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I built this beautiful LED matrix display with an ESP32 for $30

In the world of smart homes, there are plenty of fantastic devices out there that can integrate well with Home Assistant and your other tools, and while dedicated sensors are great for their ...
Hackaday

FPGA Powers Blazingly Fast LED Matrix Audio Visualizer

[Sam Miller], [Sahil Gupta], and [Mashrur Mohiuddin] worked together on a very fast LED matrix display for their final project in ECE 5760 at Cornell University. Real time! They started, as any good ...
Hackaday

Big LED Matrix Becomes Tiny LED Matrix Thanks To Fiber Optics

Everyone loves LED matrices, and even if you can’t find what you like commercially, it’s pretty easy to make just what you want. Need it big? No problem; just order a big PCB and some WS2812s. Need ...
EDN

How-to design LED signage and LED matrix displays, Part 3

Part 1 of this three-part series introduced the technical and engineering steps necessary to design an LED display system from individual LED lamps. Part 2 provided the remaining steps needed to ...
Geeky Gadgets

FeatherWing Adafruit 8×16 LED Matrix Display Kit Arrives At Adafruit

Electronics enthusiasts that have been using the Adafruit FeatherWing ever expanding range of development boards which recently launched. Maybe interested in a new addition to the range in the form of ...
Electronic Design

Microcontroller Displays Voltage Measurements in Graphical and Digital Formats via Single LED Matrix

The algorithm in this microcontroller design this design drives an LED matrix and provides digital-voltage-readout and bar-like dot displays, showing dots for a graphical output if the input value is ...