Low power and small size (45x45x10mm) Rechargeable and programable with Arduino By adding a USB port to a small solar panel you've created a simple add-on Can communicate via WIFI or Bluetooth One ...
The MAX471 is an older current sensor which can handle up to 50 Watt, with a maximum of 25 Volts or a current of 3 Amperes. It is officially not supported any more however there are still many for ...