What is a thermoelectric generator, module, cooler? This is a DIY, homemade, how to experiment with ten TEC1-12706 thermoelectric coolers (TEC) and a DC-DC USB 0.9V-5V to 5V dc boost step-up power supply module to charge a cell in an emergency.
In 1821, T. J. Seebeck discovered that different metals, known as a thermocouple, will develop a micro-voltage if the junctions are held at different temperatures. This is known as the "Seebeck effect".
In 1834, Jean Peltier discovered the inverse of the Seebeck effe
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