Spray-On Keyboard is as Light as It Gets
https://hackaday.com/2023/01/18/spray-on-keyboard-is-as-light-as-it-gets/

We’ve all seen those ‘nothing’ keyboards, where the keys themselves are not much more than projected lasers, and users are asked to ritually beat their poor fingertips into the table …read more (https://hackaday.com/2023/01/18/spray-on-keyboard-is-as-light-as-it-gets/)

Punycodes Explained
https://hackaday.com/2023/01/18/punycodes-explained/

When you’re restricted to ASCII, how can you represent more complex things like emojis or non-Latin characters? One answer is Punycode, which is a way to represent Unicode characters in …read more (https://hackaday.com/2023/01/18/punycodes-explained/)

3D Printing Giant LEGO-Like Blocks To Build Big Toys
https://hackaday.com/2023/01/18/3d-printing-giant-lego-like-blocks-to-build-big-toys/

[Ivan Miranda] is all about big 3D prints. He’s now set about printing giant blocks in the vein of LEGO Technic to build himself a full-sized rideable go kart. The …read more (https://hackaday.com/2023/01/18/3d-printing-giant-lego-like-blocks-to-build-big-toys/)

Retro Gadgets: Tired of the Beatles on 8 Track? Try the Police
https://hackaday.com/2023/01/18/retro-gadgets-tired-of-the-beatles-on-8-track-try-the-police/

In the 1970s, 8-track audio players were very popular, especially in cars. For a couple of bucks, you could have the latest album, and you didn’t have to flip the …read more (https://hackaday.com/2023/01/18/retro-gadgets-tired-of-the-beatles-on-8-track-try-the-police/)

Frequency Tells Absolute Temperature
https://hackaday.com/2023/01/18/frequency-tells-absolute-temperature/

It is no secret that semiconductor junctions change their behavior with temperature, and you can use this fact to make a temperature sensor. The problem is that you have to …read more (https://hackaday.com/2023/01/18/frequency-tells-absolute-temperature/)

Internal Heating Element Makes These PCBs Self-Soldering
https://hackaday.com/2023/01/18/internal-heating-element-makes-these-pcbs-self-soldering/

Surface mount components have been a game changer for the electronics hobbyist, but doing reflow soldering right requires some way to evenly heat the board. You might need to buy …read more (https://hackaday.com/2023/01/18/internal-heating-element-makes-these-pcbs-self-soldering/)

Weatherproof Raspberry Pi Camera Enclosure, In a Pinch
https://hackaday.com/2023/01/18/weatherproof-raspberry-pi-camera-enclosure-in-a-pinch/

The Raspberry Pi is the foundation of many IoT camera projects, but enclosures are often something left up to the user. [Mare] found that a serviceable outdoor enclosure could be …read more (https://hackaday.com/2023/01/18/weatherproof-raspberry-pi-camera-enclosure-in-a-pinch/)