TC/PD-bench-power-supply: A USB PD powered lab bench power supply, supporting CV and CC mode

HCCFISH d64c3b7e7c 上傳檔案到 'firmware/display_test'		5 月之前
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display_char.h	d198b36799 added 16x16 bitmaps for numbers and letters, and a display function for the power supply	5 月之前
display_test.ino	d64c3b7e7c 上傳檔案到 'firmware/display_test'	5 月之前
gfx.ino	65424a4f6d added working display test firmware	6 月之前