ESP8266 ESP-01 WiFi Relay Module 5V Smart Switch

The ESP8266 ESP-01 WiFi Relay Module is a compact 5V smart relay board that enables wireless control of electrical devices using the ESP-01 or ESP-01S WiFi module. It is ideal for IoT, home automation, remote switching, industrial control and DIY electronics projects.

Description

The ESP8266 ESP-01 WiFi Relay Module combines a reliable 1-channel 5V relay with the popular ESP8266 ESP-01/ESP-01S WiFi module, allowing you to control AC and DC appliances over a wireless network. It is a practical solution for smart home systems, industrial automation and Internet of Things (IoT) applications.

Powered by a 5V DC supply, the module supports remote switching through custom firmware, mobile applications, MQTT, ESPHome, Tasmota and other IoT platforms. Its onboard circuitry ensures stable relay operation while providing convenient programming through the ESP-01 interface.

The onboard relay is rated for 10A at 250V AC or 10A at 30V DC, making it suitable for switching lights, fans, pumps, door locks, alarms and other electrical devices. Power and relay status LEDs simplify installation, troubleshooting and operation.

Whether you are building a wireless smart switch, remote-controlled appliance, automation controller or IoT prototype, the ESP8266 ESP-01 WiFi Relay Module delivers dependable wireless switching in a compact and easy-to-use design.

Key Features

• Compatible with ESP8266 ESP-01 and ESP-01S modules
• 5V DC operating voltage
• Built-in 1-channel relay
• Wireless WiFi control
• Relay contact rating up to 10A
• Supports smart home and IoT projects
• Compatible with ESPHome, Tasmota and custom firmware
• UART programming interface
• Power and relay status LEDs
• Compact PCB design
• Easy installation and programming
• Suitable for automation and remote switching applications

Technical Specifications

Product Attributes

Pin Details

Power Input

Relay Output

ESP-01 Interface

Compatibility

Compatible with:

• ESP8266 ESP-01
• ESP8266 ESP-01S
• Arduino UNO
• Arduino Nano
• ESP32
• Raspberry Pi
• NodeMCU
• ESPHome
• Tasmota
• Home Assistant
• MQTT-based IoT Platforms

Applications

• Smart Home Automation
• Wireless Light Control
• Smart Switch Projects
• Remote Appliance Control
• IoT Systems
• Industrial Automation
• Smart Door Locks
• Water Pump Automation
• Fan Control
• Security Systems
• DIY Electronics
• Embedded Systems

Package Includes

• 1 × ESP8266 ESP-01 WiFi Relay Module

Note: The ESP8266 ESP-01/ESP-01S WiFi module may or may not be included depending on the selected product variant. Please check the product options before ordering.

Buy in Pakistan

Buy the genuine ESP8266 ESP-01 WiFi Relay Module from Chip.pk, Pakistan's trusted electronics marketplace. We offer competitive pricing, secure packaging and fast nationwide delivery, making it easy for students, hobbyists, engineers and industrial users to source quality IoT and automation components.

Why Choose Chip.pk

Chip.pk is a trusted supplier of genuine electronics, IoT modules and embedded development boards in Pakistan.

• Genuine, quality-tested products
• Competitive prices
• Fast nationwide delivery
• Secure packaging
• Technical support
• Trusted by students, makers, engineers and industries across Pakistan

FAQs

1. What is the ESP8266 ESP-01 WiFi Relay Module?

The ESP8266 ESP-01 WiFi Relay Module is a compact 5V single-channel WiFi relay board designed to work with the ESP8266 ESP-01 or ESP-01S module. It enables wireless control of electrical devices over a WiFi network, making it ideal for IoT, smart home automation and remote switching applications.

2. Does this module include the ESP8266 ESP-01 WiFi module?

The package contents depend on the selected product variant. Some variants include the ESP8266 ESP-01/ESP-01S WiFi module, while others include only the relay board. Please verify the selected option before placing your order.

3. What is the operating voltage of this relay module?

The relay board operates from a 5V DC power supply, while the installed ESP8266 ESP-01 module runs at 3.3V through the onboard circuitry.

4. What is the relay switching capacity?

The onboard relay supports switching electrical loads up to:

• 10A @ 250V AC
• 10A @ 30V DC

Always ensure that your connected load does not exceed these ratings.

5. Which firmware can be used with this module?

The module supports popular ESP8266 firmware, including:

• ESPHome
• Tasmota
• Arduino IDE
• AT Firmware
• Custom ESP8266 Firmware
• MicroPython (where supported)

6. Is this module compatible with Arduino?

Yes. While it is specifically designed for the ESP8266 ESP-01, it can also be integrated with Arduino UNO, Nano, Mega and other microcontrollers in IoT and automation projects.

7. Can I use this module with Home Assistant?

Yes. After flashing ESPHome or Tasmota, the module integrates easily with Home Assistant for smart home automation and remote device control.

8. What projects can I build using this relay module?

The module is suitable for:

• Smart home automation
• WiFi light switches
• Remote fan control
• Smart door locks
• Water pump automation
• Smart irrigation systems
• Garage door automation
• Security systems
• Industrial automation
• IoT prototypes
• Remote appliance control

9. Is programming required?

Yes. The ESP8266 ESP-01 module must be programmed with compatible firmware before it can communicate over WiFi and control the relay.

10. Is this relay module suitable for beginners?

Yes. With extensive documentation and support for Arduino IDE, ESPHome and Tasmota, this module is suitable for beginners as well as experienced IoT developers.

11. Where can I buy the ESP8266 ESP-01 WiFi Relay Module in Pakistan?

You can buy the genuine ESP8266 ESP-01 WiFi Relay Module from Chip.pk with competitive prices, secure packaging and fast nationwide delivery across Pakistan.

12. Where can I buy the ESP8266 ESP-01 WiFi Relay Module in Lahore?

Customers in Lahore can order the genuine ESP8266 ESP-01 WiFi Relay Module from Chip.pk. We provide quick local delivery and technical support from our Hall Road location.