ESP-07 8-Channel WiFi Relay Module ESP8266 AC/DC Supply
ESP-07 8-Channel WiFi Relay Module ESP8266 AC/DC Supply
ESP-07 8-Channel WiFi Relay Module with ESP8266 & AC/DC Power Supply
Take full control of your home automation, IoT projects, or industrial switching applications with this powerful ESP-07 8-Channel WiFi Relay Module. Built around the reliable ESP8266 ESP-07 WiFi chip and loaded with a generous 4MB Flash memory, this module is engineered for makers, developers, and electronics enthusiasts who demand flexibility and performance.
Key Features
- ESP-07 WiFi Module: Mature, stable, and equipped with a large-capacity 4M Byte Flash for robust wireless connectivity.
- Versatile Power Input: Supports both DC 7–28V and 5V power supply modes — compatible with a wide range of setups.
- 8 On-Board 5V Relays: Each relay outputs switch signals suitable for controlling loads up to AC 250V / DC 30V, making it ideal for switching lights, motors, appliances, and more.
- On-Board RST Reset Button: Easily reset the WiFi module without any additional hardware.
- Arduino & Eclipse IDE Compatible: Fully supports popular development environments including Arduino IDE and Eclipse, with reference programs provided for the Arduino environment — get started quickly with minimal setup.
- Power & Relay Indicator Lights: At-a-glance LED indicators show power status and the active state of each relay channel for easy monitoring and debugging.
Technical Specifications
| WiFi Module | ESP8266 ESP-07 |
| Flash Memory | 4M Byte |
| Power Supply | DC 7–28V / 5V |
| Number of Relay Channels | 8 |
| Relay Operating Voltage | 5V (on-board) |
| Max Load Voltage | AC 250V / DC 30V |
| Development Support | Arduino IDE, Eclipse |
| Indicator Lights | Power indicator + Relay status indicator |
| Country of Origin | Made in Mainland China |
What's in the Box?
- 1× ESP-07 8-Channel WiFi Relay Module OR 1× Shell (see variant selection)
Important Notes
- Due to lighting and display differences, the item's color may appear slightly different from product images.
- Please allow a 1mm–1cm tolerance due to manual measurement.
Learn More
For guidelines on safe electrical practices and product safety standards, visit the U.S. Consumer Product Safety Commission (CPSC). For technical measurement and standards references, see NIST – National Institute of Standards and Technology.
Frequently Asked Questions
Q: What microcontroller is used in this 8-channel WiFi relay module?
A: This module is built around the ESP8266 ESP-07 WiFi chip, which features a 4M Byte Flash. It is a mature and widely supported chip compatible with Arduino IDE and Eclipse development environments, making it an excellent choice for IoT and home automation secondary development projects.
Q: What voltage loads can the 8-channel relay module switch?
A: Each of the 8 on-board 5V relays can control loads operating at up to AC 250V or DC 30V. This makes the module suitable for switching household appliances, lighting circuits, motors, and other standard electrical loads within those limits.
Q: Can I program this WiFi relay module with Arduino IDE?
A: Yes! The ESP-07 ESP8266 module fully supports the Arduino IDE as well as Eclipse. Reference programs for the Arduino development environment are provided, so you can start building and deploying your custom WiFi-controlled relay projects quickly and easily.
Q: What power supply options does this relay module support?
A: The module supports a wide input range: DC 7–28V or 5V, giving you flexibility to power it from a variety of sources including standard 12V adapters, 24V industrial supplies, or 5V USB power banks (with appropriate wiring).