With the StarTech.com USB-C Power Tester, you can easily look for charging problems in your setup. It’s a quick and easy way to ensure your devices are getting all the power they’re supposed to. I ...

For his Hackaday Prize entry, [Martin] is building an Open Source Multimeter that can measure voltage, current, and power. It’s an amazing build, and you too can build one yourself. The features for ...

Model 2100 is a high-precision, 6½-digit DMM with 10-Vdc accuracy of 38 ppm at a measurement rate of 50 readings/sec at full resolution, and over 2,000 readings/sec at 4½-digit resolution. Aug. 9, ...

I have a nearly new Metex ME-21 DMM for sale. I paid $69 for it and it has only been used a couple of times. It measures AC and DC voltage, AC and DC current, resistance, capacitance, and ...