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Image of Intro to ROS Part 12: Talking to Microcontrollers
TUTORIAL

Intro to ROS Part 12: Talking to Microcontrollers

By ShawnHymel

In this tutorial, we’ll demonstrate how to set up a communication channel between a ROS 2 node running on a Raspberry Pi and an Arduino-compatible microcontroller to control a simple robot.

Image of How Do Slip Rings Work
TUTORIAL

How Do Slip Rings Work

By Andrew Kazour

Learn how slip rings enable continuous electrical connection between stationary and rotating parts using conductive rings and brushes.

Image of How Hardware Gets Hacked (Part 1)
BLOG

How Hardware Gets Hacked (Part 1)

By Nathan Jones

Learn how embedded systems face physical attacks, key fob risks, competition challenges, and common weaknesses in hardware security.

Image of DIY Ambient Light Indicator
TUTORIAL

DIY Ambient Light Indicator

By SparkFun Electronics

In this tutorial, we’ll walk through how to use the SparkFun Ambient Light Sensor - VEML7700 (Qwiic) to accurately detect the brightness of your surroundings.

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Thomas Perry

Skills:

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MAKER
Image of Introduction to LiDAR Sensors for Precise DIY Robot Navigation
TUTORIAL

Introduction to LiDAR Sensors for Precise DIY Robot Navigation

By Zach Hipps

Learn how LiDAR enables precise 360° scanning, high-speed sampling, long-range detection, and simple integration for robotics and maker projects.

PROJECT

Sending BLE Air Quality Data to Arduino Cloud Using BleuIO

By Sheikh Shuhad

Sending BLE Air Quality Data to Arduino Cloud Using BleuIO

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Martin May

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MAKER
PROJECT
13

CrunchLabs – Hack Pack – HACKED!!

By Kevin Walseth

Boost your Hack Pack sand garden with ESP32 lighting, WLED controls, presets, and creative animations for a more dynamic illuminated project.

PROJECT
13

FPGA order book

By Mustahsin Zarif

Learn how to implement a bid/ask order book on an FPGA using SystemVerilog arrays to maintain best-bid and best-ask values.

PROJECT
11

How to make simple Variable HIGH VOLTAGE Power Supply

By Mirko Pavleski

Build a simple yet effective variable high voltage power supply using affordable components, offering precise control for high-voltage experiments.

PROJECT
37

Holiday Lights: Easy DIY Christmas Wreath & Garland with WLED

By Adafruit Industries

Use WLED and pebble pixels to brighten your home this holiday season.