EDN

Big 7-Segment LED with SPI Interfacing

The project is utilizing cheap dot LEDs to create a big LED with an interface through SPI and can be expandable for multiple digits with only three wires for receiving data from any microcontroller ...
Hackaday

seven segment LED

[Chris Combs] recently took the wraps off of an incredible art piece that he calls Road Ahead which uses 336 seven segment LED digits to create an absolutely gorgeous display. With a piece of smoked ...
EDN

Implementing Adaptive Brightness Control to Seven Segment LED Displays

Adaptive brightness control has become a common feature in modern smartphones, HDTVs, PDAs, tablets, and computer screens. The goal of this feature is to conserve power as well as to make the display ...
Electronic Design

Drive Large 7-Segment LED Displays Using Only 1 Or 2 MCU Pins

Many options exist to drive seven-segment LED displays, but most are limited to low output currents. The approach described here uses one 74ALS374 or 74AS374 octal latch, wired as a shift register, ...
Geeky Gadgets

Awesome DIY digital clock constructed from 144 x 7 segment displays

Reddit user Krukerfluk has created an awesome DIY digital clock using 144 x seven segment displays, combining them to create a larger LED display powered by an Arduino Nano. The small Arduino ...
Electronic Design

Seven Segment LED Can Take The Heat

For high-heat environments, the QuasarBrite seven-segment numeric LED displays operate in temperatures up to 105°C. The 0.25W displays are available in sizes with 0.28” to 4” character heights and are ...