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Computer mouse sensor
Has anyone used the sensors from those common mechanical computer mouse.What kind of sensor is it?
Is it a plain phototransistor or some chip.
It has three pins.In the mouse board centre pin is connected to positive supply and the other two pins are connected directly to...
It is most probably because your multimeter just is not designed for measuring such high resistances.
You need specialised meters and setup to measure such high resistances
Check the specs of your meter.
My sanwa meter measures only upto 30Mohm.
Another cheap chinese one measures...
FM is preffered over AM because
1. FM is frequency modulation and AM is amplitude modulation.
Noise generally distorts amplitude,so FM is less prone to noise.
2.In FM there is less inter-channel interference.
3.In FM your can transmit CD quality sound(that is upto 15khz frequency which...
Re: Burgular Alarm
Here are some links
This one has many different types of alarms.
This is a really cool one.