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Tritech Depth Sounder:

• Draws approximately 110mA at 12v
• 3 pin impulse connector with pin 1 higher than the others and closer to pin 2 than pin 3
  • 1 - gnd
  • 2 - signal (rs232, 9600 baud)
  • 3 - power (vbatt ok, 10.5-20v)

Cruzpro Depth Sounders:

• red - power
• shield - gnd
• green - signal
• white - unused

Duovero Header:

• USB host is the port located farther from ethernet port
• 40 pin header information: http://pubs.gumstix.com/boards/PARLOR/PCB40002-R3902/B40002.pdf
  • We use gnd, vcc_1.8, v_batt_5, and uart2 tx/rx