NMB Requirements

Category	Requirement	Description
Assembly	NMB shall be assembled

Power
Power.Voltage.Logic	NMB shall accept an input voltage of a standard Low Voltage LiPo battery for logic.	LV for logic (LDO still able to be used)
Power.Voltage.Deployment	NMB shall accept an input voltage of up to a 4s LiPo Battery	HV for deployment
Power.Arming	NMB shall support a series arming switch on charges and logic	On board series interrupt or in the external wires

Form Factor


Digital Communications
DigitalCommucations.Programming.Hardware	NMB shall natively support USB for programming	FTDI onboard or IC that accepts USB

Sensors
Sensors.Software??	NMB shall use sensors with existing Arduino Libraries	Ease of use
Sensors.Altitude.Range	NMB shall be able to measure up to 15k feet in altitude	Space Race Rocket hits 10k feet + safety margin
Sensors.Altitude.Standards	NMB shall comply with the NAR altimeter standards	Barometric Pressure, 16-bits resolution, better than 1m, 1% or 2m
Sensors.Altitude.MachHardening	NMB shall be mach-hardened (likely in software)

Sensors.IMU.DOF	NMB shall use a 9DOF IMU
Sensors.IMU.Acceleration.Range	NMB shall measure up to 20g
Sensors.IMU.Temperature	NMB shall measure ambient temperature during flight
Sensors.IMU.Temperature.Type	NMB shall use an analog temperature sensor
Sensors.GPS	NMB shall collect GPS information
Sensors.GPS.Antenna	NMB shall support and external GPS antenna

Transceiver
Transceiver.Frequency	NMB shall transmit and receive in an ISM band	Likely 900MHz
Transceiver.Range	NMB shall be able to transmit up to 2.5 miles, no LOS	Worst case (from 3TTC misflight)
Transceiver.ExternalAntenna


Data Storage
DataStorage.Type	NMB shall store data with a MicroSD card
DataStorage.Capacity	NMB shall store data for at least 1 flight

Deployment
Deployment.ChannelCount	NMB shall have at least 2 deployment channels	At least 2 for redundancy of single deployment
Deployment.IgniterType	NMB shall support a 1.0A firing current	Specific Igniter
Deployment.ContinuityCheck	NMB shall have continuity checks for all deployment channels

Microcontroller
Microcontroller.Peripherals	NMB shall support I2C, SPI, Analog I/O, UART, Digital I/O
Microcontroller.PinCount	NMB shall have enough pins for the described peripherals


Additional Hardware
AdditionalHardware.StatusLED
AdditionalHardware.Reset	NMB shall have a reset button for the microcontroller
AdditionalHardware.Buzzer	NMB shall have a buzzer to assist in finding


Programming
Programming.Language

Additional Notes:

Pads for power connectors, to be soldered to

Launch Initiative

NMB Requirements

Analytics

Related content