A pulse frequency counter, which calculates a signals frequency in hertz (Hz), is a crucial instrument in electronics. The development of microcontrollers such as the Arduino has made the process of creating a frequency counter more readily available and economical. This article describes how to use an Arduino Uno and a few other parts to […]
Simple Arduino-Powered Running LED Circle Circuit
Developing visually attractive projects may greatly improve learning and engagement in the field of electronics. Circle Running LED is one such project that uses an Arduino microcontroller to operate a series of LEDs placed in a circle. This project is not only simple to make but also gives insights into programming, circuit design and LED […]
Simple Triangle Wave Generator Circuit using IC LM358
A triangle wave is one that rises, falls, rises again, and so on. It is a unique type of wave composed of harmonics, which are smaller waves. The triangular shape is formed by stacking these smaller waves, which are similar to building bricks. The harmonics of a triangle wave weaken far more quickly than those […]
Simple DIY Guide to a USB Desktop Lamp Circuit
Building your own USB desktop lamp circuit is a fulfilling hobby that blends electronics, practical knowledge, and creativity. This project offers an excellent opportunity to master the fundamentals of electronics while creating a useful and fashionable light source, regardless of your level of experience with building or desire to learn more about circuits. Any USB […]
Hysteresis in Schmitt Trigger Circuit using IC 555
Hysteresis is a feature of the Schmitt Trigger comparator circuit type, which offers reliable switching properties even in the face of noise or slowly transitioning input signals. It is possible to set up the IC 555 timer, which is widely used in many different applications, to act as a Schmitt trigger. Both non-inverting and inverse […]
Simple Magnet Polarity Detector Circuit using Hall Effect Sensor
In many applications, such as motor control, magnetic field measurement, and instructional presentations, magnet polarity detection is essential. This article explains how to use the APX9141 Hall Effect sensor to create a simple and reliable magnet polarity detector circuit. The red and blue LEDs in the circuit represent the north and south poles of a […]