DIY Arduino Nano multimeter with LiPo battery, charger and more. 10:59 am February 13, 2019 By Julian Horsey.

Yes, two AA batteries at 1.5v each would equal only 3 volts when connected in series. The Arduino needs 5v so [AI] decided to use a MAX756 DC-to-DC step-up regulator to maintain a steady stream of 5v.

Unexpected Maker has recently released the Series, a lineup of four new ESP32-S3 development boards: the EdgeS3, TinyS3, ...

A new Arduino is joining the devboard lineup. Welcome the MKR1000, and yes there's an IoT focus. According to the Arduino team it's a board that combines the functionality of the Zero and the ...

Arduino Measures Remaining Battery Power With Zero Components, No I/O Pin. 22 Comments . by: ... but he provides example Arduino code showing how handy this can be for battery-powered projects.