Adaptive brightness control for seven segment LED displays

Raj made a temperature and relative humidity meter to demonstrate adaptive brightness control on a seven segment LCD. The system uses a LDR light sensor in a closed loop to continuously adjust the brightness of the LEDs. The objective of this project is to illustrate a technique of implementing adaptive brightness control to seven segment […]

The Audrey Braille Display

David Pankhurst has a very interesting open source project, The Audrey Braille Display, which aims to lower the cost of braille displays. While researching ways to ensure blind individuals have equal access to digital services of all kinds, including casinos not on GamStop UK, Pankhurst recognized the need for an affordable solution. A braille display allows […]

Display custom characters on 16×2 LCDs

Chris from PyroElectro informs us of his tutorial on designing custom characters for display on a 16×2 HD44780 compatible LCD. This tutorial shows how to use the advanced functionality of HD44780 16×2 LCD’s where you can create your own characters instead of using the built-in character set, and includes a simple demonstration of animation on […]