Tag: 2n3904

Introduction In this project, we’re going to make a motion sensor detector with photo capture using an ESP32-CAM. When your PIR sensor detec…

In telecommunication, frequency modulation (FM) transfers information by varying the frequency of the carrier wave according to the message…

In this Tutorial, we are going to make a "Simple condenser mic preamp circuit using 2N3904". Preamplifiers (Preamp) are typically the initia…

In this Tutorial, we are going to make a "Very simple amplifier circuit using transistor 2N3904". As you know an amplifier boosts or amplifi…

Introduction The microphone needs no introduction as we all have aware of this. And, some of us might have given speeches on this in our aca…

Street light circuits or street lamps play an important part in maintaining safety regulations in transportation networks. In this project…

A siren enhancer circuit is an electronic circuit, with which different types of siren generators such as UM66, UM3561, UM3481, etc. work in…

A microphone is an input device in any project, it is used to convert sound waves into electric waves or input the audio into any device lik…

Introduction The world is growing fast in terms of technology, and as it's growing, it's also getting wireless. From wireless phones to wire…

Introduction Learning grows when gets executed practically. It provides a person with a clear perspective of various things. So, to grasp th…

A multi-tone generator is often called a signal generator. A tone generator circuit is a simple electronic circuit, which has wide applicati…

LED flasher circuits are perhaps, the simplest way for electronics to say 'HELLO WORLD'. It is a simple electronic circuit that provides a v…

A Simple timer circuit is a crucial part of any electronic circuitry that introduces a set time delay in various switching devices. This del…

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