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RBT BAC Checker/Bilge Sniffer PCB pattern (PDF download) 
PDF with the PCB design for the Random Breath Test Blood Alcohol Concentration Checker (single-sided).
The same PCB is used to build the Bilge Sniffer.
Cat No SC1653. Price: AUD $3.00
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Project: Bilge Sniffer
Project: Simple Alcohol Level Meter
Other item relevant for this project:
Bilge Sniffer front panel artwork (PDF download)
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