This is the 220V variant of the AC220V ESP8266 Wireless WIFI Relay Module 1 Channel ESP-12S Wifi Development Board in Relay Modules. Available at ₹922.76 (₹782.00 + GST) with free shipping across India.
Looking for Ac220v Development Board? AC220V ESP8266 Wireless WIFI Relay Module 1 Channel ESP-12S Wifi Development Board is available at Zbotic with fast shipping across India.
AC220V ESP8266 Wireless WIFI Relay Module 1 Channel ESP-12S Wifi
The ESP8266 single-channel relay development board is a versatile solution equipped with an ESP-12F WiFi module and I/O ports, supporting various power supply methods including AC90-250V, DC7-12V, and USB 5V. It is ideal for applications such as secondary development learning, smart home wireless control, and more. Here are the features of this board:
- Equipped with a mature and stable ESP-12F WiFi module with a large capacity 4M Byte Flash.
- All I/O ports of the WiFi module and the UART program download port are led out for easy secondary development.
- Integrated AC-DC switching power supply module, supporting multiple power supply modes including AC90-250V, DC7-12V, and USB 5V.
- Onboard WiFi module reset button (RST) for easy reset.
- ESP-12F supports Eclipse/Arduino IDE and other development tools, providing reference programs under the Arduino development environment.
- Includes a 5V relay for outputting switch signals, suitable for controlling loads within AC 250V/DC30V.
- Features onboard power indicator, 1 programmable LED, and relay indicator for convenient monitoring.
This development board offers a robust platform for wireless control applications and IoT projects, providing flexibility, ease of use, and reliable performance.
Development Board
Specification:
Model: LC-Relay-ESP12-1R-MV
Work Voltage: AC90-250V/DC7-12V/USB5V
WIFI IC: ESP8266
Communication Protocol: UART
Load voltage: AC 250V or DC 30V (Max)
Load current: 10A (Max)
Work Temperature: 25?~85?
Work Humidity: 5%~95%RH
PACKAGE INCLUDES
1 X AC220V ESP8266 Wireless WIFI Relay Module 1 Channel ESP-12S Wifi Development Board
AC220V ESP8266 Wireless WIFI Relay Module 1 Channel ESP-12S Overview
The AC220V ESP8266 Wireless WIFI Relay Module 1 Channel ESP-12S is a compact development board designed to switch AC or DC loads remotely over WiFi. Powered via AC90-250V, DC7-12V or USB5V, it integrates an ESP-12S (ESP8266) module with a single relay channel capable of handling up to 10A, making it ideal for smart home automation and IoT prototyping.
Key Features of AC220V ESP8266 Wireless WIFI Relay Module 1 Channel ESP-12S
- ESP-12S (ESP8266) WiFi IC with 4MB flash memory for custom firmware.
- Flexible power input: AC90–250V, DC7–12V or USB 5V.
- Single relay channel rated at 10A max load current for AC/DC switching.
- UART interface for easy firmware upload and serial control.
- All module I/O pins and UART download port broken out for secondary development.
- Genuine product with fast shipping from Zbotic across India.
Applications and Use Cases
- Smart home control: switch lights, fans or appliances via mobile app.
- DIY IoT prototypes requiring remote power switching.
- Industrial equipment toggling with WiFi-based commands.
- Secondary development and learning for ESP8266-based projects.
- Timer or schedule-driven power automation setups.
How to Use AC220V ESP8266 Wireless WIFI Relay Module 1 Channel ESP-12S
To use the module, supply power through AC90-250V mains, DC7-12V or USB5V and connect your load to the relay terminals. Flash your custom firmware via the UART pins or use a standard ESP8266 AT-command firmware. Configure your WiFi credentials in firmware, then toggle the relay over your network using HTTP/MQTT commands or a web interface.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
Can I power this relay module directly from USB?
Yes. The board accepts USB 5V input, which is regulated internally to run the ESP-12S and relay coil.
What is the maximum switching current for the relay?
The single relay channel is rated for up to 10A maximum load current at AC or DC voltage.
How do I upload my own firmware to the ESP-12S?
Use the UART pins (TX, RX) broken out on the board. Put the module in programming mode with the GPIO0 pin, then flash via a USB-to-TTL adapter at 3.3V logic levels.
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Read More →Technical Specifications
| Model | AC220V |
|---|---|
| Operating Voltage | 220V |
| Channels | 1-channel |
| Interface / Protocol | WiFi |
| SKU | AI4222 |
| Weight | 0.052 kg |
| Availability | In Stock |
Applications & Use Cases
The AC220V ESP8266 Wireless WIFI Relay Module 1 Channel ESP-12S Wifi Development Board is a versatile relay modules used across a wide range of applications including home automation, industrial control, IoT projects, Arduino/Raspberry Pi interfacing, and motor control.
Common use cases:
- Switching high-voltage AC appliances with a microcontroller
- Building a smart home relay board
- Automating irrigation pumps in agriculture
This product is ideal for electronics engineers, IoT developers, and automation hobbyists.
Technical Tip: Use optocoupler-isolated relay modules to protect your microcontroller. Match relay coil voltage to your MCU logic level (3.3V or 5V).
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
Akash Dhawan (verified owner) –
Decent AC220V ESP8266 Wireless WIFI Relay Module. Had to install CP2102 drivers but works fine after that.
Ojas Malhotra –
Great quality AC220V ESP8266 Wireless WIFI Relay Module. Flashed with ESPHome and it works beautifully.
Anirudh Sethi (verified owner) –
Superb AC220V ESP8266 Wireless WIFI Relay Module! Using it for my weather monitoring station. WiFi range is impressive.
Ishan Bhatt –
Outstanding AC220V ESP8266 Wireless WIFI Relay Module! Programmed it with Arduino IDE. All features work as documented.
Rohan Saxena (verified owner) –
Good quality AC220V ESP8266 Wireless WIFI Relay Module. Flash memory is sufficient for most projects.
Siddharth Garg (verified owner) –
Excellent for smart home projects. This AC220V ESP8266 Wireless WIFI Relay Module connects reliably to my router.
Sarthak Pandey (verified owner) –
Nice AC220V ESP8266 Wireless WIFI Relay Module for IoT prototyping. Breadboard compatible which is a plus.
Rohit Bhat (verified owner) –
Excellent for smart home projects. This AC220V ESP8266 Wireless WIFI Relay Module connects reliably to my router.
Dev Pillai (verified owner) –
Good AC220V ESP8266 Wireless WIFI Relay Module. WiFi works well. Sometimes needs a reset but overall solid.
Ajay Batra (verified owner) –
Outstanding AC220V ESP8266 Wireless WIFI Relay Module! Programmed it with Arduino IDE. All features work as documented.
Sumit Jain –
Great AC220V ESP8266 Wireless WIFI Relay Module. OTA updates work perfectly. Using 5 of these around my house.
Yogesh Nayak (verified owner) –
Love this AC220V ESP8266 Wireless WIFI Relay Module. Built a smart switch with it. Works with Home Assistant perfectly.
Meera Kohli (verified owner) –
Decent AC220V ESP8266 Wireless WIFI Relay Module. Had to install CP2102 drivers but works fine after that.
Yashwant Sharma (verified owner) –
Excellent AC220V ESP8266 Wireless WIFI Relay Module! WiFi connectivity is strong and stable. Perfect for IoT projects.
Nitin Panchal –
Great quality AC220V ESP8266 Wireless WIFI Relay Module. Flashed with ESPHome and it works beautifully.
Sameer Vyas –
Okay AC220V ESP8266 Wireless WIFI Relay Module. Took time to figure out the pin mapping but functional.
Girish Joshi (verified owner) –
Average AC220V ESP8266 Wireless WIFI Relay Module. WiFi drops occasionally but works for basic projects.
Lakshya Pillai –
Good AC220V ESP8266 Wireless WIFI Relay Module. WiFi works well. Sometimes needs a reset but overall solid.
Sarthak Naidu –
Good AC220V ESP8266 Wireless WIFI Relay Module. WiFi works well. Sometimes needs a reset but overall solid.
Ajay Krishnan (verified owner) –
Good quality AC220V ESP8266 Wireless WIFI Relay Module. Flash memory is sufficient for most projects.