SPICA Requirements
- Joseph Even (RIT Student)
Owned by Joseph Even (RIT Student)
Requirements:
| Category | Requirement | Rationale | Description | Verification |
|---|---|---|---|---|
| Power | ||||
| Power.InputPower | SPICA shall accept power from a 2S LiPo Battery | 7.4V for deployment charges | LiPo battery voltages are integer multiples of 3.7V (Low = 3.7V) | |
| Power.Connectors | SPICA shall use locking power connectors. | Don't want vibration to disconnect power / charges | ||
| Form Factor | ||||
| FormFactor.Size | SPICA shall fit inside an L1 rocket. | Ability to perform frequent tests | Approximately 2.75" diameter | |
| Environment | ||||
| Environment.Temperature | SPICA shall operate in the desert conditions of IREC | IREC desert temperatures | Highest temp at 2019 IREC was about 120F from EggTimers | |
| Digital Communications | ||||
| DigitalCommunications.Programming | SPICA shall be programmable over UART or SWD | |||
| DigitalCommunications.IC | SPICA shall be capable of I2C, SPI, and UART communications. | Interface with all sensors | Communication between ICs | |
| DigitalCommunications.Upstream | SPICA shall be able to communicate data to a PC. | Debugging / Data output | FTDI USB to TTL Converter | |
| Sensors | ||||
| Sensors.IMU.GRange | SPICA shall be able to measure acceleration in the range of ±16G | |||
| Sensors.IMU.Gyro | SPICA shall be capable of determining angular rate (Proper term?) | |||
| Sensors.IMU.RefreshRate | SPICA shall be capable of retrieving and logging new IMU data at 5Hz. | |||
| Sensors.IMU.??? | ||||
| Sensors.Altimeter.Range | SPICA shall be capable of measuring within the altitude range of a 10k rocket. | IREC 2021 is a 10k rocket | ||
| Sensors.Altimeter.Resolution | SPICA shall be capable of measuring altitude within 1 meter. | |||
| Sensors.Altimeter.RefreshRate | SPICA shall be capable of retrieving and logging new altitude data at 5Hz. | |||
| Sensors.ApogeeDetection | SPICA shall be capable of apogee detection. | Deployments | ||
| Data Storage | ||||
| DataStorage.RecordTime | SPICA shall be capable of handling X minutes of flight data? X number of flights? | |||
| DataStorage.Robustness | SPICA shall use non-volatile memory ??? | SPI Flash / No MicroSD that can vibrate out | ||
| Firmware | ||||
| Firmware.Programming | SPICA shall be compatible / programmable with Arduino | Easy to program, easy to learn | ||