RDL Technologies Pvt.Ltd
WiFi Dimmer SSR 230V 4A-ESP8266

WiFi Dimmer SSR 230V 4A-ESP8266

The WiFi SSR switch  ON / OFF and Dimming can be controlled from remotely using android app or supporting wifi enabled devices .This switch can be used control light , FAN, power socket ,  Triac dimming enabled LED's and any other remote  ON / OFF  or dimming application.



  • On/Off  and dimming control.
  • Snubber circuit enable.
  • Accurate firing angle control and smooth dimming.
  • Operating Voltage 5V DC.
  • Isolated power section from the input.
  • 0-100% dimming.
  • WiFi Enabled.
  • Inbuilt power supply.
  • High quality PCB FR4 Grade with FPT Certified.

ESP8266 ESP-07 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.

ESP8266 ESP-07 Specifications:

  •     802.11 b/g/n
  •     Wi-Fi Direct (P2P), soft-AP
  •     Integrated TCP/IP protocol stack
  •     Integrated TR switch, balun, LNA, power amplifier and matching network
  •     Integrated PLLs, regulators, DCXO and power management units
  •     +19.5dBm output power in 802.11b mode
  •     Power down leakage current of <10uA
  •     Integrated low power 32-bit CPU could be used as application processor
  •     SDIO 1.1/2.0, SPI, UART
  •     STBC, 1×1 MIMO, 2×1 MIMO
  •     A-MPDU & A-MSDU aggregation & 0.4ms guard interval
  •     Wake up and transmit packets in < 2ms
  •     Standby power consumption of < 1.0mW (DTIM3).

BT136S-600 Features:

  • Gate Trigger Current Max (QI), Igt: 70mA
  • Gate Trigger Voltage Max Vgt: 1.5V
  • Holding Current Max Ih: 15mA
  • No. of Pins: 3
  • On State RMS Current IT(rms): 4A
  • Operating Temperature Max: 125°C
  • Peak Gate Power: 5W
  • Peak Non Rep Surge Current Itsm 50Hz: 25A
  • Peak Repetitive Off-State Voltage, Vdrm: 600V
  • Triac Case Style: SOT-428.

AC-DC Isolated Power Supply Module Features:


  • Ultra thin,ultra small.
  • All voltage input (AC:90~264V).
  • Low ripple and low noise.
  • Output overload and short circuit protection.
  • High efficiency, high power density.
  • The product is designed to meet the requirements of EMC and safety test.
  • Low power consumption,environmental protection, no load loss>0.1W.
  • Dimension: 34X20mm.

Screen Shots:




NOTE: This module directly establish the wifi connection with mobile and then controls the relays ,currently this module not able to establish the connection with wifi router

Sample SDK Screenshot:

Below given sample SDK will be given along with the product.


Package Contains :

  • SMD WiFi-SSR 230V/8A Dimmer


  • Datasheet (BT136S-600)
  • SDK              (WiFi Dimmer)
1,825.00 1,398.00