The artwork needed to create the circuits, referenced in chapter 6 (figure 6.3 ), is shown below. Click the image to save it to your hard drive so it can be printed (true size) on a transparency.

Schematic Diagrams: to download a zip file containing high resolution click on the following link

Main Circuit Board: Low resolution schematic diagram.

Motor controller: Low resolution schematic diagram.

Tranceiver: Low resolution schematic diagram.

Below is a picture of the completed main board without the PIC16F876 microcontroller or MCP2150 IrDA protocol stack encoder decoder chip inserted into the sockets. (figure 6.9 in the book).