PSF‑B‑2C Ultra‑Low‑Power ESP8285 Wi‑Fi 2‑Channel Switch Module – eWeLink, Alexa & Google Home
PSF‑B‑2C Ultra‑Low‑Power ESP8285 Wi‑Fi 2‑Channel Switch Module – eWeLink, Alexa & Google Home
PSF‑B‑2C Ultra‑Low‑Power ESP8285 Wi‑Fi 2‑Channel Switch Module – eWeLink, Alexa & Google Home
PSF‑B‑2C Ultra‑Low‑Power ESP8285 Wi‑Fi 2‑Channel Switch Module – eWeLink, Alexa & Google Home
PSF‑B‑2C Ultra‑Low‑Power ESP8285 Wi‑Fi 2‑Channel Switch Module – eWeLink, Alexa & Google Home
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PSF‑B‑2C Ultra‑Low‑Power ESP8285 Wi‑Fi 2‑Channel Switch Module – eWeLink, Alexa & Google Home

Regular priceRs. 461.70
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🚀 Next-Gen ESP8285 Technology

  • Ultra-low-power Wi-Fi chipset for energy-efficient 24/7 operation

  • Industry-leading power efficiency (50% lower consumption than standard modules)

  • Compact SMD packaging for space-constrained installations

🎛️ 4-Gang Smart Control

  • Independently control 4 devices/appliances (lights, motors, HVAC)

  • Dual control modes:
    ✅ Physical button operation
    ✅ Remote control via eWeLink app (iOS/Android)

  • Group/scene creation for synchronized device control

🌐 IoT-Optimized Design

  • Smallest form factor in its class (35×25×15mm)

  • Seamless Wi-Fi connectivity:

    • Remote access worldwide

    • Local network control (LAN mode)

  • Open API for custom smart home integrations

🏭 Industrial-Grade Applications

  • Smart Home: Lighting, curtains, appliances

  • Industrial IoT: Equipment control, sensors

  • Energy Management: Smart grid devices

  • Transportation: Fleet monitoring systems

  • Retail: Display/signage control

📦 Flexible Deployment Options

  • DIN rail mount for electrical cabinets

  • Wall-mounted enclosures available

  • PCB integration for OEM products

    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/  

Shipping & Returns

Fast Delivery: 3–7 business days across India.


Easy Returns: 7-day return policy for unused items.

Free Delivery: Free shipping available on all products.

Hassle-Free Replacement: Free replacement for damaged/defective items.

Shipping & Returns

Fast Delivery: 3–7 business days across India.


Easy Returns: 7-day return policy for unused items.

Free Delivery: Free shipping available on all products.

Hassle-Free Replacement: Free replacement for damaged/defective items.

Warranty

6-Month Warranty: Covers manufacturing defects.


Easy Warranty Claims: Share order ID + issue via email/WhatsApp.

No Worries: Quick support for repair or replacement.

Trusted Quality: All products tested before shipping.

Warranty

6-Month Warranty: Covers manufacturing defects.


Easy Warranty Claims: Share order ID + issue via email/WhatsApp.

No Worries: Quick support for repair or replacement.

Trusted Quality: All products tested before shipping.

Secure Payment

  • 100% Secure Payments: Encrypted checkout for safe transactions.
  • Multiple Payment Options: UPI, Cards, Net Banking & COD.
  • Safe Checkout: Industry-standard security protection.
  • Shop With Confidence: Your payment details are always protected.

Secure Payment

  • 100% Secure Payments: Encrypted checkout for safe transactions.
  • Multiple Payment Options: UPI, Cards, Net Banking & COD.
  • Safe Checkout: Industry-standard security protection.
  • Shop With Confidence: Your payment details are always protected.

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