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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Emulating a Z80 CP/M computer on ATMega88

Yes, we all know many emulators of old processors "on the chip", but as far as I remember this is the first attempt to emulate a CP/M machine (including Z80) I ever seen.

USB-to-LPT converter

There are a lot of devices with LPT (Centronics) interface, but newer computers haven't the LPT interface. Here is a solution...

Photo: Henrik Haftmann

USBTiny Mkii Programmer

LUFA-powered programmer which emulates AVRISP-MKII. It works with AVR Studio and AVRDude.

Photo: Tom_L

Super simple AVR ISP USB programmer

An in-system programmer for AVR microcontrollers built with ATTiny44 with virtual USB firmware.


Core3duino is, believe it or not, three-core "Arduino cluster" in the form "an addon shield to a shield".

Picture: Instructables.com

Yaler: access small devices from the Web

Yaler aims to provide a simple, open and scalable relay infrastructure for the Web of Things - i.e. simple embedded devices ("things") accessible via Web (e.g. browsers).

Ethersex - IPv6 on the AVR

Ethersex is a universal platform to access microcontrolers via IP protocol (including IPv6) and makes a solid base for your own development.

Breadboard header for ATTiny x5

Are you tired with all the initial wiring (power, resonator, ICP, power cap, reset), needed again and again with every uC project? Try this!

Photo: Electronic-lab.com

SED1520 - based graphic LCD

Simple and deadly cheap LCD graphic module 122x32 pixels, controlled by SED1520 / EPSON.

Twypper: A retro-style Twitter wall

Nothing but a retro toy: A Commodore typewriter as a "twitter console".

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