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Old 11-30-2012, 07:05 AM   #99 (permalink)
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Location: Virginia
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Might I suggest using an RC servo instead? I don't know the level of experience you have with the Arduino, but for those who may not know, servo control is very straightforward.

I'm working towards a very similar grill block, but it looks as though you are closer than me to making it a reality. I have an on-board Arduino performing other duties, and have CAN communication working in testing. I've envisioned a similar shutter, but with aluminum slats, the Arduino polling the ECU for coolant temp, and using a PID algorithm controlling the slats via an RC servo to the minimum required opening.

I'm currently using one of these servos: 125G EXI Servo B1228
with one of these for 12V to 6V conversion: Exceed RC UBEC-3A (2-6S Lipo Input)
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