Circuit Diagram Using Ldr


Circuit Diagram Using Ldr - this ldr circuit diagram shows how you can make a light detector an ldr or light dependent resistor is a resistor where the resistance decreases with the strength of the light i like the circuit i am planning to do it but before that i need your help on some questions 1 i am planning to connect about 5 or 6 ldr s how to connect serail or parallel it to get best result this is a very simple transistor tester circuit the circuit can be used to test npn and pnp transistors the voltage source is a 6v power supply which is 230v ac to 6v step down transformer here in this project we are going to make a simple automatic street light controller using relay and ldr this circuit is simple and can be built with transistors and ldr you don t need any op or 555 ic to trigger the ac load you can choose a voltage between 3 to 32v for powering this circuit depending of the relay coil voltage i choose 12v.

since 12v relays are very mon in the market note you should keep the ldr in such a way that light from l l1 connected to this circuit will not fall on it i have been looking for a good stereo lifier circuit diagram for a long time i am not a hifi geek i just wanted to build a simple stereo lifier that could drive some speakers for my desktop puter seven segment counter circuit with led display counter circuit diagram is designed using ic cd4033 as counter 555 timer ic and 7 segment led display lt 543 how to make a circuit of automatic street light control system gallery of electronic circuits and projects providing lot of diy circuit diagrams robotics microcontroller projects electronic development tools a very effective pure sine wave inverter circuit can be made using the ic 4047 and a couple ic 555 together with a few other passive ponents let s learn the details below the circuit.

concept in the previous post we discussed the main specifications and datasheet of the ic electronic code lock project using 8051 microcontroller is built around a 4x3 keypad lcd and the microcontroller at89c51 this project include circuit diagram and source code is in c



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