December 22, 2021
connecting volume pod to arduino

The Basics of Arduino: Reading Voltage

Originally published by Mar 31, 2020 This article was translated to English, and was originally published for deviceplus.jp. Table of Contents Introduction Convert analog values to […]
December 15, 2021
Symbols for schottky-diode

Differences between a diode and a Schottky barrier diode

There are various types of diodes (electronic components that need to be used properly according to their locations and applications). For example, Schottky barrier diodes are […]
December 15, 2021
BD63521EFV

Designing a Simple and User-Friendly Stepper Motor Driver (Open Source) Using ROHM’s BD63521EFV Chip

About the Author Liu Ming A happy senior engineer! Making a career out of a hobby makes me feel fulfilled and happy. Mechatronics, automatic control, embedding, […]
December 1, 2021

Let’s make a “Wake Up Alarm Clock” with ESP32 and RTC!

Originally published by Dec 3, 2019 This article was translated to English, and was originally published for deviceplus.jp. Table of Contents Introduction About the ESP32 alarm […]
November 12, 2021
How to detect motion in your Arduino with an accelerometer

How to detect motion in your Arduino with an accelerometer

Your phone has an accelerometer in it that lets it measure acceleration in different directions, which can help the phone determine its own orientation. You can […]
October 14, 2021
Arduino Communication Protocols Tutorial

Arduino Communication Protocols Tutorial

Originally published by Nov 29, 2016 Table of Contents Binary and Number Systems 3 protocols for device communication: UART, SPI, and I2C 1. UART Communication Protocol […]
October 13, 2021
ATtiny85 microcontroller

Using a Raspberry Pi to Program an ATtiny85

Raspberry Pi and Arduino, what an iconic pair. The Pi brings gigahertz of processing heft, a ton of memory, and can interact with computer networks and […]
October 12, 2021
How to Build a DIY Drone

How to Build a DIY Drone from Scratch Part 2: Using Arduino Nano as a Flight Controller

Originally published by Mar 25, 2019 Table of Contents How to Build a DIY Drone: Overview DIY Arduino Drone Components Step 1: Assembling Your Drone Step […]
September 9, 2021
How to connect your Arduino to Wi-Fi

How to connect your Arduino to Wi-Fi

Most of the devices you own can connect to Wi-Fi, but your Arduino sits on its lonesome. If you want to add Wi-Fi to Arduino projects, […]
September 9, 2021
Display characters with LEDs

Display characters with LEDs! How to use a matrix LED

Dot matrix LEDs are standard electronic components for electronics kits. Using these components, you can control a large number of LEDs with just a small number […]
August 29, 2021
LED circuit

The Basics of Arduino: Adjusting LED Brightness

Originally published by Feb 5, 2020 Table of Contents Introduction Brightness cannot be digitally adjusted Changing LED brightness using digital output Adjusting brightness with PWM Making […]
August 29, 2021
arduino preprocessor

Arduino Preprocessor Directives Tutorial

Originally published by Jun 6, 2017 Table of Contents Introduction What do I need to get started? How it works After you press “Upload” Preprocessor basics […]