Here is a tutorial for a water-level controller circuit with a buzzer. This project is simple and useful, the circuit is completely automatic. It controls a water pump and provides an alarm through the help … 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.
The two-level temperature switch measures two different temperature ranges. After that, the relay turns ON/OFF corresponding to the temperature level. Furthermore, the circuit includes IC LM358, transistors, diodes, and relays. Hardware Components The following components … Read more
Two-level Temperature Switch Circuit with LM358
In this tutorial, we are making a wireless movement monitor circuit. This circuit is based on a pendulum system and it will monitor large objects and notify you wirelessly from a distance of up to … Read more
Wireless Movement Monitor with Timer IC
The four-level temperature indicator is a circuit that represents different temperature levels through the lighting of four different LEDs. The project involves the IC LM324 as its main component. Hardware Required S.no Component Value Qty … Read more
Four-Level Temperature Indicator Circuit Using LM324
What is an Optocoupler Tester? An optocoupler is a simple electronic component that is used to connect separate circuits together by the means of a light sensitive optical interface. An optocoupler or optoisolator consists of … Read more
How To Make an Optocoupler Tester Circuit At Home
The high / over temperature sensor or detector alarm is a circuit that senses the temperature of the circuit and activates the alarm and flashes the LED when the temperature rises above normal. Thermocouples or … Read more
High / Over Temperature Sensor Alarm
In this tutorial, we are making a project on the wireless temperature sensor circuit. It is a very interesting and useful project for detecting the temperature of any remote place. You can easily detect the … Read more
Wireless Temperature Sensor with Thermistor
In this tutorial, we are making a project Sensitive moisture sensor. This circuit is versatile and very sensitive, it can be used to detect moisture in substances like floors, walls, soil, etc. Normally, in moisture … Read more
Sensitive Moisture Sensor using 2n4401 Transistors
Today we are going to demonstrate a project on a Temperature sensor relay switch circuit. This is just like a normal heat or temperature sensor with a relay so whenever the circuit will receive heat … Read more
Temperature Sensor Relay Switch Circuit
In this tutorial, we are making a simple project of Water Or Liquid Level Sensor Relay Switch. This circuit will switch on or off electronic appliances at the desired level of water. It detects the … Read more
Water Or Liquid Level Sensor Relay Switch
In this tutorial, we are making a project on a moisture-level LED meter circuit. This circuit senses and measures humidity or moisture levels in plants, wood, floor, soil, wall, etc. you can buy different moisture … Read more
Moisture Level LED Meter with single Transistor
In this tutorial, we are making an easy and useful project of a temperature sensor LED meter circuit. This circuit senses high and low-temperature levels and gives a visual indication through LEDs. We have used … Read more
Temperature Sensor LED Meter using 2n4401 Transistor
Today we are going to demonstrate a very useful project of a Wireless water level indicator circuit. This circuit will detect the water level for different containers and act as an alarm. One of the … Read more
Wireless Water Level Indicator with BC547
Here is an interesting project of a very sensitive, reliable, and low-cost temperature sensor using a diode (1N4007). It must be unusual for you to hear that a diode performing a temperature sensing task, but … Read more
Temperature Sensor Using 1n4007 Diodes
Today we are going to demonstrate one of the easiest heat or temperature sensor alarms. The most interesting feature of this circuit is that it gives visual as well as sound indications when the temperature … Read more
Heat / Temperature Sensor Alarm using NE555
In this tutorial, we are making an automatic plant watering/irrigation control circuit. This circuit is used for automatically water your plants, garden, etc. usually we don’t have time or we forget watering our plants and … Read more