Schematic diagram

Table of Contents

• Pinouts (to multiplexer)
  • RC
  • AA Battery Pack
  • Sail Servo
  • Rudder Servo
  • RPi
  • To Itself
• Pinouts (to RPi)
  • IMU
  • GPS
  • Multiplexer
• Pictures for Pinouts
  • For the Multiplexer
  • For the RPi
  • Full RPi GPIO Pins

Pinouts (to multiplexer)

RC

RC	Multiplexer
Ch 1	S1 - signal
Ch 3	S3 - signal
Ch 5	SEL - signal
VCC	S4 - VS
GND	S4 - GND

AA Battery Pack

Battery	Multiplexer
5V	M2 - VM
GND	M2 - GND

Sail Servo

Sail servo	Multiplexer
Output	OUT3 - signal
VCC	OUT3 - VM
GND	OUT3 - GND

Rudder Servo

Rudder servo	Multiplexer
Output	OUT1 - signal
VCC	OUT1 - VM
GND	OUT1 - GND

RPi

RPi	Multiplexer
GND; P1-9	SEL - GND
GPIO13; P1-33	M1 - signal
GPIO24; P2-18	M3 - signal

To Itself

Multiplexer	Multiplexer
SEL - VM	S2 - VS

Pinouts (to RPi)

IMU

IMU	RPi
SDA	SDA (GPIO 2; P1-3)
SCL	SCL ( GPIO 3; P1-5)
GND	GND (P1-6)
VIN	3.3V (P1-1)

GPS

GPS	RPi
VCC	3.3V (P1-1)
GND	GND (P1-6)
RX	TX (GPIO 14; P1-8)
TX	RX (GPIO 15; P1-10)

Multiplexer

Multiplexer	RPi
SEL - GND	GND; P1-9
M3 - signal	GPIO24; P2-18

Pictures for Pinouts

Complete schematic

svg version available here