Last week, the world’s largest electronics trade fair took place in Munich, so I had to attend. Electronica is so big that it happens only once every two years and …read more (https://hackaday.com/2022/11/22/a-hacker-walks-into-a-trade-show-electronica-2022/)

Minimalist 6502 System Uses a CPU and not Much Else
https://hackaday.com/2022/11/22/minimalist-6502-system-uses-a-cpu-and-not-much-else/

A central processing unit, or CPU, is the heart of any computer system. But it’s definitely not the only part: you also need RAM, ROM and at least some peripherals …read more (https://hackaday.com/2022/11/22/minimalist-6502-system-uses-a-cpu-and-not-much-else/)

New Metric Prefixes get Bigger and Smaller
https://hackaday.com/2022/11/22/new-metric-prefixes-get-bigger-and-smaller/

It always fascinates us that every single thing that is made had to be designed by someone. Even something as simple as a bag and box that holds cereal. Someone …read more (https://hackaday.com/2022/11/22/new-metric-prefixes-get-bigger-and-smaller/)

Home-Built CPU Runs With Home-Built Toolchain
https://hackaday.com/2022/11/22/home-built-cpu-runs-with-home-built-toolchain/

https://nullpo-head.github.io/emcc-gaia-simu/xv6.html
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/11/Snap-2022-11-22-at-09.47.16-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/11/Snap-2022-11-22-at-09.47.16-featured.png?w=800">A few years ago [Takaya Saeki] and fellow students of the University of Tokyo, were given a very limited instruction during their ‘CPU exercise’ class, along the lines of: Take …read more (https://hackaday.com/2022/11/22/home-built-cpu-runs-with-home-built-toolchain/)

Fuel Cell Catalyst: Less is More
https://hackaday.com/2022/11/22/fuel-cell-catalyst-less-is-more/

A fuel cell is almost like a battery that has replenishable fuel. Instead of charging a battery with an electric current, you recharge a fuel cell with something like hydrogen …read more (https://hackaday.com/2022/11/22/fuel-cell-catalyst-less-is-more/)

Local IOT Cat Treat Dispenser
https://hackaday.com/2022/11/22/local-iot-cat-treat-dispenser/

[MostElectronics], like many of us, loves cats, and so wanted to make an internet connected treat dispenser for their most beloved. The result is an ingenious 3D printed mechanism connected …read more (https://hackaday.com/2022/11/22/local-iot-cat-treat-dispenser/)

The Fastest Fourier Transform in the West
https://hackaday.com/2022/11/23/the-fastest-fourier-transform-in-the-west/

An interesting aspect of time-varying waveforms is that by using a trick called a Fourier Transform (FT), they can be represented as the sum of their underlying frequencies. This mathematical …read more (https://hackaday.com/2022/11/23/the-fastest-fourier-transform-in-the-west/)