Time controller circuit for timing power on
Source: InternetPublisher:武林萌主 Keywords: power supply time controller controller circuit Updated: 2021/01/11
Time controller circuit for timing power on
It can control various household appliances and electrical equipment at regular intervals with accurate timing.
This circuit uses 903 type digital time controller (composed of integrated circuit Ai and quartz oscillator G),
TWH7851 switch integrated circuit A2, and has a simple structure. In fact, the 903 time controller is a complete electronic watch
core that can output a trigger signal of 1.SV to the input terminal of A2 according to the artificially set time. By appropriately adjusting the capacitor Cl,
the oscillation frequency can be easily controlled.
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