kaktus circuits

I am an electrochemist but I do all sorts of electronic design. Mainly focused on test and measurement.


  • Prague,
    Czech Republic

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  • Resister Blackjack

    kaktus circuits

    Resistor blackjack is like regular blackjack but better! Your goal is to assemble a single resistance from several resistors that is as close to 21k while not being over.Unlike regular blackjack, the resistors can be combined in series and in parallel, giving the game a whole new dimension. Plus, resistors have tolerances so achieving a mathematical 21k doesn't guarantee a win.

  • Programmable 70W Electronic Load

    MightyWatt R3 - kaktus circuits

    The All-New MightyWatt revision 3 turns your Arduino Uno R3 or Arduino Zero (M0/M0 Pro) into an electronic load capable of dissipating 70 Watts in a very small form factor. Ideal for testing power supplies, batteries, solar cells, fuel cells or power amplifiers. MightyWatt R3 has a research-grade electronics and is aimed not only at hobbyists but also at professionals.

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