CMT2300A Wireless Module Testing Board CDEBYTE E49-900MBL-01 Pre-soldered E49-900M20S USB Interface Testing Kit Easy Use

E49-900MBL-01 Wireless data transmission anti-interference test kit CMT2300A chip SPI wireless data transmission module [Interface]：USB [Working frequency band]：900MHz [Product weight]：45.3±0.1g [Introduction]：MBL series evaluation suite is designed to help users quickly evaluate Ebrand's new generation of packaged and compatible wireless modules. Most of the pins on the board have been drawn to both sides of the pins, developers can easily connect a variety of peripheral devices through jumpers according to actual needs. Pin number Name Functions 1 VCC The module power supply pin needs to be shortconnected to pin 2 to supply power to the module 2 3.3V 3.3V power pin 3 3.3V 3.3V power pin 4 VIO MCU power supply pin, needs to be shortedtopin 3 to supply power to the MCU 5 GND Base board reference ground 6 REST MCU external reset pin 7 SWIM MCU SWIM pin 8 VIO MCU power supply pin 9 PC0 Module reset pin 10 PB7 Module MISO Pin 11 PB6 Module MOSI Pin 12 PB5 Module SCLK Pin 13 PB4 Module NSS Pin 14 TXD MCU Serial TXD 15 RXD MCU serial RXD 16 M1 Module mode switching pins (see moduleproduct manual for details) 17 GND Base board reference ground 18 M0 Module mode switching pins (see moduledatasheet for details) 19 GND Chassis reference ground