RDL Technologies Pvt.Ltd
WiFi-20 Channel Relay Board

WiFi-20 Channel Relay Board

This is 20 Channel relay board controlled through WiFi. The WiFi relay board is with 20 SPDT relays rated up to 7A each. You can control devices 230V / 120V (up to 8) directly with one such relay unit. Suitable for home automation applications, hobby projects, industrial automation.



  • 20 SPDT Relay channels (7A 250V,12A 120V,10A 125VAC, 10A 28VDC).
  • Power supply:12VDC 2AMP
  • LED indication for relay & power supply.
  • Design based on highly proven IC ULN2003 as driver.
  • Node MCU Firmware updated.
  • High quality PCB FR4 Grade with FPT Certified. 

ESP8266 Features:

  • SDIO 2.0, SPI, UART
  • 32-pin QFN package
  • Integrated RF switch, balun, 24dBm PA, DCXO, and PMU
  • Integrated RISC processor, on-chip memory and external memory interfaces
  • Integrated MAC/baseband processors
  • Quality of Service management
  • I2S interface for high fidelity audio applications
  • On-chip low-dropout linear regulators for all internal supplies
  • Proprietary spurious-free clock generation architecture
  • Integrated WEP, TKIP, AES, and WAPI engines

Android Playstore Screenshot:



Direct Access:


Access through Router:


Package Contains :

  • 20 Channel Relay Board + ESP8266-07+XBEE USB Adafter with FT232RL+ USB Cable

FTDI Driver Install:

5,695.00 3,940.00