STM8 DISCOVERY – 7segment serial link (1)

stm8 board posted by (C)takao21203 This is a STM8 Discovery board. I have added a PIC 16f884 and a small 7segment display. I want to program a serial link between the two controllers. Later, a display will be connected to the STM8 chip directly. However, I have some ideas to improve the 7segment decoding/driving, and it is easier to test … Continue reading

big LED matrix project update


This gallery contains 4 photos.

Here some photos from the LED matrix. All LEDs wired up now to the drive circuit. 8 controllers run at once! Next thing is to replace the defective LEDs- quite a few. Then I want to try double buffering. But this does not require many new wires. It is however some effort to write the software for this. There will … Continue reading

USB gizmo…

1. USB Gizmo It can show japanese characters! Individually programmed 5120 bits. There is a software on the Windows PC side too. Visual Studio C++ is used! It can link via USB. 2. Random images shown on my homepage The redesign for my website is now completed. I added a script to display a random picture each time. This … Continue reading

How to use japanese language for LED matrix scrolling message tag

How can this be done? It is not so easy, as the LED matrix does not understand UNICODE. I have digitized japanese katakana font from a character LCD, about 5120 individual bits. This exists as binary data inside the microcontroller. I want to write the scrolling message on Windows PC, and transfer the text via USB. There are many individual … Continue reading