In this tutorial, we are making a very simple project of an Infrared Detector Circuit that detects infrared light. This circuit is using only three components an RS-276-145 phototransistors, 330Ω resistor, and a LED (Light … 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 most commonly used component in electronics is a Transistor and it keeps failing. You have to check the working of the transistor through the multimeter. By testing one terminal after another which can be … Read more
Simple Transistor Tester Circuit
In this tutorial, we are making a project of a Super sensitive static electricity detector. After detecting any static electricity around, this circuit will activate an LED and a relay switch. Any AC or DC … Read more
Sensitive Static Electricity Detector Switch
In this tutorial, we are making an IR Remote tester circuit with an Alarm. There are a lot of devices around us that are controlled through IR remotes like TVs, media players, etc Different kinds … Read more
IR Remote Tester with Alarm using TSOP1738
In this tutorial, we are making a project on a VU meter circuit. A volume unit or VU meter is a device that shows the audio level in audio devices from which a user can … Read more
Simple VU Meter using 2N3904 Transistor
In this tutorial, we are making a very useful and easy project for a Non-contact AC voltage detector. This circuit will blink an LED and make a sound (beep-beep) when any AC field is detected. … Read more
Non-Contact AC Voltage Detector using 2N3819 MOSFET
In this tutorial, we are making a project on the knock sensor circuit. This circuit is used to detect the door or table knocking and then activates the relay for a specific preset time. Any … Read more
Knock Sensor Circuit using Piezoelectric
In this tutorial, we are making an interesting and simple project of a Static electricity detector. This circuit is highly sensitive and is able to detect static charge in any substance at a 2-3 feet … Read more
Static Electricity Detector using 2N3819 MOSFET
Nowadays the uses of AC wires are pretty common whether it’s our homes, offices, or workplaces. these wires have a tendency to get damaged from the inside due to which the whole system stops working. … Read more
Electric Field Detector using CA3140 IC
In this tutorial, we are making a super-sensitive vibration sensor switch circuit. This circuit will sense the vibration and sound around it and switch on the relay. Any AC or DC appliance connected with the … Read more
Super Sensitive Vibration Sensor using Transistors
The article presents a project of an “LED thermometer with a selectable temperature switch”. However, a thermometer is a device that estimates “temperature” or a “temperature gradient”. It is likewise the level of “coldness” or … Read more
LED Thermometer with Selectable Temperature Switch
In this DIY, we are developing a project of a “Digital Variable Resistor”. A digital variable resistor has a similar function as a typical “potentiometer” however rather than mechanical activity, it utilizes advanced switches and … Read more
Digital Variable Resistor using NE555 & CD4017 IC
In this tutorial, we are demonstrating the project of the “Simple Motion Sensor Doorbell”. Motion Sensor Doorbell is the essential development of the home security arrangement. All things considered, this extra layer of security gives … Read more
Simple PIR Motion Sensor Doorbell with 2N4401 Transistor
In this DIY, we are developing a “time delay switch” using CD4011. CD4011 is a versatile IC and utilizes a wide range of purposes. It is a “CMOS IC” that worked with the NAND logic … Read more
Simple Time Delay Switch Using CD4011
In this circuit, we are going to develop a “Power Outage Time Estimator”. Power outages are due to freezing rain, hail storms, and additionally high breezes that harm electrical cables and equipment. Most power outages … Read more
Power Outage Time Estimator using 555 Timer & PC817
In this DIY, we are making a “Simple Remote Tester”. This “simple remote tester” can be a useful instrument to check whether a remote is working or not. It utilizes the easily accessible IR sensor … Read more