The arduino R3 pinout includes an IORef pin which will be 5v on a 5v arduino but 3.3v on a 3.3v arduino. Any IC’s on the shield should run at IORef. Report comment ...

Offering 32-bit computational power similar to the Arduino MKR ZERO board, the MKR WAN 1300 is based around the Murata LoRa low-power connectivity module and the Microchip SAM D21 microcontroller ...

Distributor, Farnell, has added four compact Arduino MKR shields to its Arduino product range.The accessories – three shields and a motor carrier – can be integrated into battery-powered IoT ...