But it's an interesting mechanism to save power and we can experiment with the MOSFETs a bit too. You don't HAVE to switch off the Arduino itself - you can use this same circuit to just switch off ...

Fig. 2: Circuit diagram of the GSM security switch Arduino Nano runs on 5V DC supply, and the modem gets around 4.3V DC. When hardware setup is ready, upload the sketch to Arduino Nano board. Power up ...

The ‘unhackable’ switch, which resembles a MIDI sequencer input, runs on an Arduino Nano Every and uses a relay to directly control the power state. Instead of having one keep-alive button ...

A simple Arduino foot switch for the Arduino Leonardo/Micro. When searching for a set of USB foot switches, I found myself disappointed with the selection. So, wanting a higher quality option, I ...

Mouser Electronics, Inc., the industry's leading New Product Introduction (NPI) distributor with the widest selection of semiconductors and electronic components, is now stocking the Protected ...