We can use them to cut things, create laser light shows, and also as a rangefinder.[Ignas] wrote in to tell us about [Berryjam’s] AMAZING write-up on creating an Arduino based laser rangefinder.

An Arduino Uno and the relays for the laser and fans sit on the MicroSlice’s bottom platform, and two EasyDriver motor controllers sit above them on the next layer. Swing by the Instructables ...

It’s an interesting month, with the posts covering laser drones, rain gauges, Arduino, and the Worst in Show CES 2025 awards, ...

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