====== Blueberry Design Meeting- August 28, 2014 ====== **Attended: Andy, Kenny, Zach, Sean, Grant, Jessie, Ryan, Christie** =====Apple- Negatives:===== * Low battery life: 3.7 V 6600 mAh * No On/Off button and hard to access to turn off box * Difficult to debug * No LEDs * No serial output * Hard to program * Disassemble * Assembly * Too much hot glue * Housing design =====Improvement:===== * Housing * Use 3D printer to print what we want * Reinforce 3D printed housing with fiber glass * Pipe idea * Would need a big PVC pipe for outdoors * Have divider for sensors * One side for sensors * Other side for main board, XBEE, and battery * Have bus to connect two sides * Breakout board * Put LEDs and ports (UART, ground, power) * TX * RX * Ground * 3.3V * Reset button- soft * SPI- program * Can unplug board when done testing, debugging, and programming * Problem with SD card =====Cranberry:===== * Single board * Charging chip, main processor, XBEE on same board * Single chip- QFN * No SD card * Battery more than double * Solar panel upgrade * Wireless programming * Lowering clock to 8 MHz