Halldor Stefansson

Halldor Stefansson

Italy
Hi! My name's Halldor and I am the creator of Engineer-A-Car. During the day I work as a software engineer, and by night I learn about cars.
Nov
05
Car Fundamentals: Engine

Car Fundamentals: Engine

Explore how car engines do their thing and learn what each part does.
7 min read
May
30
SPI Example with Arduino Uno and MKR WiFi 1010

SPI Example with Arduino Uno and MKR WiFi 1010

An example of communicating between an Arduino Uno and an Arduino MKR WiFi 1010 using the SPI protocol.
2 min read
May
21
Arduino Uno, pyboard and a buzzer

Simple UART Project Using pyboard and Arduino Uno

How to communicate between an Arduino Uno and a pyboard to start/stop playing music using the UART protocol
2 min read
May
07
I2C communication between Arduino Uno and Feather 32u4 with a distance sensor

I2C Communication Between Arduino Uno and Feather 32u4

An example of how to communicate between an Arduino Uno and an Adafruit Feather 32u4 using the I2C protocol.
2 min read
Apr
09
Motor Speed Control using an Arduino Uno

Motor Speed Control using an Arduino Uno

How to control the speed of your motor with an H-Bridge motor driver & Arduino Uno. Code and circuit diagram included.
2 min read
Mar
19
What is an ECU (Electronic Control Unit) in a car?

What is an ECU (Electronic Control Unit) in a car?

An ECU is a computer that figures out what a moving part, called an actuator, should do by looking at signals sent by different devices.
4 min read
Dec
18
Wi-Fi-Controlled Arduino Car Through a Regular Browser

Building a Wi-Fi-Controlled Arduino Car

This project uses the MKR WiFi 1010, an H-Bridge and a servo motor to control a car through a regular browser (e.g. Chrome, Firefox).
3 min read
Nov
13
Book Review: Inside the Machine by David Twohig

Book Review: Inside the Machine by David Twohig

Ever wondered what it's like to lead a project on a mass-production car for a big manufacturer? Well, I sure did... sort of
3 min read
Nov
01
Getting started with L9110H H-Bridge & Feather 32u4

Getting started with L9110H H-Bridge & Feather 32u4

How to start using the L9110H H-Bridge motor driver & Adafruit Feather 32u4. Code and circuit diagram included.
1 min read
Oct
15
Connecting a Distance Sensor to Your Robot Car

Connecting a Distance Sensor to Your Robot Car

How to add the HC-SR04 Ultrasonic Sonar Distance Sensor to your robot car project. Code and circuit diagram included.
3 min read