[Florin] picked up a cheap multimeter in order to make multiple measurements at one time. Unfortunately, he wasn’t very good at remembering to turn it off when he was finished so he burned through ...

[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 Bluetooth ...

Most multimeters today have an auto turn-off feature built in. There is enough space in a multimeter enclosure so why not to install a simple circuit that would take care of this? Figure 1 shows a ...