NADAMOO E3000 - Communication Port

3
1.5 Communication port
Interface NO.
Name
Type
Description
1
NC
Empty
Spare
2
VDD
DC power supply
DC3.3V
3
GND
Digital ground
GND
4
Rx
Input
Serial input port TTL level
5
Tx
output
Serial input port TTL level
6
USB_D-
Input / output
USB_D- signal
7
USB_D+
Input / output
USB_D+ signal
8
NC
Empty
Spare
9
BPR
output
Buzzer output signal
10
LED
output
Indicator light output signal
11
NC
Input
Reset signal input, Active low. Maintain
more than100us can reset product.
12
TRIG
Input
Trigger to scan