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 ...

SparkFun code, firmware, and software is released under the MIT License. Please see LICENSE.md for further details. // to use hardware reset control, and to monitor the H_INT pin. // The H_INT pin ...

Abstract: Within a digital system the information is represented by means of binary digits, also known as “bits”, and most frequently they have the meaning of numbers. In order to show the value of a ...

They go by names like “Alto,” “Irene,” and “Shoeshine,” but for years, outdoor, non-feral cats have largely been invisible inthe North Texas Dallas city code. Advocates for so-called “community cats” ...

Arduino sketch for generating pulses needed to control servo drivers such as the AASD-15A used in the SFX100 project and the pt-actuators. The controller is meant for the SFX100 actuator and the likes ...

The F.A.A., citing “a grave risk of fatalities” from a new technology being used on the Mexican border, got caught in a stalemate with the Pentagon, which deemed the weapon “necessary.” By Karoun ...

According to the music streaming platform Spotify and its co-CEO Gustav Söderström, the company's best developers "have not written a single line of code since December.” Yet Spotify continues to roll ...

Former GitHub CEO Thomas Dohmke has raised the largest-ever seed round for a dev tool startup, according to its lead backer, Felicis. The startup, Entire, has raised $60 million at a $300 million ...