WB3S Development Board

This is a WB3S Development Board from Nicemcu with BK7238 chip.

You may try it using arduino IDE，open the preference of arduino IDE，add this link to it：

https://dl2.bekencorp.com/arduino/package_bk7238_index.json

then open devboard manager，search the keyword “BK”，you can find the board，there are many useful examples.

https://www.bekencorp.com/en

https://www.bekencorp.com/en/goods/detail/cid/42.html

Download BK7238 Arduino Board 1.1: https://dl.bekencorp.com/ https://dl.bekencorp.com/d/arduino/package_bk7238_index.json?sign=W58YqJ8-jxGmP3tNW525TOZTabBV-fIXDlgYMiUsKsQ=:0

https://dl.bekencorp.com/d/arduino/package_bk7238_index.json

Memory

• 2 MB SiP flash, • 288 KB RAM, • 4-byte eFuse

Features:

  1. This development board is equipped with a low-power 32-bit CPU, which can also serve as an application processor.
  2. Stable performance, with a clock frequency of 120MHz and support for WEP, WPA/WPA2.
  3. Supports the 802.11 b/g/n standard, with a maximum output power of+16dBm in 802.11b mode.
  4. Onboard PCB antenna with a gain of 1.5dBi, easy to use.
  5. Widely applicable, suitable for smart homes/appliances, smart sockets, smart lights, industrial wireless control and other scenarios.

CH340 USB to UART bridge

Onboard RGB LED Red: GPIO 24, Green: GPIO 6, Blue GPIO 26

https://www.elektroda.com/rtvforum/topic4092465.html

BK7238 was actually correct, Flash ID 852015 - 2Mb - Encryption key set is 84e97000 84e97000 84e97000 84e97000

Parameter: Built in low-power 32-bit CPU, can also serve as an application processor Main frequency 120MHz Peripherals: 9XGPIOs, 1XUART, 1XADC Wi Fi connectivity 802.11 b/g/n passageway 1-14@2.4GHz Support WEP, WPA/WPA2 WPA/WPA2 PSK (AES) security mechanism Maximum output power of+16dBm in 802.11b mode Support SmartConfig function Onboard PCB antenna, antenna gain 1.5dBi Working temperature: -40 ° C~85 ° C Bluetooth LE Supports low-power Bluetooth (V4.2) Maximum output power+6dBm Onboard PCB antenna, antenna gain 1.5dBi Size: 55mm * 29mm Wide range of application areas: Intelligent Building Smart Home/Home Appliances Smart socket, smart light Industrial wireless control Baby Monitor Network camera Intelligent public transportation Package include: Package 1: 1X development board 2X pin arrangement (optional welding) Package 2: 1X module

Please note that the data below is for a complete different board, so please do not use it.

Boards without Display

Boards with Display

Special purpose boards

Please note that the data is not conformed by me, as the vendor has canceled my order.