How to connect a Sparkfun FTDI board to the ArduPilot


This might be obvious for you but as an electronics noob it took me a while to figure out how to connect the Sparkfun FTDI Basic Breakout board to the ArduPilot. The different naming of the pins confused me and of course I thought I'd blow up everything if I connect it the wrong way.

ArduPilot pins
GND = Ground
VCC = Voltage of the Common Collector
GRN/DTR (green) = Autoreset
TXO = Output
RXI = Input
VCC = Voltage of the Common Collector
CTS = Clear To Send
BLK/GND (black) = Ground

FTDI board pins (-> ArduPilot)
GRN/DTR -> GRN
RXI -> TXO
TXO -> RXI
5V -> VCC (unused)
CTS -> CTS (unused)
GND -> BLK/GND

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Comment by Reto on May 2, 2009 at 10:31am
Hey Jaron, do you know what your ArduPilot board is singing now? "That's the way... aha, aha... I like it... aha, aha...". A good pic is worth a thousand words!

3D Robotics
Comment by Chris Anderson on May 2, 2009 at 10:37am
Excellent! I'll add this picture to the instructions.

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