After having the A/C compressor replaced in our VW Golf, the engine idle speed drops way down to near-stalling whenever the clutch is released while driving. It pops right back up, but it's a bit unnerving. [more inside]
posted on Sep 8, 2007 - 9 answers

I'd like to trigger a relay that momentarily closes a switch based on the voltage of another wire. Maybe. I think. Please help me with this basic (I hope) electronics project. [more inside]
posted on May 14, 2006 - 6 answers