I dug out my old VFD display project. This time I got some text showing up and prototype ready to be even bolted in some enclosure. I started with sawing piece of from original display controller as I didn’t bother to make PCB to house VFD screen, and all needed IC:s and connections were already there. Removing piece from 2mm fiberglass board is not easy task when your only tools are couple of hobby knives. But sawing boards with hacksaw would have caused more nasty fiberglass mess. Read More …
Tag: display
VFD Schematics & code witchcraft
I have yet published basic schematics and code for display project. 
Atmega 16 work as display controller. It will read data from uart serial port, place it to text buffer and simultaneously multiplex display trough segment voltage buffers and huge digit shift register. ASCII text is converted to segment data and font can be created with computer program. Read More …
VFD Time!
Hello, I’m Ketturi Fox, and I’m addict. Yes, I have VFD addiction, Vacuum Fluorescent Displays, I mean. I have big box of them, waiting for appropriate project (which probably will never come). This time I found big nice displays from old digital scale.
Vintage 7-Segment displays
I found some old HP/Agilent LED displays. They are common anode type, and have DIP 14 packages. I haven’t seen these before in real life, and I think these are beautiful little displays.
SyncMaster 245b repair
A week ago I found Samsung SyncMaster 245b 24″ LCD monitor from trash. I tested it and it did barely power up. Blue led lighted in power button but nothing else. From the beginning I suspected powersupply, because its most common problem with LCD TVs and monitors. I opened display and started to examine the patient. Read More …
Flashing monitor EDID
Yesterday I got a HD4850 card from post and happily installed it to my desktop computer. I noticed that my 15″ secondary monitor was not detected, but I ignored it until today. Working with two monitor is so much easier and faster, so I started to investigate problem. Read More …