Duovero Header: USB host is the port located farther from ethernet port40 pin header information: http://pubs.gumstix.com/boards/PARLOR/PCB40002-R3902/B40002.pdfWe use gnd, vcc_1.8, v_batt_5, and uart2 tx/rx | 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
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