Batteries are amazing. Batteries are horrible. Batteries are a necessary evil in today’s world of portable everything. If you’re reading this sentence, even if it’s not on a mobile device, …read more (https://hackaday.com/2022/02/16/when-battery-rebuilds-go-wrong-understanding-bmss-spot-welders-and-safety/)

Linux Fu: Fusing Hackaday
https://hackaday.com/2022/02/16/linux-fu-fusing-hackaday/

Unix and, by extension, Linux, has a mantra to make everything possible look like a file. Files, of course, look like files. But also devices, network sockets, and even system …read more (https://hackaday.com/2022/02/16/linux-fu-fusing-hackaday/)

Tiny Ethernet Cable Arms Race Spawns From Reddit Discussion
https://hackaday.com/2022/02/16/tiny-ethernet-cable-arms-race-spawns-from-reddit-discussion/

If you’ve had any dealings with Cat 5 and Cat 6 cable, and let’s be honest, who hasn’t, you’ve probably wrestled with lengths anywhere from 1 meter to 25 meters …read more (https://hackaday.com/2022/02/16/tiny-ethernet-cable-arms-race-spawns-from-reddit-discussion/)

Put a Little Piece of the James Webb on your Wall
https://hackaday.com/2022/02/16/put-a-little-piece-of-the-james-webb-on-your-wall/

The James Webb Space Telescope (JWST) has become something of a celebrity here on Earth, and rightfully so. After decades of development, the $10 billion deep space observatory promises to …read more (https://hackaday.com/2022/02/16/put-a-little-piece-of-the-james-webb-on-your-wall/)

Weird Phosphor Conversion LEDs Found In Cheap LED String
https://hackaday.com/2022/02/16/weird-phosphor-conversion-leds-found-in-cheap-led-string/

[Tim] recently found himself tinkering with a cheap string of LEDs. Far from an advanced, IC-controlled addressable set, these were merely a string with LEDs of four colors that could …read more (https://hackaday.com/2022/02/16/weird-phosphor-conversion-leds-found-in-cheap-led-string/)

A PNG Based Circuit Simulator
https://hackaday.com/2022/02/16/a-png-based-circuit-simulator/

We’re sure thousands of hours have been spent in Minecraft implementing digital logic. Inspired by that, [lynnpepin] created a digital logic simulator named Reso that is based on pixels rather …read more (https://hackaday.com/2022/02/16/a-png-based-circuit-simulator/)

Coin-Operated Graphing Calculator Console
https://hackaday.com/2022/02/16/coin-operated-graphing-calculator-console/

pictures from Hackaday.io project gallery
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/02/coin-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/02/coin-feature.png?w=800">Longtime hacker [Peter Jansen] was so impressed with a piece in The Onion from last year that he decided to build this coin-operated Texas Instruments graphing calculator console on a …read more (https://hackaday.com/2022/02/16/coin-operated-graphing-calculator-console/)

Sending MIDI Wirelessly With The nRF24L01
https://hackaday.com/2022/02/17/sending-midi-wirelessly-with-the-nrf24l01/