First time for learning how to use LEDs.
Electronics learning with Homeschooling
How to reduce voltage for LED and others loads. We use a limiting current resistor reduce current or voltage in a series circuit. So easy to do
My son want to make a simple DC voltmeter on 0-10V range by Convert a galvanometer to voltmeter.Galvanometer DC1mA is cheap and easy with one resistor only.
The experiment on the simple series circuit. To understand current flow and voltage across all devices in the circuit.
The old circuits is basic electronics that everyone need to learn!