Keyboard Hero: A Barebones Alternative To The Guitar Version
https://hackaday.com/2025/08/03/keyboard-hero-a-barebones-alternative-to-the-guitar-version/

Guitar Hero was all the rage for a few years, before the entire world apparently got sick of it overnight. Some diehards still remember the charms of rhythm games, though. …read more (https://hackaday.com/2025/08/03/keyboard-hero-a-barebones-alternative-to-the-guitar-version/)

Why Cheap Digital Microscopes are Pretty Terrible
https://hackaday.com/2025/08/03/why-cheap-digital-microscopes-are-pretty-terrible/

We have all seen those cheap digital microscopes, whether in USB format or with its own screen, all of them promising super-clear images of everything from butterfly wings to electronics …read more (https://hackaday.com/2025/08/03/why-cheap-digital-microscopes-are-pretty-terrible/)

Repairing An Obscure Apple II Clone
https://hackaday.com/2025/08/03/repairing-an-obscure-apple-ii-clone/

The Apple II was made in great numbers, as was the Commodore 64. But the Mimic Spartan? It was a weird Apple II clone that you needed a Commodore 64 …read more (https://hackaday.com/2025/08/03/repairing-an-obscure-apple-ii-clone/)

Hackaday Links: August 3, 2025
https://hackaday.com/2025/08/03/hackaday-links-august-3-2025/

When all else fails, there’s amateur radio — and handwritten notes. Both ham radio and clear thinking helped rescue a mother and her son from a recent California camping trip …read more (https://hackaday.com/2025/08/03/hackaday-links-august-3-2025/)

Open-Source, Flexible E-Reader
https://hackaday.com/2025/08/03/open-source-flexible-e-reader/

Although the most popular e-reader by far is the Kindle, some argue that its primary use isn’t even as an e-reader at all but rather as a storefront for one …read more (https://hackaday.com/2025/08/03/open-source-flexible-e-reader/)

Reverse-Engineering the TDA7000 FM Radio Receiver IC
https://hackaday.com/2025/08/03/reverse-engineering-the-tda7000-fm-radio-receiver-ic/

Credit: Ken Shirriff
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/08/TDA7000_die-labeled.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/08/TDA7000_die-labeled.jpg?w=800">During the 1980s a lot of consumer devices suddenly got a lot smaller as large-scale integration using semiconductor technology took off. This included radios, with Philips’ TDA7000 FM radio receiver …read more (https://hackaday.com/2025/08/03/reverse-engineering-the-tda7000-fm-radio-receiver-ic/)

The Scourge of Fake Retro Unijunction Transistors
https://hackaday.com/2025/08/04/the-scourge-of-fake-retro-components-like-unijunction-transistors/