-
Anonymous users2024-01-24After the capacitor resistor is divided, it is rectified into direct current, and then the voltage is regulated to 24V, and the triode Q1 and the peripheral resistor form a constant current circuit to make the LED shine stably
-
Anonymous users2024-01-23There is a photoresistor on the night light, when there is light and when there is no light, the size of the resistance is different, the resistance of light becomes smaller, the transistor is not on, the LED light does not work, when there is no light, the triode is on and works, and the LED is energized.
-
Anonymous users2024-01-22When the photoresistor has light, the resistance value becomes smaller, the triode cuts off, and when there is no light, the resistance value becomes larger, and the triode has an upbias resistor to provide the base current to conduct the LED to emit light.
First of all, look at the power supply with a few volts DC, the power supply is different, and the circuit is different. 3 diodes that emit white light can be connected in parallel or in series. It's up to you to see what you want. See if you have any other requirements for the circuit.
22 watts of white and yellow can be converted.
Fill water into the sink from the toilet inlet pipe, the water level continues to rise, the action of buoyancy lifts the float upward, and the other end of the float connecting rod acts, and finally closes the water valve, and the water tank enters the state of waiting for flushing; When the flush button is pressed, the flush valve is opened, the water in the water tank is quickly flushed out, the water level drops rapidly, and the water filling state is entered, repeat the above procedures.
Kneel and ask for an answer: The wattage of the LED light driver in the living room is multiplied by 1 and 2, which means that you can bring 1 or 2 lamps with this wattage.
Yes, depending on what kind of LED night light you buy.