Thinking of tackling electrical repairs but don’t know where to start? With just a little knowledge–and less than $100 worth ...

Anything with a laser has undeniable hacker appeal, even if the laser’s task is as pedestrian as sending data over a fiber ...

A digital multimeter is one of the most important tools for both professional mechanics and DIYers, not to mention people ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

An office breathing test typically means you blow into a machine that measures how much air your lungs can take in and how quickly and forcefully you can blow it out. These numbers tell your doctor if ...

Dhananjay Gadre] happened across a useful little trick the other day. Take any old 1N4148 or 1N914 glass-package signal diode ...

Geiger-mode avalanche photodiodes (GM-APDs) are highly sensitive light detectors, capable of detecting single photons.

Here is a close look at the common- versus differential-mode voltage and instrumentation amplifier (IA) topologies.

Equal resistors R added in series with both emitters will develop voltages Vr = I1*R and I2*R that will be equal if the ...

But, it turns out, a thermometer has been part of photonic chips all along.

Anritsu Company has launched the MN4765B-0140 O/E Reference Calibration Module, the first traceable solution for testing demands ...

The Treedix multifunction USB cable tester quickly identifies which cables still work and which ones belong in the recycling bin.