[Oleg Kutkov] decided to build a wideband SDR – for satellite communication research and monitoring, you know, the usual. He decided on a battery of HackRF boards – entire eight …read more (https://hackaday.com/2022/04/01/a-gang-of-hackrfs-makes-for-a-wideband-sdr/)

AARP Swipes Right On Senior Social Network
https://hackaday.com/2022/04/01/aarp-swipes-right-on-senior-social-network/

Can you believe that Facebook turns 18 this year? One of the troubled teenager’s biggest problems is that not only are the young people still leaving in droves, many of …read more (https://hackaday.com/2022/04/01/aarp-swipes-right-on-senior-social-network/)

Stresses Revealed With A Polariscope
https://hackaday.com/2022/04/01/stresses-revealed-with-a-polariscope/

There are a lot of ways that stresses can show up, at least when discussing materials science. Cracks in concrete are a common enough example, but any catastrophic failure in …read more (https://hackaday.com/2022/04/01/stresses-revealed-with-a-polariscope/)

Using a Vacuum Diode to Make The Cleanest Noise Source You’ve Ever Seen
https://hackaday.com/2022/04/01/using-a-vacuum-diode-to-make-the-cleanest-noise-source-youve-ever-seen/

Noise is an annoying but unavoidable part of any engineering project. Fixing noise issues is hard enough, but even just measuring how much noise an amplifier adds to your signal …read more (https://hackaday.com/2022/04/01/using-a-vacuum-diode-to-make-the-cleanest-noise-source-youve-ever-seen/)

Making Your Own Technically-HDMI OLED Monitor
https://hackaday.com/2022/04/01/making-your-own-technically-hdmi-oled-monitor/

One day, [mitxela] got bored and decided to build his own HDMI monitor – the unconventional way. HDMI has a few high-speed differential pairs, but it also has an I2C …read more (https://hackaday.com/2022/04/01/making-your-own-technically-hdmi-oled-monitor/)

This Motorcycle Uses Water!
https://hackaday.com/2022/04/02/this-motorcycle-uses-water/

Doing the rounds among motorcycle enthusiasts for the last week has been a slightly unusual machine variously portrayed as running on water or sea water. This sounds like the stuff …read more (https://hackaday.com/2022/04/02/this-motorcycle-uses-water/)

Briefcase Computer Is A Glorious Cyberpunk Build
https://hackaday.com/2022/04/02/briefcase-computer-is-a-glorious-cyberpunk-build/

There are plenty of gaming laptops on the market these days, but none quite fit the requirements of one [ParticularlyPippin]. Thus, they set out on building their own portable computer, …read more (https://hackaday.com/2022/04/02/briefcase-computer-is-a-glorious-cyberpunk-build/)