Potentiometers and Variable Resistors: A Complete Guide
Whether you’re adjusting the volume on a speaker, dimming a light, or varying the speed of a motor, one essential component often comes into play: the potentiometer. It is also known as a variable resistor. This component allows you to…
Non-Inverting Operational Amplifier (Op-amp) Circuit
Operational amplifiers (Op-Amps) are integral electronic components with various applications, including mathematical operations such as addition, subtraction, integration, and differentiation. They are characterized by their linear behavior and nearly ideal DC amplification properties, making them essential for signal processing and…
LM386-Based Audio Amplifier
Description
This version of the LM386-based audio amplifier offers low noise, minimal distortion, and efficient power consumption. It operates within a 4V – 12V DC voltage supply and is capable of delivering a clean power output of 700mW.
The amplifier…
3D Printed Enclosure for the Electronic Parts of a Conveyor System
Introduction
Additive manufacturing or 3D printing, is a process of creating the desired objects or parts by building them layer by layer from a digital model.
Using additive manufacturing principles, this project aims to design a 3D printed enclosure for…
Simple I/O Board for LabJack
Description
LabJack is a device that provides analog inputs/outputs, digital inputs/outputs, and more that you can use in a computer-based instrumentation and control system. For example, suppose you want to create a computer-based project that collects data from various sensors…
LED Bar Graph Meter Utilizing the LM324 Opamp
Design Goals
The diagram provided shows an LED bar graph meter circuit that utilizes operational amplifiers. The objective of this project is to design the PCB board for the circuit using EAGLE software and physically construct it. The process involves…
How to Become Good at Electronics: A Comprehensive Guide
Electronics is a cool field that has totally changed the way we live and work. From basic circuits to super complex systems, electronics are a big part of our lives.
If you’re interested in learning electronics or electricity and becoming…
Parity Checker Circuit
I made this project as an Electronics Engineering Technician (EEN) student in my digital electronics course. I enjoyed working on it and learned a lot of things. Here, I provided an overview of how I made this simple yet fascinating…
How to Measure Voltage, Current, and Resistance in a Circuit
A multimeter is a device specifically designed to measure the voltage drop, resistance, and amperage of electrical current in a circuit.
Although an oscilloscope can be used to measure these parameters, its primary function is to visualize and analyze the…
The Current, Voltage, and Resistance Relationship
Current, voltage, and resistance are the three important electronics concepts that form the foundation of understanding how circuits operate. Current represents the flow of electric charge through a conductor, voltage is the electrical potential difference that drives this flow, and…