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A DIY printed circuit board for a 737 Digital Cabin Pressurisation Controller System panel. The board includes pre-installed MAX driver chips and rear-mounted components, while requiring separately added encoders and 7-segment displays; backlighting is not pre-installed.
Encoders: Two encoders must be added to the front of the PCB Displays: Five-digit, 0.36-inch common-cathode 7-segment displays must be added Backlighting: 12V LED COB backlighting is not pre-installed; an LED strip may be used
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