Hot spring egg temperature control heater circuit
Source: InternetPublisher:zht24 Keywords: heater temperature control transistor Updated: 2020/07/01
Circuit working principle: The circuit is mainly composed of heater L, timing integrated circuit
M51849L and finished digital thermostat . When boiling eggs, press the start button SB, the relay
K2 is energized, and the heater L is energized to start heating; at the same time, the relay k3 is energized and self-
protected, and the timer M51 849L is energized and starts timing. Transistor VT2 and the internal
voltage regulator tube of M51849L form a voltage stabilizing circuit .
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