It uses wireless serial port, wireless debugging module, NRF24L01 radio-frequency chip and ATmega8A-AU processing chip.
http://www.siliconray.com/catalogsearch/result/?q=2401
Features:
Designed for debugging of car and observing its running state.
Communication range indoor: >30m
It can change communication channel and use multiple pairing modules.
Standard UART communication data format:
Ultra small size: 13mm x 24mm
Data format
1 start bit, 8 data bits, 1 stop bit, no CRC. Variable baud rate, default is 9600bps
Data packaging
Start flag: 0x00
Stop flag: 0x0d, 0x0a
Package length: 1-29 bytes
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