CPU unit consists of CPU board and LCD board. With this photograph, the LCD board is removed from the CPU board. The PIC16F873 is mounted in the center of the CPU board.
This is the wiring side of the CPU board.
The LCD board is attached on the CPU board.
The right end of the LCD board is being fixed to the CPU board by the spacer. The insulated washer is used for fixation of the spacer.
