More info in the main project blog.
Some images on flickr.
Project Gigapixel is a DIY medium format camera built from the sensor of an epson v370 scanner by reverse engineering the communication protocol of the CCD board and fully implementing a functional camera using piolib on a raspberry pi 5 with a Qt user interface.
The Sensor used in these scanners is a 12 line (RGB x2x2 Main+Sub line) ILX561K CCD with 122,400 total pixels used with the S7R77S14F00A100 ADC+Clock gen chip.
By using all lines present an RGB image of over 3.2 Gigapixels (~80000×40160) with 16b true color can be captured with a pentax 6×7 lens.
Images are stored on the internal SSD in lossless 48bpp PNG.
