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2
1.3 Dimension (mm)
1.4 Circuit Board Interface
1.5 Interface definition
UART interface definition:
Pin
Name
Definition
Description
1
5V
Power Input
Power Input
2
TX
Data Output
TTL3.3V logical level
3
RX
Data Input
TTL 3.3V logical level
4
GND
Power Input
Signal ground. Connected to power
ground
Summary of Contents for GM73
Page 1: ...GM73 Bar Code Reader Module User Manual Hangzhou Grow Technology Co Ltd V1 3 Oct 2020...
Page 50: ...www hzgrow com 43 8 38 Mirror 8 38 1 QR Mirror Forbid Allow 8 38 2 DM Mirror Forbid Allow...
Page 51: ...www hzgrow com 44 Appendix 1 Digital Setting Code 0 1 2 3 4 5 6 7 8 9...
Page 58: ...www hzgrow com 51 1124 7Ch Q 1125 7Dh R 1126 7Eh S 1127 7Fh Undefined...