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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AVR AttoBASIC - 3x

Three circuits with AVRs, implementing a simple BASIC interpreter.

Touch sensors

Two touch sensors based on an ARM microcontroller.

USB LCD interface

USB interface for parallel LCD modules.

AVR code lock

Electronic combination lock with ATMEL AVR

Infrared repeater

MCU based infrared repeater allow to control an A/V equipment that is behind a wall.


A simple open-source USB AVR programmer and SPI interface. It is low cost, easy to make, works great with avrdude, is AVRStudio-compatible and tested under Windows, Linux and MacOS X. Perfect for students and beginners, or as a backup programmer.

Tiny2313 Development board

Easy build AVR Tiny development board.

DTMF Decoder

Decoding DTMF (Dual Tone Multi frequency) with MT8870 chip and AVR x2313 microcontroller.

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