Watch the below-given project video for the practical explanation of designing the circuit and to know how the simulation #software works. The transistor acts as a switch that is connected to the Arduino board through which it will control the bulb. Those #voltage values are displayed on the power supply device panel. Hence to summarise the working, the LDR sensor receives input based on the input light intensity. That means, whenever there is a change done to the pin 3, there is a change in the status of the bulb as the emitter of the transistor goes further to connect to the second terminal of the light bulb. Although, it works similarly to a mere mechanical switch. Virtually a 3V motor will create a vacuum when we are adding the 3V motor to the board with Blink program. The base terminal of the Transistor is connected to the digital pin of Arduino through which the bulb will be controlled. A transistor is an electronics component that is also used as a digital switch. Additional danger of adding a motor directly to Arduino like with Blink program is damage of the board. The #collector is connected to the Ground. Using the Arduino to Make a Programmable Light-Controlled SwitchThe circuit. It will control the Light bulb based on the sensor output value. Photoresistor Laboratory PH1 Photoresistor, Transistor, and LEDs Learning. So ive put the longer side ive connected to the to the end of the resistor, and the shorter end will be anywhere else. The transistor acts as a switch in this circuit. When the LDR gives output to the analog pin A5 of Arduino, the value is stored by the board itself.
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