Arduino

Teaching Design for Open Source Hardware Project Design

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Teaching Design for Open Source Hardware Project Design

Guangdong Education Edition High School Information Technology Mandatory Course 1 “Data and Computing” Guangdong Education Edition High School Information Technology Mandatory Course 2 “Information Systems and Society” Guangdong Education Edition High School Information Technology Elective Course 1 “Data and Data Structures” Guangdong Education Edition High School Information Technology Elective Course 2 “Network Basics” Lesson Plan … Read more

Build a Simple Mecanum Wheel Robot from Scratch

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Build a Simple Mecanum Wheel Robot from Scratch

1. Preparation The Mecanum wheel robot is a type of robot that can achieve omnidirectional movement, with its core being the specially designed Mecanum wheels. To build a Mecanum wheel robot from scratch, you may need to prepare the following components and tools: 1. Materials and Components Mecanum Wheels: Choose Mecanum wheels of the appropriate … Read more

How to Build a GPS-Enabled E-Paper Clock

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How to Build a GPS-Enabled E-Paper Clock

MAKER: mattwach／Translated by: 趣无尽 The combination of an e-paper display with any frame creates a classic look. Its unique nostalgic quality ensures that the display works created with it remain timeless. Previously, we introduced an e-paper photo frame: it can display one classic film for an entire year using a black-and-white frame display. Today, we … Read more

Create a Colorful Glowing Cube Based on Raspberry Pi RP2040

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Create a Colorful Glowing Cube Based on Raspberry Pi RP2040

MAKER:DIY GUY Chris／Translated by: 趣无尽 The six faces of this colorful glowing cube are made up of a 5 X 5 WS2812 LED matrix, with each face connected through reserved soldering points. Each matrix plane is driven by an RP2040 chip, and theoretically, you can enlarge this cube and increase the number of cubes to … Read more

Why Is There Only 1.5V on My 3.3V Power Pin?

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Why Is There Only 1.5V on My 3.3V Power Pin?

A few days ago, a frustrating problem left me quite unhappy.The final solution was simple, but the problem itself had me deep in thought. I thought it was time to tidy up the messy breadboard circuit, as all the issues began at that point. (Note: These circuits are mainly used to drive my Cunning Chronograph). … Read more

DIY Piezoelectric Trigger Switch Circuit

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DIY Piezoelectric Trigger Switch Circuit

The piezoelectric trigger switch circuit described here is a microcontroller-compatible impact sensor switch module operating on a 5V DC power supply. The entire circuit can be assembled on a standard 5×7 cm circuit board. The piezoelectric ceramic element (Pz1) can also be easily mounted on the PCB. This module provides a “logic” (H) output when … Read more

Design of a Dual-Inertial Guidance Pedestrian Navigation Hardware System with Foot Distance Assistance

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Design of a Dual-Inertial Guidance Pedestrian Navigation Hardware System with Foot Distance Assistance

Abstract: In response to the application demands for high-precision indoor autonomous navigation and positioning for pedestrians, a wearable human motion measurement device prototype integrating Arduino and the Xsens Awinda inertial measurement suite has been designed. This system is easy to wear and highly reliable, achieving synchronous measurement of dual-foot IMU information and foot distance, supporting … Read more

When Lego Meets Arduino: Bluetooth Control for Proximity Control

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When Lego Meets Arduino: Bluetooth Control for Proximity Control

A long time ago, in Denmark, there was a king named Harald Blatand, who unified the constantly quarreling tribes of Denmark into a complete nation. The king had a nickname called “blátǫnn,” which translates to Bluetooth in English. In ancient Nordic runes, the initials of the king’s name ‘H’ and ‘B’ are written differently than … Read more

Using Wire to Create a Circuit Board: An Innovative Approach

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Using Wire to Create a Circuit Board: An Innovative Approach

PCB Network News Sharing an interesting piece of information: using wire to create a “circuit board”. I hope it inspires colleagues in the industry. What is Freeduino? It is an Arduino UNO board without any circuit board. It interconnects components using a technique called freeform, utilizing wires or copper instead of a circuit board. It … Read more

Creating a Two-Way Anti-Loss Device Based on Arduino

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Creating a Two-Way Anti-Loss Device Based on Arduino

This article is sourced from “Invention and Innovation” March 2024 issue At home, my mom often can’t find her phone. Every time, I have to use the search function on my dad’s phone to locate her phone and make it sound. Whenever she can’t find the TV remote, she always says, “If only the remote … Read more