Looking for PI2-4 schematic diagram

[lou0908]

HI
I can find C source code in the website, but where can I get the PI2-4 schematic diagram?

[Qiaozhi]

HI
I can find C source code in the website, but where can I get the PI2-4 schematic diagram?

The schematic is on page 165 of Inside the METAL DETECTOR (Fig. 2-10).
You can order the book from here -> Inside the METAL DETECTOR - Published September 2012