TinyTrak II and III

The circuit board and components were part of the TinyTrak kit available at http://www.byonics.com/tinytrak. The PIC16F84 processor comes programmed with the required firmware. A windows interface is available on the website above for editing callsign, transmission rates, beacon, etc.

Parts not included in the TinyTrak kit:

• Radio Shack Enclosure
• Wire
• SPDT Slide Switch
• Eight pin microphone receptical
• Extra 9 pin female DIN connector
• Female to Male gender changer

One possible method for assembly:

This TinyTrak Kit was assembled in one evening.

• An eight pin microphone receptical for portability wired as a PK-88 to match my hardware.
• Coaxial Power Connector. (This should be placed on the opposite side of the box as shown so that the TinyTrak may plugged directly into the serial port for changing variables.)
• The picture shows a gender changer mounted to a female 9 Pin DIN connector.

• Note the two screws on the right-hand side of the Radio Shack box hold a minature slide switch to enable changing the transmission rate.
• The clear plastic cover was simply cut from a bakery container.

Happy tracking!

73,

Mike ki7ab@amsat.org