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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AVRSH: A Command Interpreter Shell for Arduino/AVR.

AVR Shell is a UNIX-like shell for AVR microcontrollers.

Low cost ARM development board

NGX Technologies Bangalore, has launched a very low-cost and feature rich ARM7 evaluation board called "BlueBoard-LPC2148".

USB Logic Analyzer

Logic analyzer based on Altera FPGA with USB interface.


Do you need a Z80 microprocessor emulator in your project? Easy with Z80ex, a portable Z80 emulator.

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.

Software DTMF decoder

DTMF (the phone dialing tones) is often decoded with a special IC. Here is a pure SW implementation in the PIC18F877 chip.

AVR init code generator

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

Simple R-2R DAC for your project

Do you need some simple digital-to-analog converter? The best way is to use a kind of R-2R circuit (also called "resistor ladder"). Here is a R-2R DAC module for your devices.

6502 programming

Some information about 6502 programming languages, plus one free 6502 assembler...

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