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Step 2PCB
The PCB is fairly straight forward when teamed up with the schematic. There's not much to it...
Print, transfer, etch, drill etc.
The ID12 is wired in standard ASCII mode. The only connections needed are:
Pin 1: GND
Pin 2: +5v
Pin 7: GND
Pin 9: Data
Pin11: +5v
This means you only need 3 wires going to the ID-12. The others can be jumpered on the chip. If the run is long (more than say 20cm), I would suggest the use of shielded cable as cars are electrically noisy and it might cause dodgey readings.
Print, transfer, etch, drill etc.
The ID12 is wired in standard ASCII mode. The only connections needed are:
Pin 1: GND
Pin 2: +5v
Pin 7: GND
Pin 9: Data
Pin11: +5v
This means you only need 3 wires going to the ID-12. The others can be jumpered on the chip. If the run is long (more than say 20cm), I would suggest the use of shielded cable as cars are electrically noisy and it might cause dodgey readings.
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