Local-first wins.

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

If you’ve got a smart home, or you just want to know how soaked your garden is getting in the winter, you might want to measure rainfall. There are a bunch of ways to go about it, and this capacitive ...

As Colorado River negotiations build toward a Feb. 14 deadline, few are talking about design flaws in the dam that holds back Lake Powell. Floyd Dominy, the commissioner of the federal Bureau of ...

Abstract: This paper provides details about the design and operation of a Collision Avoidance System in smart cars, with the Arduino board as the central control unit, interfaced with an ultrasonic ...

Abstract: This paper presents an integrated Bluetooth Low Energy (BLE) planar inverted-F antenna (PIFA) sensor designed for noncontact liquid level detection using microwave sensing in the 2.4 GHz ISM ...

KiCad design files for a bidirectional 3.3V-to-5V level converter shield that sits between an Arduino Giga R1 WiFi and a RetroShield Z80. The shield translates all bus signals between the Giga's 3.3V ...

A 22-year-old singer from western North Carolina has officially made it into the Top 30 contestants of "American Idol" season 24. Measles cases in North Carolina rise to 24 since December: health ...