

Alternatronics
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Alternatronics is a free online platform for learning electronics from scratch. It offers step-by-step tutorials, interactive calculators (Ohm’s Law, resistor codes, LED resistor, RC time constant, and more), plus downloadable simulations to help you go from theory to practice.
Cost / License
- Free
- Proprietary
Platforms
- Online

Alternatronics
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Alternatronics is a free online platform for learning electronics from scratch. It offers step-by-step tutorials, interactive calculators (Ohm’s Law, resistor codes, LED resistor, RC time constant, and more), plus downloadable simulations to help you go from theory to practice. Designed for hobbyists, students, and DIY makers, with content available in both English and Spanish.
