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Anonymous users2024-01-24The essence of the capacitor is current limiting, and 1 resistor with a large resistance value to form a resistor-capacitance step-down, if not used, only that resistor has a very weak current through, the LED light will be very dark. The function of that resistor is to store the power that discharges the capacitor after the power is turned off.
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Anonymous users2024-01-23It's a buck capacitor. The night light is a simple resistor-capacitance step-down circuit. If you don't use it, the voltage is insufficient, and you can't light up the LED inside
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Anonymous users2024-01-22Capacitors are widely used in circuits such as DC isolation, resonance, signal coupling, filtering, phase shifting, energy conversion, and sensing due to their functions of DC isolation, capacitive reactance parameter, and power storage. It depends on the position of the capacitor in your actual circuit, which may generally have more filtering effects.
The voltage in Japan is generally 110V, if this toilet seat supports 100-250V voltage, it can be used in China, if not, then you need a transformer, if it is convenient, take a picture of the parameters to show yourself
It can be changed, but now it is impossible to say that you can't see the original circuit diagram.
The light-emitting tube can be bright, but the brightness is low. This is not necessarily the case with gas-cooled light sources (somewhat similar to energy-saving lamps).