10 handy Arduino accessories for your next DIY project

The Arduino is a great way for hobbyists and pros alike to experiment with programmable objects, but it can be confusing for ...
Hackaday

Modded Lightbox Makes For Attractive LED Matrix Display

If you’ve been to a wedding or a downtown coffee shop in the last 10 years, you’ve probably seen those little lightboxes that are so popular these days. They consist of letters placed on a plastic ...
GitHub

Arduino library for 8x8 or smaller KeyPad connected to an I2C PCF8575.

The I2CKeyPad8x8 library implements the reading of a 8x8 keypad by means of a PCF8575. Smaller keypads, meaning less columns or rows (e.g. 5x4) can be read with it too. Sometimes you need to control ...
IEEE

An Analog PWM, Sweep Driver Enabling 240-Hz Frame-Rate Active-Matrix Micro-LED Displays

Abstract: A 9-bit sweep driver is proposed, enabling 240 Hz frame rate of a 4.5-inch active-matrix Micro-LED display with 160 × 90 resolution via analog pulse-width modulation (APWM). This sweep ...
GitHub

LED Keychain with CH32V003

This project is inspired by these two YouTube videos: first and second. But the main differences are that it uses CH32V003 microcontroller and all related files are open sourced too. You can also view ...