Here at Hackaday, we love projects that result in useful lab equipment for a fraction of the cost of professional gear. [Lorenz], over at Advanced Tinkering, built his own instrument …read more (https://hackaday.com/2022/02/19/spectrometer-detects-chemicals-by-zapping-samples-with-a-laser-beam/)

Homemade Panadapter Brings Waterfall to Old Radio
https://hackaday.com/2022/02/20/homemade-panadapter-brings-waterfall-to-old-radio/

Ham radio operators can be pretty selective about their gear. Some are old-school tube purists who would never think of touching a rig containing transistors, and others are perfectly happy …read more (https://hackaday.com/2022/02/20/homemade-panadapter-brings-waterfall-to-old-radio/)

How a Pentester Gets Root
https://hackaday.com/2022/02/20/how-a-pentester-gets-root/

Have you ever wanted to be a fly on the wall, watching a penetration tester attack a new machine — working their way through the layers of security, ultimately leveraging …read more (https://hackaday.com/2022/02/20/how-a-pentester-gets-root/)

All About Dichroic Optical Filters
https://hackaday.com/2022/02/20/all-about-dichroic-optical-filters/

https://www.youtube.com/watch?v=h9McddItZk8
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/02/Snap-2022-02-17-at-21.46.21.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/02/Snap-2022-02-17-at-21.46.21.png?w=800">[IMSAI Guy] presents for your viewing pleasure, a nice video on the topic of optical filters and mirrors. (Video, embedded below) The first optical device is a simple absorption filter, …read more (https://hackaday.com/2022/02/20/all-about-dichroic-optical-filters/)

Winamp Reborn with the Adafruit PyPortal
https://hackaday.com/2022/02/20/winamp-reborn-with-the-adafruit-pyportal/

One look at the default Winamp skin is sure to reawaken fond memories for a certain segment of the community. For those who experienced the MP3 revolution first hand, few …read more (https://hackaday.com/2022/02/20/winamp-reborn-with-the-adafruit-pyportal/)

Reverse Engineering a 900 MHz RC Transmitter And Receiver
https://hackaday.com/2022/02/20/reverse-engineering-a-900-mhz-rc-transmitter-and-receiver/

For those building their own remote controlled devices like RC boats and quadcopter drones, having a good transmitter-receiver setup is a significant factor in the eventual usability of their build. …read more (https://hackaday.com/2022/02/20/reverse-engineering-a-900-mhz-rc-transmitter-and-receiver/)

Hackaday Links: February 20, 2022
https://hackaday.com/2022/02/20/hackaday-links-february-20-2022/

Sounds like somebody had a really bad day at work, as Western Digital reports that “factory contamination” caused a batch of flash memory chips to be spoiled. How much, you …read more (https://hackaday.com/2022/02/20/hackaday-links-february-20-2022/)