In this tutorial, we are making a project on a Temperature alarm circuit. This circuit activates a buzzer alarm when it receives or senses heat, therefore you can also call this circuit a heat alarm … Read more
Test and Measurement Circuits
Welcome to our comprehensive collection of test and measurement circuits, designed to ensure accuracy and reliability in your electronic projects. Whether you’re a hobbyist, student, or professional engineer, our range of circuits offers versatile solutions for testing and measuring various parameters such as voltage, current, resistance, and frequency. Explore circuit designs for multimeters, oscilloscopes, function generators, and more, equipped with features such as precision accuracy, real-time monitoring, and data logging capabilities. Our detailed guides, tutorials, and circuit diagrams provide step-by-step instructions, calibration tips, and best practices for building and utilizing test and measurement circuits effectively. Enhance your testing capabilities and optimize performance with our curated selection of high-quality test and measurement circuit.
In this tutorial, we are making a project of a Simple temperature sensor circuit. This circuit activates an LED when it senses or receives heat so you can also call this circuit a heat sensor … Read more
Temperature Sensor Circuit using Thermistor
In this tutorial, we are making an efficient and useful project of heat sensor with LM741 IC. It activates a relay switch on the level that can be set beforehand according to your desired level … Read more
Heat Sensor Circuit using LM741 IC
In this tutorial, we are making a project on a Cold sensor switch. This circuit is very sensitive and can easily be used to sense cold or low temperature, it can activate any device connected … Read more
Cold Sensor Switch using NTC Thermistor
In this tutorial, we are making a moisture sensor switch circuit. This is one of the simplest circuits of a moisture sensor that can be used to switch on any equipment on a certain level … Read more
Moisture Sensor Switch using 2n4401 Transistor
In this tutorial, we are making a circuit of a Rain detector switch using a relay. It prevents your electronic appliances outside your house from short-circuiting and damaging by automatically switching them off when rainfall … Read more
Rain Detector Switch Using Relay
In this tutorial, we are going to make a Plant watering watcher or Dry soil detector. Not all of us remember watering the plants and as we all are aware of the fact that if … Read more
Plant Watering Watcher Or Dry Soil Detector
In this tutorial, we are going to make a Moisture sensor circuit. These circuits are useful for everyday life as well as some electronic projects. It is a simple musical alarm circuit that produces a … Read more
Moisture Sensor Alarm using 2N2222 Transistor
While making different electronic projects you need to pick crystals of the right frequency. In order to do that you need a Crystal Tester Circuit that we are about to demonstrate. A crystal tester circuit … Read more
Crystal Tester Circuit using BC548 Transistor
In this tutorial, we are going to make a capacitance meter. It is mainly used to measure the value of capacitors obtained after dismantling electronic appliances. You can find a good quality capacitor but their … Read more
Simple Capacitance Meter using CD4093 IC
All the equipment used in electronics is prone to faults and defects. And much of this equipment contains a bunch of wires, finding faults in them could be a little difficult. We can make a … Read more
Simple Continuity Tester Circuit
Water overflow is a common problem that everyone faces and it eventually leads to the wastage of water. There are a lot of solutions to this problem such as ball valves etc. But you can … Read more
Simple Water Level Buzzer Indicator
IR or infrared radiations are electromagnetic radiation having wavelengths longer than those of other visible lights. Even though our eyes are very sensitive to light but we can not see IR radiations. Therefore it is … Read more
IR Detector Circuit using L14G2 Phototransistor
We all have overhead tanks in our houses for storing water and it makes it difficult to identify the level of water. This can lead to some difficulties or overflow of water which wastes your … Read more
Water Level Alarm Circuit using BC547 NPN Transistor
Plants are an important part of our lives and they need extra care and attention like all other living things. If they are not watered properly they die. All you need to do is check … Read more
Plant Soil Moisture Tester Circuit using BC547 Transistor
In this tutorial, we are making a Remote tester circuit. We all are familiar with our TVs, DVD players, music systems, and many other devices that are controlled through IR Remotes. There are different types … Read more