Making nice looking projects help learning and fun in electronics. Simple Arduino-Powered Running LED Circle Circuit is one easy project. It uses Arduino to control LEDs in a circle. This project is simple and it teaches coding, circuit making and LED control. A 10k pot changes LED speed makes it fun to use. Code: Code […]
Simple Triangle Wave Generator Circuit using IC LM358
In this this article we will learn how the triangle wave goes up, down, then up again and then repeats the same. It is special wave made from small waves called harmonics. It shape look like triangle because small waves match like bricks. Harmonics in triangle wave get weak fast and is not strong like […]
Simple DIY Guide to a USB Desktop Lamp Circuit
Making USB lamp by ourselves is an fun hobby. We learn electronics by using hands and be creative. This circuit is good project for beginner or anyone who want to learn circuit. This Simple DIY Guide to a USB Desktop Lamp Circuit is a useful project to learn basic about electronic. USB lamp uses power […]
Hysteresis in Schmitt Trigger Circuit using IC 555
Schmitt Trigger is special type comparator. It gives stable switching even if input signal is noisy or slow. We can use 555 timer IC as Schmitt Trigger. This IC is used in many projects. Schmitt Trigger can give two types of output : normal (non-inverting) and inverted square wave. Next we will learn how to […]
Simple Magnet Polarity Detector Circuit using Hall Effect Sensor
Simple Magnet Polarity Detector Circuit using Hall Effect Sensor is important for things like motor control, measuring magnetic field and for teaching. This article show how to use APX9141 Hall Effect sensor to make easy and working magnet polarity detector. Red and blue LEDs show magnet north and south poles and it gives simple visual […]
Simple Arduino FM Receiver Circuit
This project uses Arduino Uno to make Simple Arduino FM Receiver Circuit. Main part is RDA5807M FM radio module. It get FM signal and changes to audio sound. Sound goes through 7809 IC to make louder and then comes out from 3.5mm audio jack. We can listen FM stations and learn basic digital electronics and […]