On Tue, Jan 11, 2011 at 6:26 PM, Oli Glaser wrote= : > Sounds like there is a problem, but why use a flashlight to try to > confirm it? (I assume you know different, but just in case you have some > sophisticated flashlight with some clever control circuitry, or PWM etc) > You're absolutely right. There might be some control mechanism in my flashlight - it's an LED flashlight with a Cree C3 emitter. > Just to be sure, why not just use a battery + resistor to produce a > predictable current. I'll test this next and let you guys know. > Or a bench supply if available. > Test on a few ranges too. > As Bob said though, dodgy leads/sockets sound like a distinct possibility= .. > Is the voltage (or resistance) working okay? Have you tried the test > method suggested there? I think you would have far more chance of > success that way. IME, cheap multimeters can be terrible at measuring > current but *usually* not too bad with voltage. That's right - I've never had an issue measuring voltages. Just a note - my multimeter *does* have two different sockets for current measurement. One of them is labeled "mA", and the other is labeled "20 A max", "unfused". --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .