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glowing ghosts project using circuits STEM education electronics halloween diy

Glowing Ghost Project for Halloween (DIY)

BOOOOOO! Scare your friends with this Glowing Ghost project using electronics and circuits. Using an electrical schematic, we’ll create a circuit that automatically lights up the ghost when it’s dark. Build yours today. Limited Glowing Ghost kits are available!

difference between IR sensor and ultrasonic sensor

IR Sensor vs. Ultrasonic Sensor: What is the difference?

Are you looking for a way to measure distances? Then you’re probably going to want to use an IR sensor or an Ultrasonic sensor. Which one is better? How do you decide which one to use? Find out that and more in this article! We’ll explore both of these sensors and provide some examples of how to apply them in your next project.

make your own custom pcbs from circuits

Create a PCB (Printed Circuit Board) Online

In this article, you’ll learn how to create and manufacture your own custom PCBs (Printed Circuit Boards) from start to finish. Improve your skills with this career-focused step-by-step electrical engineering tutorial.

difference between npn and pnp

What is the difference between PNP and NPN?

Here on the blog, we spend a lot of time working with 5 VDC sensors and controllers (Arduino, for example). And, a lot of that knowledge is a great primer for getting into Industrial Controllers like PLC’s (Programmable Logic Controllers). However, when you start working with PLC’s and 24 VDC sensors you have to follow […]

bme280 arduino tutorial

BME280 Sensor with Arduino Tutorial

In this article we will learn about another popular sensor in the market known as the BME280. Developed by Bosch, the BME280 is an integrated environment sensor for mobile applications. It is a barometric sensor which can provide Temperature, Pressure and Humidity data quite accurately. Today we will learn more about this cool sensor and […]

OLED display Arduino tutorial

OLED Display with Arduino Tutorial

In this tutorial I will show you how to use an OLED Display with Arduino. There are several types of displays available in the market, namely: LCD (Liquid Crystal Display), LED, OLED (Organic LED) and eInk display. LCD and OLED are the most common ones. In this post we will learn how to use OLED […]

surface mount soldering cover photo

How To Surface Mount Solder in 3 Steps

I’ve been doing a lot of circuit work these days and wanted to share with you my methodology for surface mount soldering. This tutorial is meant to show you how to surface mount solder in three steps. It’s the guide I wish I had to outline the process of going from IC in its raw […]

How to Record a Push Button Sequence with Arduino

There are many feats of learning Arduino. Besides plugging in your board and downloading the “blink” sketch, it’s important to learn more about digital inputs. The epitome of digital inputs is push buttons. Push buttons are used for a variety of applications to trigger events. In this tutorial, we’re going to explore how to record […]

Line Following Robot no programming

How to Build a Robot Line Follower without a Controller

In this tutorial I will show you how to make a simple line follower robot. Normally these type of robots use microcontrollers and complex logic to track and follow line. But today I will be showing you how you can make a simple line follower without a microcontroller. Before we start making the robot, let’s […]

Motor Controller Mobile Robot

Motor Controller Raspberry Pi & Arduino Configurations

If you’re anything like me, then you enjoy building mobile robots. As I’m sure you’re aware, mobile robots are comprised of 5 parts: chassis, motors, controllers, sensors, and power. To cover three of these groups, you’ll need to properly wire the motors to the controllers (motor and master) and then add your power supply. It’s […]

Weather Station using Arduino and NodeMCU Tutorial

Simple Weather Station Without Sensors

Have you ever wanted to make a simple weather station to see current weather condition? Do you have a YouTube Channel and want to gather the number of subscribers and the view count? Then, you’ll want to stick around for this tutorial. A lot of tutorials use various sensors and devices to get the data. But […]

Arduino Hanukkah Menorah (Full Tutorial)

The holiday season is in full swing, and what better way to celebrate than with some robotics and prototyping! Regardless of what religion you believe in, these projects are designed to help you build technical and programming skills. We’ll be creating projects for celebrations around the world, so feel free to send us your holiday […]

Arduino L298N motor code

How to Program the L298N with Arduino

If you’ve ever tried to build a mobile robot, then you’ll need to learn how to program motor controllers. In our Beginner Bots tutorials, we use the L298N motor controller with the Arduino Uno to drive four motors. You can pick up a Smart Robot Car and follow along with this article if you’d like! […]

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