Circuit Puzzle Master - CalcUniverse

Circuit Puzzle Master

Solve circuit puzzles, learn electronics, and master calculations with CalcUniverse. Perfect for Arduino fans!

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Play Circuit Puzzle Master

Fix circuits by solving puzzles! Use CalcUniverse calculators to find missing values and complete the challenge. Start with Level 1: Ohm’s Law.

Puzzle 1: Power an LED

You need to power a 5V LED with a 9V battery. Calculate the resistor needed to achieve a current of 20mA (0.02A).

Score: 0

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