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Electronic Toolbox combines electronic reference material with a huge collection of calculation, lookup and conversion tools in one handy App right at your fingertips – the perfect tool for students, hobbyists, and engineers.

This App contains 40 individual tools, all with a consistent look and feel such as tools for component color or number code decoding. Huge databases to look up Transistors, FETs, Triacs, Diodes etc. and their parameters, including replacement types. Various circuit calculations from simple Resistor networks to NE555 and OpAmp circuits. A socket pin-out database. Just to mention a few.

In addition to these tools, the App offers a lot of background information (in English) and also displays the underlying formulas for a better understanding. In addition, a formula database and a Glossary is included.

For this reason, this App is designed not just for professionals but also for hobbyists and students who want to learn about electronics.

No Internet connection is required to use most of the functions, including the huge databases. Only in case of a first-time download of data-sheets, an Internet connection is necessary.


  • Type listings (with color coding) for Resistors and capacitors including SMT types
  • Databases for Transistors, FETs, Triacs, Thyristors, Diodes, ICs, TTL, CMOS, Atmel and PIC controllers
  • Calculating circuit values for Resistor, Capacitor, Inductor, NE555, Filter circuits and much more
  • A database for common electrical Symbols
  • Calculation of voltage regulators with 78xx,79xx,LM317 or LM337
  • Op-amp circuit calculation
  • Frequency, period wave-length calculation
  • LED / resistor calculation
  • Voltage divider calculation
  • R/L calculations
  • Pinouts of Audio, Video, Computer or phone sockets
  • ARDUINO Tool
  • Formula database
  • Glossary

You are allowed to use this product only within the laws of your country/region. SharewareOnSale and its staff are not responsible for any illegal activity. We did not develop this product; if you have an issue with this product, contact the developer. This product is offered "as is" without express or implied or any other type of warranty. The description of this product on this page is not a recommendation, endorsement, or review; it is a marketing description, written by the developer. The quality and performance of this product is without guarantee. Download or use at your own risk. If you don't feel comfortable with this product, then don't download it.

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