Are you a math aficionado in need of a new desk toy? Then do we have the project for you. With nothing more than an Arduino and a seven-segment LED …read more (https://hackaday.com/2022/03/15/simple-arduino-build-lets-you-keep-an-eye-on-pi/)

Mustool Scopemeter Review and Teardown
https://hackaday.com/2022/03/15/mustool-scopemeter-review-and-teardown/

There was a time when calculators became so powerful it was hard to tell them from little computers. The same thing seems to be happening now with multimeters. They now …read more (https://hackaday.com/2022/03/15/mustool-scopemeter-review-and-teardown/)

In 2045: Alpha Centauri
https://hackaday.com/2022/03/15/in-2045-alpha-centauri/

We’ve talked about project Breakthrough Starshot which aims to send a solar sail probe to Alpha Centauri within 20 years. A little basic math and knowing that Alpha Centauri is …read more (https://hackaday.com/2022/03/15/in-2045-alpha-centauri/)

Rotary Phone MIDI Controller Still Makes Calls
https://hackaday.com/2022/03/15/rotary-phone-midi-controller-still-makes-calls/

[Kevin] has long wanted to do something musical with a vintage rotary phone and an Arduino, and has finally done so and committed the first of several experiments to HTML …read more (https://hackaday.com/2022/03/15/rotary-phone-midi-controller-still-makes-calls/)

The Nine Dollar Laser Bed
https://hackaday.com/2022/03/16/the-nine-dollar-laser-bed/

A laser cutter bed has to be robust, fireproof, and capable of adequately supporting whatever piece of work is being done on the machine. For that reason they are typically …read more (https://hackaday.com/2022/03/16/the-nine-dollar-laser-bed/)

Layer Line Removal Putty Reviewed
https://hackaday.com/2022/03/16/layer-line-removal-putty-reviewed/

[Teaching Tech] is not alone in hating layer lines in 3D prints and also hates sanding. He recently tried Incredafill putty, a UV-curable putty that you can use to cover …read more (https://hackaday.com/2022/03/16/layer-line-removal-putty-reviewed/)

Linux Fu: Simple Pipes
https://hackaday.com/2022/03/16/linux-fu-simple-pipes/

In the old days, you had a computer and it did one thing at a time. Literally. You would load your cards or punch tape or whatever and push a …read more (https://hackaday.com/2022/03/16/linux-fu-simple-pipes/)

Eight RS232 Ports, One Ethernet Port
https://hackaday.com/2022/03/16/eight-rs232-ports-one-ethernet-port/