Mumbai (CAN Rocket Avionics)
Project Mumbai is our CAN-based rocket avionics PCB stack for competition.
The boards all include similar parts to aid in quick design and to increase modularity:
- MCP2562 transceiver chip to interface with CAN bus
- STM32 microcontrollers (F103 variant at this point but this could change in the future)
- Capacitors, resistors, and LED's of the same physical size
The general restock BOM can be found here: TO BE COMPLETED
The CAN-Based system consists of the following SRAD printed circuit boards:
- Flight Computer Board
- Recovery Board
- Data Logger Board
- LoRa Radio Board
- Power Distribution Board
- Battery Board
- GPS Board
- Sensor Card 1: Critical Sensors
- Sensor Card 2: Non-Critical Sensors
- Sensor Card 3: Temperature Array Board
The Hybrid rocket will add the following boards to the CAN-Based system: TO BE COMPLETED
- Vent Board
- Injector Board
- ????????
The system also features the following COTS boards for redundancy:
The flight computer board is the brains of the system. It takes in data and makes flight critical decisions like when to deploy the parachute.
The recovery board will include a modular deployment system. This consists of being able to easily switch between a burn wire, pyrotechnic, or CO2 canister type of deployment system.
Our data logger board will feature an micro-sd card for quickly gathering data when troubleshooting and be capable of storing 100x more data to FRAM than our mini rocket board allowing for a reliable storage method in flight.
Our first revision of our radio board will consist of an RFM96W LoRa Chip. It will be able to take data from CAN-Bus, interpret what data to send over radio, and send that data over 10 km.
The sensor board contains 100+ payload sensors for the rocket.
Preliminary design has been completed, basing off designs from Andoya Space (see below)
