Hot rock powered LED light
This is an LED light that is using energy from a hot rock as the power source. Peltier modules are converting the heat to electricity and that powers an efficient LED oscillator circuit.
Experiments, inventions, patents, …
by F.E.N. · Published · Updated
This is an LED light that is using energy from a hot rock as the power source. Peltier modules are converting the heat to electricity and that powers an efficient LED oscillator circuit.
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