Ground Receiver Parts
Teensy 4.1
- Ethernet Compatible
- On-board MicroSD Card Reader
- Expandable Memory (Flash and PSRAM)
- Supply Voltage: 5V
- Supply Current: 250 mA (Estimation)
- USB can supply up to 500 mA, and the 3.3V pin can supply up to 250mA
900MHz XBee SX / XBee Pro SX
RF Transmitter and Receiver
- Require 2 units; one for the flight computer and one for the payload
- Supply Voltage: 3.3V
- Receive Current 40 mA (SX and Pro SX)
- Sleep Current 2.5 uA (SX and Pro SX)
- Transmit Current
- Can be ignore - Will not be transmitting
- Pro SX up to 900 mA transmit current
- SX up to 55 mA transmit current
LCD Display
Used to display rocket location and possibly connection to the flight computer.
- Supply Voltage: 5V
- Supply Current: ~35mA (measured)
- Question: Will content be visible outside?
LEDs
- Indicate Power on
- Indicate connection to flight computer (and payload)
Buttons
- Display menus
Power
Required Voltages:
- 5V
- 3.3V - Use off of Teensy?
Item | Digi-key Part Number | Quantity |
---|---|---|
Teensy 4.1 | 1568-DEV-16771-ND | 1 |
Ethernet Magjack | 1278-1011-ND | 1 |
3x2 Header | 1849-1000-ND | 1 |
3x2 Socket | 609-3139-ND | 2 |
Ribbon Cable | HF06S-5-ND | 1 |
0.1uF Capacitor | - | 1 |
1uF Capacitor | 1 | |
1nF Capacitor | 1 | |
1M Resistor | 1 |
Note: Assume 0805 package size for resistors and capacitors unless stated otherwise.