Hacker Hotel is a small Dutch hacker event that takes place, as its name suggests, in a hotel. It’s a welcome high point in the damp of a north-west-European winter, …read more (https://hackaday.com/2024/03/30/a-telegraph-interface-for-the-hacker-hotel-2024-badge/)

How Much Bandwidth Does CW Really Occupy?
https://hackaday.com/2024/03/30/how-much-bandwidth-does-cw-really-occupy/

Amateur radio license exams typically have a question about the bandwidths taken up by various modulation types. The concept behind the question is pretty obvious — as guardians of the …read more (https://hackaday.com/2024/03/30/how-much-bandwidth-does-cw-really-occupy/)

Too Much Over-optimization is Never Enough!
https://hackaday.com/2024/03/30/too-much-over-optimization-is-never-enough/

A discussion came up on the Hackaday Discord PCB design channel about resistor networks, and it got me thinking about whether we (the hacker community) use them in designs or …read more (https://hackaday.com/2024/03/30/too-much-over-optimization-is-never-enough/)

SMD Soldering, Without The Blobs
https://hackaday.com/2024/03/30/smd-soldering-without-the-blobs/

Hand soldering of surface mount components is a bread-and-butter task for anyone working with electronics in 2024. So many devices are simply no longer available in the older through-hole formats, …read more (https://hackaday.com/2024/03/30/smd-soldering-without-the-blobs/)

A Practical Guide To Understanding How Radios Work
https://hackaday.com/2024/03/30/a-practical-guide-to-understanding-how-radios-work/

How may radios do you own? Forget the AM/FM, GMRS/FRS radios you listen to or communicate with. We’re talking about the multiple radios and antennae in your phone, your TV, your …read more (https://hackaday.com/2024/03/30/a-practical-guide-to-understanding-how-radios-work/)

A Single Transistor Solid State Tesla Coil
https://hackaday.com/2024/03/30/a-single-transistor-solid-state-tesla-coil/

Tesla coils are one of those builds that capture the interest of almost anybody passing by. For the naïve constructor, they look simple enough, but they can be finicky beasts—beasts …read more (https://hackaday.com/2024/03/30/a-single-transistor-solid-state-tesla-coil/)

Using Electroadhesion To Reversibly Adhere Metals and Graphite to Hydrogels and Tissues
https://hackaday.com/2024/03/30/using-electroadhesion-to-reversibly-adhere-metals-and-graphite-to-hydrogels-and-tissues/

The usual way to get biological tissues and materials like gels and metals to stick together is using sutures, adhesives or both. Although this generally works, it’s far from ideal, …read more (https://hackaday.com/2024/03/30/using-electroadhesion-to-reversibly-adhere-metals-and-graphite-to-hydrogels-and-tissues/)