2 LED Flasher This is a 2 LED flashing circuit. It is based on an analog flip flop circuit. This particular circuit was calculated to use blue or white 3V LED with a 12V power supply. (17-Sep-2005)---547
7 by 10 LED Moving Sign With a 27C512 eprom(64k bytes), messages and animations can be almost a minute long!
(16-Sep-2005)---394
7 segment rolling display using PC a simple hardware circuit and software is used to interface a 7-segment based rolling display (11-Sep-2005)---197
ALPHANUMERIC LED DISPLAY PROJECT A tiny sandwich flag connected perpendicular to the motor spindle aids observation of how long it takes to complete one full rotation. This worked initially, as each burst from the capacitor barely moved the flag 1/4 of a rotation. As the circuit var (26-Sep-2006)---824
MAX7219 LED Driver The Maxim MAX7219 is an LED display driver that can control up to 64 individual LEDs, or eight 7-segment LED digits, or any combination of individual LEDs and digits, connected in a matrix of eight rows and eight columns. (20-Sep-2005)---591
Moving Message Display Build a scrolling marquee sign using an Intelligent alphanumeric display and the Phillips 87C750 Micro. (13-Sep-2005)---339
