Universal Bio-Electrical Signal Amplifier Makes Reading Body Signals Easy
https://hackaday.com/2021/08/26/universal-bio-electrical-signal-amplifier-makes-reading-body-signals-easy/

The electrical signals emitted by the human body tell us a lot about what’s going on inside. But getting those signals inside your microcontroller is not straightforward: the voltages are …read more (https://hackaday.com/2021/08/26/universal-bio-electrical-signal-amplifier-makes-reading-body-signals-easy/)

Ferrofluid Display Gets New, Better Driver Circuitry
https://hackaday.com/2021/08/26/ferrofluid-display-gets-new-better-driver-circuitry/

In 2019 [Simen] and [Amud], two students from the University of Oslo, set out to design a unique open-source display. The result was Fetch, a display that uses electromagnets to …read more (https://hackaday.com/2021/08/26/ferrofluid-display-gets-new-better-driver-circuitry/)

A Simpsons TV For a Golden Age
https://hackaday.com/2021/08/26/a-simpsons-tv-for-a-golden-age/

While the pace of technology continues to advance at breakneck speed, certain things in the past are left behind largely subject to the whims of nostalgia. Televisions, for example, are …read more (https://hackaday.com/2021/08/26/a-simpsons-tv-for-a-golden-age/)

Making High Quality Copies Of Existing Parts Using A Silicone Mold
https://hackaday.com/2021/08/26/making-high-quality-copies-of-existing-parts-using-a-silicone-mold/

3D printing has made it incredibly easy to produce small runs of plastic parts, but getting rid of the 3D printed look can be tricky and time-consuming. When you need …read more (https://hackaday.com/2021/08/26/making-high-quality-copies-of-existing-parts-using-a-silicone-mold/)

Digging into an ATtiny Simulator Bug with GDB
https://hackaday.com/2021/08/26/digging-into-an-attiny-simulator-bug-with-gdb/

Being able to track down a bug in a mountain of source code is a skill in its own right, and it’s a hard skill to learn from a book …read more (https://hackaday.com/2021/08/26/digging-into-an-attiny-simulator-bug-with-gdb/)

Ambi-Alice Goes Down the Rabbit Hole of Ambisonic Microphones
https://hackaday.com/2021/08/27/ambi-alice-goes-down-the-rabbit-hole-of-ambisonic-microphones/

Theoretically, ambisonic microphones allow you to perfectly encode the soundscape around you and recreate it from the focal point of any direction. To do this, you need at least four …read more (https://hackaday.com/2021/08/27/ambi-alice-goes-down-the-rabbit-hole-of-ambisonic-microphones/)

Consoles, Consoles On The Wall, Can Alexa Help Me Play Them All?
https://hackaday.com/2021/08/27/consoles-consoles-on-the-wall-can-alexa-help-me-play-them-all/