op-amp
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EWskills Launches EWsim.io - A Free Browser-Based Circuit Simulator Pune, India — July 2026. EWskills, the Industry focused skill-building platform for electronics and embedded engineers, has announced the launch of EWsim.io, a browser-based mixed-signal circuit simulator that executes microcontroller firmware. The tool is free to use, requires no installation, and is aimed at Engineers, students, educators, hobbyists, and Makers.Developed by the team behind… |
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Mind Link: A DIY Brain-Computer Interface Built from Scratch Creator, AstroSam, built a functional prototype of a brain-computer interface (BCI), called Mind Link. It reads brain signals from a simulated 32-electrode array and sends them to a computer to visualize right away and possibly process later. The build combines custom PCBs, firmware, and magnetic connectors. The project is open-source and documented from scratch. The system consists of… |
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TSB952: High-Performance Dual Operational Amplifier for Industrial and Automotive Applications STMicroelectronics has introduced the TSB952, a dual operational amplifier (op amp) that features a 52MHz gain-bandwidth and a supply current of 3.3mA per channel at 36V. This op amp is designed for power-efficient applications. The TSB952 supports a wide supply voltage range of 4.5V to 36V, allowing it to work with various power sources, including standard industry… |
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Measuring Turbidity of Water to Determine Water Quality using Arduino and Turbidity Sensor When it comes to liquids, turbidity is an important term. It plays an important role in liquid dynamics and is also used to measure water quality. Monitoring the quality of water is becoming increasingly necessary these days. So in this tutorial, let's discuss what turbidity is, and how to build the turbidity sensor Arduino. If you want to take this project further… |
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How a KY-038 Sound Sensor works and how to Interface it with ESP32? Want to give your project a sense of sound! Then follow along because in this project, we are interfacing a sound sensor to build some interesting projects with it. The KY-038 sound sensor we are using uses a condenser-type microphone to detect sound waves, which gives us a perfect balance of stability and reliability. So in this article, we decided to interface… |
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18650 Lithium Battery Capacity Tester using Arduino With the advent of technology, our electronic gadgets and appliances are becoming smaller and smaller with more functional and complex applications. With this increase in complexity, the power requirement of the circuit has also increased and in our quest to make the device as small and as portable as possible, we need a battery which can provide high current for a long… |
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Implementing Schmitt Triggers using Op-Amp One of the main applications for Schmitt triggers is interfacing signals between Analog electronics and Digital electronics, and translating levels within different logic families. One major problem encountered during this process is the pickup of noise. Digital signals are inherently fast because they deal with high frequencies and fast-… |
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Design and Build a Simple Bistable Multivibrator Circuit Using Op-amp The bistable multivibrator is one of those basic circuits which you might have learnt about in your high school or college, and you probably have built one with 555 timers or with discrete components like OP-amp, transistors, or resistors. These circuits are often viewed as simple educational circuits, but not so surprising they are also used in practical designs… |
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Astable Multivibrator Circuit Using Op-amp The multivibrator circuit is very popular and useful in the field of electronics, and it’s the most basic circuit that you will know about while learning basic electronics. The multivibrator circuit can be divided into two categories: the first one is known as the monostable multivibrator, and the second one is known as the astable multivibrator. But in this project, we will… |
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Zero-Crossing Detector Circuit A zero-crossing detector circuit is a useful application of an op-amp as a comparator. This electronic circuit precisely identifies when an AC waveform transitions through zero voltage, tracking the changes in the sine waveform from positive to negative or vice versa while it crosses zero voltage. It can also be used as a square wave generator. They have many… |
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How to Design and Build a Simple Monostable Multivibrator Circuit using Op-amp An operational amplifier or Op-amp is one of the most commonly used components in any electronic design. It’s a very versatile device that can be used for a wide variety of applications. In our previous projects, we put the op-amps capabilities to the test by making a ton of projects with it, you can check those out if you want to explore more on the topic. We have also… |
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230V AC Mains Over Voltage Protection Circuit Most of the power supply these days are very reliable due to advancement in technology and better design preferences, but there is always a chance of failure due to a manufacturing defect or it can be the main switching transistor or the MOSFET going bad. Also, there is a possibility that it may fail due to overvoltage at the input, though protection devices like Metal Oxide… |
