µ[micro]electronics info - hobby

External 128-512 kB RAM for ZX Spectrum

admin — Thu, 19 Mar 2009 18:30:23 +0000

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

admin — Sat, 19 Apr 2008 15:19:05 +0000

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

admin — Fri, 20 Jul 2007 19:04:19 +0000

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?