The build starts with a commercially available rain transmitter, easily found on the cheap as an accessory for a wireless weather ... Effect or magnetoresistive sensors. An RFM95W LoRa module ...

We're currently seeing a wave of innovative robotic mowers hitting the market, with Husqvarna's upgraded Automower 435X AWD NERA making headlines this week. However, another contender has now ...

Pictured above is the sensor portion of what [Frapedia] calls his visual rain sensor. Most rain gauges just use a graduated cylinder to capture water as it falls from the sky. That will give you a ...