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 ...
The VX2 Pro is a two-slot battery charger that can take a wide variety of cell types and sizes. You can pop in AA, AAA, C, D, 18650, 21700, and more, and the unit will automatically detect the battery ...