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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EchoMP3 - small MP3 player

Cheap and excellent MP3 player based on VS1002 MP3 decoder, PIC18F45x microcontroller and LCD display from Nokia 3310 cell phone.

AVR Ethernet webcam

You can connect an old cellular phone add-on camera to the Internet using an ATmega32 microcontroller and an ENC28J60 Ethernet controller. The compact system’s hardware can fit in a matchbox.

MP3 software decoder for dsPIC33

A great thing: software-based MP3 decoder for dsPICs, published under GPL.

InfraHID and InfraLink

Two constructions based on IR signalling.

WinUSB - USB library for PICs from Jan Axelson

WinUSB a generic driver for devices that don't fit a defined USB class. The driver was introduced with Windows Vista and is also usable on Windows XP systems. The driver is not usable on earlier Windows editions. The driver supports control, bulk, and interrupt transfers.

WinUSB is a .NET host application for accessing devices that use the WinUSB driver. Each includes an example INF file to match the device's Vendor ID and Product ID to a device interface GUID. There are two variants - VB.NET and C#

GPS/GSM tracker

Kind of a mobile tracker with the Telit GPS/GSM module and AVR ATMega8.

How to build your own simple ECG?

How to build a simple heart monitoring device, ECG/EKG (electrocardiograph)

IR Light Dimmer

Adjusting lights with common remote controller.

Two frequency counters with PIC

Two simple frequency counters with PIC microcontrollers.

Homebuilt MP3 Player with STA013

If you’re looking for a build-it-yourself, standalone, USB harddrive based MP3 player, this may be of interest to you.

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