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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Touch sensors

Two touch sensors based on an ARM microcontroller.

Interfacing an optical mouse to the Arduino

About connect the optical sensor from a cheap mouse to your Arduino and have it read out the x- and y-movements.


Open source USB sensor box

AVR and 1-Wire interface

Dallas Semiconductor (Maxim) produces a family of devices that are controlled through a proprietary 1-wire interface. On a 1-wire network, a single "master" device communicates with one or more 1-wire "slave" devices over a single data line, which can also be used to provide power to the slave devices. How to connect such devices to Arduino?

Capacitive sensor

A simple six button keypad based on the QProx QT160 charge transfer proximity sensor chip.

LM75 Temperature Sensor

Simple LM75 temperature sensor on the breadboard

Positional Sensor Interface

Low cost and easily implemented sensors for homebrew robotics projects.

Infra red proximity sensors

Based on a simple basic Idea, this proximity sensor, is easy to build, easy to calibrate and still, it provides a detection range of 35 cm.

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