How can a rechargeable flashlight LED light bulb be judged by a multimeter?
Multimeter to diode file, do not know LED negative words, first use the pen LED measured at both ends, not light change, no light is bad.
The LED used for illumination is different from that of an ordinary diode. The 10K meter is used in the pointer multimeter
Upstairs said yes, pointer multimeter, with 10K files, you can also use mobile phone batteries, the number of connected, on the bright, the wrong connection is not bright, how to connect also does not light, that is broken, this light is afraid to turn on the lights when the power.
