Now that I have the 4MB SRAM board installed, I now have a frame buffer that can keep up with the video bandwidth rate. The resolution and color depth is currently 800 x 480 x 12-bit. The computing shield I’m...
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SRAM Frame Buffer is now up and running!
Exciting times for the Hope Badge Computer. Tonight, I’ve worked out most of the kinks with interfacing the new SRAM module which you can see in posts below this, to the J68 soft-core CPU. This means that I can...
New SRAM PCB is being built
So up to two SRAMs can be installed on this tiny 2″ x 2″ board. To the right is the connector, and the SRAMs are on the left. With current SRAM sizes, you can install 32-megabit SRAMs. That’s 4...
Modified memory controller now functioning on BEMICRO MAX 10 board
So after some minor heartache, I’ve managed to get a working memory controller on the BEMICRO Max 10 board that is easy to use. It uses a wishbone interface. The heart of the controller is from here but there were...
New project: modifying Logitech C920 webcam for PCB inspection
I’ve recently spent some time modifying a Logitech C920 webcam for PCB inspection and soldering. Head over to the page for project pictures, links to the various components, tricky gotchas I found during...
Cirrus Logic CS4335 DAC problems finally identified and fixed.
I had some assistance in fixing this problem. My always helpful friend Brian from Canada as well as some help from Steve @ the Audacity forums contributed to solving the problem. They filled in some blanks for me, and...
