Tea Heater
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Should be really simple, and useful. Use a 555 to set it up, need a temperature sensor and a heating element. Drop the whole thing into the teapot and it will hold at around 170°F.
Should be really simple, and useful. Use a 555 to set it up, need a temperature sensor and a heating element. Drop the whole thing into the teapot and it will hold at around 170°F.