PIC
dsPIC30F3014 (PDF)
dsPIC30F Family (PDF)
Flash
Flash Datasheet (PDF)
Batteries
Energizer L91 (Lithium) (PDF)
Energizer X91 (Alkaline) (PDF)
Battery Life (Forum)
Pressure Circuit
Amplifier Circuit (PDF)
Altimeter and Barometer System (PDF)
EIA232 (Serial data interface)
RS232 Tutorial
EIA-232 Bus
SD Card
Wikipedia
SD Specifications
FAT on SD/MMC
APRS/Radio
APRS wiki
TNC wiki
ATV (Amateur TV)
ATV Transmitter Board
Other Resources:
U of M BalloonSat Project
BalloonSat (U of Colorado at Boulder) (PDF)
EOSS Handbook Chapter 4
Here is a pdf with all the links as well: Additional Resources (PDF).
