I've uploaded a very similar looking demo to this! However, mine uses a 4 digit LCD screen and a AY0438 LCD driver, instead of all those transistors and resistors. Using a display driver you only need 4 outputs from the arduino to control 32 LCD segments. You can also drive seven segment LEDs like yours using my library and an M5451? chip - much easier to program. :)
My library is here code.google.com/p/arduino-seven-segment/
No problem, here's a video:
youtube.com/watch?v=nGXTJL51D6Q
megacrab 1 month ago
I've uploaded a very similar looking demo to this! However, mine uses a 4 digit LCD screen and a AY0438 LCD driver, instead of all those transistors and resistors. Using a display driver you only need 4 outputs from the arduino to control 32 LCD segments. You can also drive seven segment LEDs like yours using my library and an M5451? chip - much easier to program. :)
My library is here code.google.com/p/arduino-seven-segment/
megacrab 1 month ago
@megacrab thanks for sharing!
289359752 1 month ago