PSF-B-2C Ultra Low Power ESP8285 Wi-Fi Switch Module

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/