Richard Smith wrote: rs> If that is true you don't care about USB then it should run fine at rs> 5V Vin, rs> and indeed it runs just fine at 5V Vin. I needed to up the current rs> limit I don't care about USB for now. I have a spare 12V->5V DCDC adapter, I suspect that it will isolate my 3800 From engine noise and spikes, and if anything is going to blow, it will be the DCDC adapter... -- ] Never tell me the odds! | ipv6 mesh networks [ ] Michael Richardson, Sandelman Software Works | network architect [ ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails [