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TUTORIAL

First FPGA Project - Getting Fancy with PWM

By SparkFun Electronics

When you first buy an Alchitry Au+, Alchitry Au, or Alchitry Cu board, the default FPGA configuration creates a fancy wave effect on the LEDs. In this tutorial we are going to walk through different steps for how to make something like this.

PROJECT

Build a Low-Cost Function Generator with Frequency Meter for Your Lab

By Mirko Pavleski

Cheap and Easy-to-build function generator which delivers professional performance with sine, triangle, and square waveforms.

Hayden Gallant

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MAKER
TUTORIAL

How does a CoreXY Gantry System Work?

By Andrew Kazour

Learn how CoreXY uses crossed belts and two motors to move payloads with speed, precision, and reduced mass compared to Cartesian systems.

Henry Bass

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MAKER
BLOG
10

Reversing the Polarity on LiPo Battery JST Connectors

By PTSolns

The 2-Pin JST-PH 2.0 connector is found on many LiPo batteries used in hobby drones, RC cars and toys, and of course, electrical boards and modules. These are handy little connectors, but there is one problem - the polarity convention.

BLOG

Thermal Response of Microcontrollers During Deep Sleep and Active Modes

By PTSolns

Thermal imaging reveals how microcontrollers behave in deep sleep vs active mode. See why the ESP32 microWatt outperforms for battery-powered applications.

PROJECT

Giving Life to an OLD Digit Display

By PTSolns

Exploring a vintage single digit seven segment display with an Arduino Nano Flip. Mapping segments and running counting and chase light modes for fun.

PROJECT

Ambient-Adaptive BLE Particulate Monitor (PM1.0 / PM2.5 / PM10)

By Sheikh Shuhad

Ambient-Adaptive BLE Particulate matter Monitor

PROJECT

Mystical LED Halloween Hood

By Adafruit Industries

Create glowing eyes for your costume! This project is ideal for any character with glowing eyes, like the Black Mage from Final Fantasy, Jawa from Star Wars, or Orko from He-Man.

Sebastian Mo

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MAKER
VIDEO

Donald Bell Maker Update: Built for Speed

By Maker.io Staff

This week on Maker Update, making the world’s fastest drone, a convenient cage for your soul, a deluxe beetle, and the return of the EggBot.