PSF‑B‑1C Ultra‑Low‑Power ESP8285 1‑Channel Wi‑Fi Switch Module – DIY Smart Home, Works with Alexa & Google Home

PSF-B-1C ESP8285 Wi-Fi Switch Module - Smart Home Automation Solution

🔌 Ultra-Low Power ESP8285 Chip Technology

Advanced ESP8285-based Wi-Fi module delivers industry-leading power efficiency for continuous operation with minimal energy consumption.

🎛️ 4-Gang Smart Switch Control

• Control up to 4 devices/appliances simultaneously

• Dual control modes: Physical button operation or remote access via eWeLink app

• Perfect for lights, fans, appliances and other home electronics

📱 IoT & Mobile-Optimized Design

• Most compact form factor in its class

• Ultra-low energy consumption extends device lifespan

• Seamless Wi-Fi connectivity for both local network and remote access
  
  
  

  Key Features:

  • Built-in 32bit MCU, and can double as an application processor
  • Support wireless 802.11 b/g/n standard
  • Wi-Fi @2.4 GHz, support WPA/WPA2 security mode
  • +20.5dBm maximum output power in 802.11b mode
  • Support device button control and Wi-Fi remote control a)In the normal state: click the button (IO0 pulls down for more than 100ms) to control the relay on and off (IO12 output high/low level

  b)In the pairing mode: click the button to exit the pairing mode.

  • Support timer schedule – including single, count down, repeat, and loop timer, see details in 4.5.
  • Support compatible pairing mode /quick pairing mode
  • Power-on status -The power-on switch status can be configured on or off through the APP, and the default power-on status is off.
  • Support OTA upgrade

  Electrical Characteristics

  1.Rated parameters

  • Conditions: VDD=3.3V±10% , GND=0V; test at room temperature 25°C.
  • Operating Voltage: 2.7V~3.6V
  • GPIO drive capability: Max: 12mA
  • Working current: Average current: ≈80mA ,
  • Maximum working current: 210mA
  • Standby: <200uA
  • Operating temperature: 0℃~45℃
  • Storage condition: Temperature: -10℃~75℃ ,
  • Relative humidity: 20%RH~80%RH
  • Wireless network type: STA/AP/STA+AP
  • Encryption mechanism: WEP/WPA-PSK/WPA2-PSK
  • Encryption type: WEP64/WEP128/TKIP/AES
  • Firmware upgrade:OTA remote upgrade

  2. Wi-Fi parameters

  • Conditions: VDD=3.3V±10% , GND=0V ; test at room temperature 25°C.
  • Wireless standard: IEEE 802.11b/g/n
  • Frequency range: 2.412GHz-2.484GHz
  • Transmit power:
  • 802.11b: 20±2dBm (@11Mbps)
  • 802.11g: 17±2dBm (@54Mbps)
  • 802.11n: 14±2dBm (@HT 20, MCS 7)
  • Receiving sensitivity:
  • 802.11b: -91 dBm (@11 Mbps, CCK)
  • 802.11g: -75 dBm (@54Mbps, OFDM)
  • 802.11n: -72 dBm (MCS7)
  • Antenna type:Ceramic patch antenna

  Tips: If you want to know detailed product features, WIFI radio frequency marking, PCB design, package information, module type and pin definition, please see the product application guide.
  Single Gang:https://itead.cc/diy-kits-guides/psf-b01-application-guide/
  Multi-Gang: https://itead.cc/diy-kits-guides/psf-b04-application-guide/