Diagrams
Electronics
Layout
CAN
Power
Pi A
Pi B
VESC A
Central
em-trak
Release B
Aft
Wing
Ewellix
Transom
BMS
Battery
<- Electronics
Wing pod
Hover - click - blue opens linked boxes - GitBoat 5.5 / Wing Power / Compute Bay 10.2
24 V from nose-locker packs
1 - Packs
Solar face A into MPPT A
2 - Solar A
Solar face B into MPPT B
3 - Solar B
Coupler charge in
4 - Coupler
CMI1017 RS-485
6 - Wind
18/4 wing cable
5 - 18/4
pwr + CAN
915 MHz whip
7 - LoRa
POWER / CHARGE
Solar face A MPPT
MPPT A
5 A - face A
Solar face B MPPT
MPPT B
5 A - face B
24 V OR-ing diodes
24 V diodes
DG7512 OR-ing
24 to 3.3 V awareness
24 -> 3.3 V
awareness rail
Backup D-cell
Backup cell
ER34615 - 3.3 V only
SHORT CAN - island
One end of the short pod bus.
120 ohm
Other end of the short pod bus.
120 ohm
COMPUTE
Owns the short J1939 bus to the Electrak MD.
Nucleo G431
on-chip CAN - RFM95W host
CAN transceiver breakout
CAN xcv
same class as A3
Pod watchdog (rail only)
WD
Nano - rail ON
RADIO
LoRa bonnet on CM5. Wing link is 915 MHz RF (not wired SPI). Antenna coax = entry 7.
LoRa RFM95W
SPI on Nucleo
915 MHz RF -> Pi A
WIND (RS-485)
RS-485 for wing-tip Calypso CMI1017.
MAX3485
CMI1017 only
Angle-sensor electronics (in pod)
Angle sense
3.3 V - no named bus
RS-485
BOOM LINK (18/4)
MD lives in the boom-root fairing - not the pod tub
Wing trim actuator on CAN (Mike 2026-09-15).
Electrak MD
MD24A025-0050CNO - boom root
Gore-style breather vent
V - vent
Bond stud
B - bond
CANH
CANL
power
USB
Ethernet
UART
I2C
GPIO
coax
SPI
RF (wireless)