Name:Helen.
Tel:+86-755-82720811
E-mail:helen@chinalctech.com
Add:Room 301,Building No.3,Guole Technopark,Lirong Road,Dalang Street,Longhua District,Shenzhen 518110,China.
Online consulting2.Onboard NRF905 wireless module
3.Onboard UART interface, used to implement the serial communication
4.Onboard 5 V to 3.3 V AMS1117-3.3 chip
5.All spare I/O are lead to, and mark the I/O name