Hackaday

LED Matrix Clock Proudly Shows Its Inner Wiring

Some projects take great care to tuck away wire hookups, but not [Roberto Alsina]’s Reloj V2 clock. This desktop clock makes ...
Hackaday

led matrix

Some projects take great care to tuck away wire hookups, but not [Roberto Alsina]’s Reloj V2 clock. This desktop clock makes a point of exposing all components and wiring as part of its aesthetic.
GitHub

Arduino Ultrasonic Distance Sensor with Buzzer and LED Control

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...
GitHub

led_matrix.h

* @brief Initialize all frame patterns by expanding the bitmap font. * Must be called once before the main loop. void System_Init_Patterns(void); * @brief Send a full frame to the LED driver via SPI. ...
IEEE

A 7056-PPI Pixel Circuit With Low-Leakage Structure for Active-Matrix Monochrome Micro-LED Displays

Abstract: This work presents a 5T2C pixel circuit for active-matrix (AM) micro-displays in near-eye display applications. The circuit supports monochrome micro light-emitting diode (micro-LED) ...
IEEE

A Single-Chip Wafer-Level Packaged SR-Crossbar RF MEMS Switch Matrix

Abstract: This letter proposes a wafer-level packaged (WLP) single-chip sequential rotation Crossbar (SR-Crossbar) RF MEMS switch matrix, which has been fabricated and measured. Optimizations are ...