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Fig. 3. (Color online) The figure showed that inside the red plastic on the flat panel selenium detector was a “Rasberry Pi 4 Model B” with CMOS image sensors and other input/output devices connected to the Rasberry Pi. In addition, the figure demonstrated the range for adjusting the X-ray exposure area to cover the CMOS sensor.
New Phys.: Sae Mulli 2022;72:582~593