User Manual

Figure1 Schematic diagram of radar module structure
Interface Pin Description Typical Description
Interface 1
1
5V 5.0V Power input positive
terminal
2 GND Ground
3 RX Serial port receiving
4 TX Serial port sending
5 S1 3.3V/0V Someone/nobody
6 S2 3.3V/0V Static/active
Interface 2
1 3V3 3.3V Output power
2 GND Ground
3 SL Keep
4 SD Keep
5 GP1 Spare extension pin
6 GP2 Spare extension pin
7 GP3 Spare extension pin
8 GP4 Spare extension pin
3. External Dimension and I/O Pin Assignment
3.1 External Dimension
3.2. I/O Pin Assignment
IR24BDA
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