.

* With robust construction and strong anti-interference capabilities, this module is adaptable to various indoor and outdoor environments and is widely used in smart home control, industrial automation, remote monitoring, DIY electronics projects, and other fields. It is a multi-functional intelligent control module.

Specifications:

Part Name: Relay Module

Material: PCB

Color: As shown in the picture

Size: As shown in the picture

Interface Description；

1. VCC, GND: DC8-80V power supply

2. USB: DC5V USB power supply

Note: You can choose of the three power supply methods: DC8-80V/DC5V USB/pin 5V

3. 6x6mm Button: for ESP8266 reset button

4. UART Program Download Port: Connect the GND, for RX, TX, and 5V pins of the for ESP8266 to an external for TTL serial port module.

During download, GND, TX, for RX, 5V, and IO0 need to be connected to GND. After downloading, disconnect IO0 from other pins.

5. GPIO Pin Header Port

6. Relay Output

Normally closed terminal, shorted to COM before the relay closes, and floating after closing;

COM: Common terminal;

NO: Normally open terminal, floating before the relay closes, and shorted to COM after closing. Short circuit.

7. Power indicator

8. Programmable indicator: Controlled by GPIO16;

9. Relay indicator: Lights up when closed

Package contents:

1 x Relay module

Note：

1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

2.Please allow slight manual measurement deviation for the data.