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Simple School Project Multimeter Circuit

Last updated on 24 June 2026 by Admin-Lavi 2 Comments

Touch electricity and learn easy way! This Simple School Project Multimeter Circuit show how current and voltage work in real life; with one battery, one resistor, one ammeter and one voltmeter, we can measure electricity at home. Also, it is fun, simple and good for beginner to see how circuit really flow. Circuit Working: Parts […]

Filed Under: Hobby Circuits, Meters and Testers, Mini Projects, Tutorials

Logic XNOR Gate Circuit with Transistors

Last updated on 24 June 2026 by Admin-Lavi Leave a Comment

XNOR gate is one of the basic logic gates, as it gives HIGH output when both inputs are same. If both inputs are 0 or both are 1, the output becomes 1 and if one input is 0 and the other is 1, the output becomes 0; for this reason, the gate is also referred […]

Filed Under: Mini Projects, Transistor Circuits, Tutorials

Logic XOR Gate Circuit with Transistors

Last updated on 24 June 2026 by Admin-Lavi Leave a Comment

This is project is for Logic XOR Gate Circuit with Transistors and it uses transistors and resistors and also it shows how XOR logic works. Output is high only when inputs are different and therefore this circuit is good for students and beginners to learn digital logic. Truth Table for Logic XOR Gate: Input A […]

Filed Under: Mini Projects, Transistor Circuits, Tutorials

Logic NOR Gate Circuit with Transistors

Last updated on 24 June 2026 by Admin-Lavi Leave a Comment

NOR gate is a universal logic gate and it gives output HIGH only when all inputs are LOW; also it performs both OR and NOT operation together. This circuit uses two NPN transistors to implement a NOR gate. Truth Table for Logic NOR Gate: Input A Input B Output Y 0 0 1 0 1 […]

Filed Under: Mini Projects, Transistor Circuits, Tutorials

Logic OR Gate Circuit using Transistors

Last updated on 24 June 2026 by Admin-Lavi Leave a Comment

Logic OR Gate Circuit using Transistors is simple digital logic gate, it give HIGH output if any input is HIGH. We can make Logic OR Gate using two NPN transistor like BC547 and it also uses small current and is easy to build. Truth Table for Logic OR Gate: Input A Input B Output Y […]

Filed Under: Mini Projects, Transistor Circuits, Tutorials

Logic AND Gate Circuit using Transistors

Last updated on 24 June 2026 by Admin-Lavi Leave a Comment

Logic AND gate is a basic digital logic gate, as it gives high output only when both inputs are high. In this Logic AND Gate Circuit using Transistors is easy to make and this is a simple example of transistor logic gate. Truth Table for Logic AND Gate: Input A Input B Output Y 0 […]

Filed Under: Mini Projects, Transistor Circuits, Tutorials

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