Schematics

BlackBoard – Circuit Layout.and Simulation
An Open Source “Learning EDA” Software which can setup circuit layouts. You may use it for stripboards, perfboards, breadboards, and even for plain circuitry or […]

Diode Thermometer
Measurement Of Temperature – When power transistors are used, they may tend to over heat. Likewise resistors may also overheat in the event of faults […]

CadSoft EAGLE Layout Editor
The EAGLE Layout Editor is an easy to use, yet powerful tool for designing printed circuit boards (PCBs). EAGLE offers the three modules: Schematic-Editor, Layout […]

Kicad Open Source EDA
Kicad is an open source (GPL) software for the creation of electronic schematic diagrams and printed circuit board artwork. KiCad EDA Software Suite Designed and […]

Battery Level Indicator
This circuit uses a LM339, a quad comparator. LM339 can work on single or dual supplies, it has a open collector output that can drive […]
Embedded Microcontroller

The PICList – Microchip PIC Interest Group
The PICList is a collection of people interested in the Microchip PIC and other similar processors who have requested that email sent to the PICList […]

Elektronik und Mikrocontroller – Burkhard Kainka
Author of books and CDs, Microcontroller, interface programming or new ideas for hobby projects. The Electronics Fundamentals for hobby and education helps the beginner with […]

Adafruit Industries – Unique DIY electronics
Adafruit Industries is a small company that sells kits and parts for original, open source hardware electronics projects featured on ladyada as well as other […]

MarS Board – Freescale ARM Cortex-A9
A super ARM DIY Platform. Measuring only 65.46mm by 102.04mm, the MarS Board is a low-cost highly-integrated controller board based on Freescale’s i.MX 6 Dual […]

ELektronik Kompendium
Two new circuits with AVR: Universal timer and frequency clock, in addition new software for the ATTiny11-Programmer, in order to be able to program also […]