Wire Color Standards

The following wire colors apply to SpeedBall-2 designs and newer. All wires are 22-gauge, Teflon-insulated stranded wire, unless otherwise specified.

General-Purpose Wire Colors onboard balloon payload

Wire Function Color
12V Black
GND White
5V Red
3.3V Orange
SDA Green
SCL Brown
GPIO Gray
SENSE (Ground Support) Blue
TX (from Computer!) Purple
RX (to Computer!) Yellow

I2C Interface on Open Balloon Computer

Line Color
12v Black
3.3v Orange
5V Red
GND White
SDA Green
SCL Brown
GND White
GPIO Gray
hardware/wirecolors.txt · Last modified: 2011/07/07 02:42 by tgeis
 
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