µ[micro]electronics info

A weblog focused on interesting circuits, ideas, schematics and other information about microelectronics and microcontrollers.

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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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DIY

DIY: Sun tracking unit

Show your talent by DIY a Sun Tracking Unit: ScienceProg

68000 home computer

You grab a Motorola 68HC000 32 bit mcu, some knowledge, you mix them together and you should get a 32-bit power single board computer. The chip is quite old but there are many chip makers still produce it.

Generate real-time VGA signal + music with ATmega

An amazing demonstration of the power of the slightly overclocked ATmega88 (video included in the article).

USB joystick

How to build a DIY USB joystick based on ATmega8.

AVR frequency counter

A simple, inexpensive and versatile frequency counter with LCD display and some special extra features.

USBTiny - ATtiny2313 based USB-to-parallel convertor

USBtiny is a software implementation of the USB low-speed protocol for the Atmel ATtiny microcontrollers.

AVR DDS functions generator

AVR DDS signal generator V2.0 is a firmware based DDS signal generator which uses slightly modified Jesper’s DDS algorithm adapted to AVR-GCC C program as in-line ASM.

DIY: USB sound card

An easy-to-built sound card with TI's PCM2702 chip.

AVR IR Remote Control System

An infrared (IR) link that provides bi-directional communication between the NXT and the new Power-Functions system, which consists of a battery box, motors, a remote control (an IR transmitter) and an IR receiver that controls the motors.

Laser Display

Build your own laser display by two mirrors, two motors to move the mirrors, a laser pointer, and a PIC microcontroller with serial input.

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