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Exactly. For example, various kinds of STM Nucleo boards with MCUs having far more useful peripherals for an embedded computer than Raspberry Pi can be found f
by adrian_b 1mo ago
Exactly.
For example, various kinds of STM Nucleo boards with MCUs having far more useful peripherals for an embedded computer than Raspberry Pi can be found for less than $20, and you can connect them to any PC with USB, to load programs on them and to debug them, or if you pay a little more, you can also connect them wirelessly.
The smallest such boards have the size of the through-hole dual-in-line integrated circuits from the past (0.6" width, like the UVPROMs from ancient PCs), and they can be inserted in standard solderless breadboards.