µ[micro]electronics info

A weblog focused on interesting circuits, ideas, schematics and other information about microelectronics and microcontrollers.




Because I have not tested all electronic circuits mentioned on this pages, I cannot attest to their accuracy; therefore, I do not provide a warranty of any kind and cannot be held responsible in any manner.

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External 128-512 kB RAM for ZX Spectrum

ZX Spectrum is still alive - at least in the Czech Republic. :) Here is a Velesoft's (nearly) unobtrusive solution for ZXS memory enhancing (in English, don't worry).

Laser Display

Build your own laser display by two mirrors, two motors to move the mirrors, a laser pointer, and a PIC microcontroller with serial input.

Using TQFP ICs in homebrew constructions

Every hobbyist can work with IC in the DIL (or SOIC) package without any bigger problems. But modern ICs, especially microcontrollers and processors, are in the TQFP/LQFP package. How we can handle with them?

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