It can virtually serve any controlling, automation and data-logging purpose for you. you can combine this shield with all arduino mkr family.

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 ...

The Arduino MKR CAN shield connects MKR boards to a controller area network (CAN) bus. Based on a Microchip Technology MCP2515 CAN controller with SPI interface, the MKR CAN shield is designed to ...

The Shield itself is getting a quiet upgrade in the process -- the software both takes up a smaller footprint and can now talk to the world in the background while the Arduino keeps on keepin' on.

You can also go the 9v battery route plugged into the on-board regulator of the Arduino but the low mAh rating of a 9v won’t allow your project to stay running for very long.

The Yun shield found on the Dragino website features a small SoC running OpenWrt, separated from the rest of the Arduino board with a serial connection.

MKR IoT Carrier is an IoT interface and peripheral board for Arduino’s MKR WiFi 1010 single-board computer. Also know as the Oplà interface, it includes: sensors for temperature, humidity, barometric, ...