PICPAC is a packet radio tool with a 16x4 LCD screen, that can be used for many different functions.
It can interface to a radio to send and receive packet, and to a computer to send and receive serial.
It also has a speaker, and 2 button inputs.
The PICPAC users manual, and sample code can be found
There is a Yahoo! Group dedicated to the PICPAC at
Warning: Some builders have reported that the LCD resistor SIP will crack if the screws
holding the display to the PCB are over tightened. This is repairable, but should be avoided.
4 washers will be added to all new kits to add more separation. More details at the
Sorry, but PICPAC is discontinued. Please consider the TinyTrak4 and display option.
Gavin Andrews has created a Orienteering timing tool with PICPAC. See his web page at