For American readers of a certain age, Local on the 8s likely holds a special spot in your heart.

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I recently added a Tenma 72-14110 signal generator to my array of lab equipment. This handy waveform generator has quite a nice array of functions, such as the normal waveform generators, up to 5MHz, as well as arbitrary waveform generation, modulation, frequency counting, etc.

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Welcome! In this post, we’ll be taking a character-by-character look at the source code of the BioNTech/Pfizer SARS-CoV-2 mRNA vaccine. Now, these words may be somewhat jarring – the vaccine is a liquid that gets injected in your arm. How can we talk about source code?

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The Nintendo Game Boy contains an audio amplifier chip for sound through a speaker or headphones. In this post, I reverse-engineer this chip and compare it with the later Game Boy Color chip (reverse-engineered earlier).

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