Air Quality Station v0.9 on a Breadboard
Measuring & plotting : °C, %rel.H, Pa, NO₂, C₂H₅CH, CO, CO₂, VOC, PM1, PM2, PM4, PM10 also: Count Particles of Sizes: 0.5, 1, 2.5, 4 & 10µm
See https://wiki.seeedstudio.com/Sensor_gas/ for gas sensors
Phishing-resistant two-factor authentication (2FA) devices that help protect high-value users
Works with popular devices, browsers, and a growing set of apps that support FIDO standards
Built with a hardware chip (with firmware engineered by Google) to verify integrity of the key
Sold on https://store.google.com/product/titan_security_key?hl=de for €35
LibreCores is your gateway to free and open source digital designs and other components that you can use and re-use in your digital designs. Towards this goal, LibreCores provides you a comprehensive and easy directory of digital design components ("IP Cores"),
means to assess the quality of those components, and documentation to learn more about the use and contribution to free and open source digital designs.
MiSTer is an open project that aims to recreate various classic computers, game consoles and arcade machines, using modern hardware. It allows software and game images to run as they would on original hardware, using peripherals such as mice, keyboards, joysticks and other game controllers.
Found via the TUHS mailing list https://minnie.tuhs.org/pipermail/tuhs/2021-February/023014.html