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no edit summary
{{TechSidebar
{{HABEES-sidebar
| header = Medusa
| header = Medusa
| img link = File:Medusa.jpg
| img link = File:Medusa.jpg
| designer = Kirill Safin
| designer = Kirill Safin
| techline = Balloons Core Avionics Expansion
| techline = Balloons Core Peripherals
| version = Generation I
| version = Generation I
| name = Medusa
| name = Medusa
}}
}}
'''Medusa''' is a HABEES developed expansion board for the Balloons Core Avionics. Medusa is designed to accept five 40-pin edge-cards to support a variety of add-on functionalities to enhance the capabilities of the Core Avionics suite.
'''Medusa''' is a HABEES-developed expansion board for the Balloons Core Avionics. Medusa is designed to accept five 40-pin edge-cards to support a variety of add-on functionalities to enhance the capabilities of the Core Avionics suite.
Medusa consists of five board-locking 80 pin edge-card slots, a micro SD for data logging, a Teensy 3.2 MCU, power input, and a CAN transceiver.
Medusa consists of five board-locking 80 pin edge-card slots, a micro SD for data logging, a Teensy 3.2 MCU, power input, and a CAN transceiver.
File:Medusa_pcb.PNG | <center> PCB Layout </center>
File:Medusa_pcb.PNG | <center> PCB Layout </center>
</gallery>
</gallery>
== Pinouts ==
{| class="wikitable"
| Pin
| Slot 1
| Slot 2
| Slot 3
| Slot 4
| Slot 5
|-
| 1
| +5V
| +5V
| +5V
| +5V
| +5V
|-
| 2
| +5V
| +5V
| +5V
| +5V
| +5V
|-
| 3
| +3.3V
| +3.3V
| +3.3V
| +3.3V
| +3.3V
|-
| 4
| +3.3V
| +3.3V
| +3.3V
| +3.3V
| +3.3V
|-
| 5
| +VBAT
| +VBAT
| +VBAT
| +VBAT
| +VBAT
|-
| 6
| +VBAT
| +VBAT
| +VBAT
| +VBAT
| +VBAT
|-
| 7
| GND
| GND
| GND
| GND
| GND
|-
| 8
| GND
| GND
| GND
| GND
| GND
|-
| 9
| RX1
| RX2
| RX3
| A12 (SSE)
| A11 (SSE)
|-
| 10
| TX1
| TX2
| TX3
| A1 (SSE)
| A2 (SSE)
|-
| 11
| MOSI
| MOSI
| MOSI
| MOSI
| MOSI
|-
| 12
| MISO
| MISO
| MISO
| MISO
| MISO
|-
| 13
| SCLK
| SCLK
| SCLK
| SCLK
| SCLK
|-
| 14 (CS)
| 21
| 20
| 24
| 33
| 26
|-
| 15
| SCL
| SCL
| SCL
| SCL
| SCL
|-
| 16
| SDA
| SDA
| SDA
| SDA
| SDA
|-
| 17 (PWM)
| NC
| NC
| NC
| 5
| 5
|-
| 18 (PWM)
| NC
| NC
| NC
| 6
| 6
|-
| 19 (PWM)
| 23
| 5
| 32
| 23
| 23
|-
| 20 (PWM)
| 22
| 6
| 25
| 22
| 22
|-
| 21 (PWM)
| NC
| NC
| NC
| 32
| 32
|-
| 22 (PWM)
| NC
| NC
| NC
| 25
| 25
|-
| 23 (A)
| NC
| NC
| NC
| 16
| 16
|-
| 24 (A)
| NC
| NC
| NC
| 17
| 17
|-
| 25 (A)
| NC
| NC
| NC
| A10
| A10
|-
| 26 (A)
| NC
| NC
| NC
| A11
| A11
|-
| 27 (A)
| A12
| 16
| 29
| A12
| A12
|-
| 28 (A)
| A13
| 17
| 28
| A13
| A13
|-
| 29 (A)
| A14
| A10
| 27
| A14
| A14
|-
| 30 (A)
| 30
| A11
| 14
| 30
| 30
|-
| 31 (A)
| NC
| NC
| NC
| 29
| 29
|-
| 32 (A)
| NC
| NC
| NC
| 28
| 28
|-
| 33 (A)
| NC
| NC
| NC
| 27
| 27
|-
| 34 (A)
| NC
| NC
| NC
| 14
| 14
|-
| 35
| +3.3V
| +3.3V
| +3.3V
| +3.3V
| +3.3V
|-
| 36
| CD
| CD
| CD
| CD
| CD
|-
| 37
| +5V
| +5V
| +5V
| +5V
| +5V
|-
| 38
| +5V
| +5V
| +5V
| +5V
| +5V
|-
| 39
| GND
| GND
| GND
| GND
| GND
|-
| 40
| GND
| GND
| GND
| GND
| GND
|}
[[Category: High Altitude Balloons]][[Category: HABEES]]