The general concept is to use the Arduino Nano Every board to run a simple looping program, which checks for voltage on one of four digital pins, and when voltage is detected the associated "tone" ...

Sometimes the simplest projects can be quite interesting, provided they’re well documented. We hope that the Hackaday readers also think that the door sensor that [Alexander] developed falls into this ...

Abstract: In this paper, a high-selectivity band-pass filter (BPF) and a two-port reflectionless BPF are proposed, and a superheterodyne receiver is constructed. The influence of reflectionless BPFs ...

It seems that Bitcoin is all over the news nowadays, but the Bitcoin Bot is probably the first robot that will dance for Bitcoins. [Ryan] at HeatSync Labs in Mesa, AZ, is a fan of the cryptocurrency, ...

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

The Elinchrom EL-Skyport Universal Plus Transmitter & Receiver Set is everything I’d expect from my all-time favorite photographic lighting company. I’ve relied on Elinchrom for many years now, and ...

Abstract: This paper presents a fully differential 2-stage operational transconductance amplifier (OTA) for a baseband transimpedance amplifier (TIA) with 360-MHz bandwidth (BW) aiming for ...