PSF-B04 Application Guide
1.Product Introduction
PSF-B04 is a 4-channel ultra-low-power Wi-Fi switch module based on ESP8285. It’s
specially designed for mobile devices and Internet of Things applications with the most
competitive package size and ultra-low energy consumption technology in the industry.
Connecting users’ devices to the Wi-Fi wireless network for remote or local area network
communication to achieve networking. This module can be used as a switch control for 4
household appliances. Either it can be controlled by the device button, or remotely
controlled by connecting to APP (eWeLink).
PSF-B04 has various packaging methods, and the antenna supports ceramic
antennas. It can be widely used in smart grid, smart transportation, smart home,
handheld devices, industrial control and other fields.
Product 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 outputpower in 802.11b mode
• Support devicebutton control
• Support timer schedule
• Support Wi-Fi remote control
• Support compatible pairing mode /quickpairing mode
• Support OTA upgrade
2.Electrical Characteristics
2.1 Rated parameters
Conditions: VDD=3.3V±10% , GND=0V; test at room temperature 25°C.
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