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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ISA VGA card with an AVR

Don't throw out your old ISA VGA cards. Sure, you can use them in the regular way in your PC, but you definitelly can use them in your hobby devices. For example with an ATMega128.

Two algorithms for an AVR

If you need to protect your data, here is two things you'll need: The CRC algorithm and the Rijndael (AES) cipher.

AVR init code generator

An AVR initialization sequence can't be easier with this generator.


An USB-to-Serial (I2C/SPI/GPIO) bridge.

AVR signal generator... Twice, please!

Two homemade signal generators, based on AVR microcontrollers.


A very simple circuit, providing sensor connection via an USB.

Touch sensors

Two touch sensors based on an ARM microcontroller.

Arduino Nano 3.0

Arduino Nano 3.0 now available for pre-order, and it's upgraded and cheaper.

USB LCD interface

USB interface for parallel LCD modules.

Teensy and Teensyduino

The Teensy is an USB development system, based on AT90USB162 AVR.

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