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 optic cable. [Shahriar] from [The Signal Path] must agree, and you ...

This is a limited-time deal at Amazon that likely won’t stick around for long. So head over there and pick up the Fluke 107 ...

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 ...

If you’d like to fix or even diagnose anything involving electricity – whether it’s the energy that surges through a car, snowmobile, boat or even a wall socket or a random AAA remote control battery ...

Mellow Labs] wanted to grab a multimeter that could do Bluetooth. Those are cheap and plentiful, but the Bluetooth software was, unsurprisingly, somewhat lacking. A teardown shows a stock ...

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

Take tape measures, once a palm-sized object that housed a metal ribbon that could snap back enthusiastically -- has been transformed into a palm-sized device with with a laser inside. Yup, the ...