Arduino MKR Relay Proto Shield 74HC238N 3-8 Decode-Demux IC (Pack of 5) you can achieve line-of-sight ranges

you can achieve line-of-sight ranges of 1 km or more

For Bluetooth functionality

making it ideal for applications requiring secure

and perform periodic lens cleaning to maintain optical clarity and minimize measurement errors

Compact N20 form factor

Arduino MKR Relay Proto Shield 74HC238N 3-8 Decode-Demux IC (Pack of 5) you can achieve line-of-sight rangesArduino MKR Relay Proto Shield The Arduino MKR Relay Proto Shield is a versatile expansion board designed for Arduino MKR series microcontrollers, enabling seamless integration of relay based switching and prototyping capabilities in a compact form factor. Professional automation engineers, IoT developers, and industrial control specialists use this shield to rapidly prototype relay driven applications including smart home systems, industrial