UAV Mapper Electronics and Pixhawk Installation Guide

Overview

Do each of the steps below in sequence to install your motor, servos, ESC, and Pixhawk.

  1. Electronics
  2. Building supplies
  3. Pixhawk pin out and accessory locations
  4. Install the motor
  5. Install the servos
  6. Configure the Electronic Speed Control (ESC)
  7. Install GPS/Compass(s)
  8. Install airspeed pitot tube and sensor
  9. Install the Pixhawk and connect devices

Electronics - not included in kit

Building supplies - not included

  • Soldering iron
  • Rotary tool with cut off wheel
  • Hot glue gun
  • CA glue and CA activator

Pixhawk pin out and accessory locations

The UAV Mapper parameter file configured for the following accessories and positions:

Position    Accessory

RC9     Parachute

RC 10  Sony IR trigger cable

RC11   Canon USB trigger

Pin 53  Precise geotag feedback cable (both hot shoe and Canon phototransistor).

Install the motor

  1. Install the X mount and prop adapter. Use blue thread lock.
  2. Feed the three motor wires through the opening in the bottom of the motor mount. Mount the motor to the motor mount with the four 3mm x 8mm screws.

Install the Servos

  1. Use needle nose pliers to push the servo wire through the hole in the bottom cover. Install shrink tube after you push the servo wire through the bottom cover.
  2. Install the pushrod as shown. Widen middle hole in the servo arm with 1/16" drill bit so the pushrod will fit. You will center the servos later when you configure your Pixhawk and transmitter.
  3. Connect servo extensions and shrink tube (included).
    • Connect a JR style (yellow, red, brown) extension to the right wing servo.
    • Connect a Futaba style (white, red, black) to the left wing servo.
  4. Tuck servo extension into groove on wing bottom and tack with hot glue. Do not use CA as it will be too permanent.

 

Configure the Electronic Speed Control (ESC)

You must add power connectors and reprogram the Turnigy Plush 40 ESC.

  1. Solder a male HXT60 connector and female 3.5 mm on to the ESC.
  2. In this order - Connect your Plush 40 ESC to a Turnigy ESC programming card, then connect your battery to your power module as shown.
  3. Use the Arrow buttons to set:
    • Brake to ON so your propeller is less likely to strike the ground during landings.
    • Battery Type to NI-xx so the ESC does not automatically shut off power to the motor if the battery voltage drops below ~ 10 volts. This is designed to save your Lipo battery from over discharging damage, but is undesirable when the Pixhawk can monitor voltage.
  4. Press the OK button to save changes.
  5. Set on ESC Velcro in body as shown. Do not connect to motor.

Install GPS/Compass(s)

  1. Stick loop Velcro to bottom of components.
  2. Pull GPS/compass wires through wing and body.

Install airspeed pitot tube and sensor

  1. Zip tie the pitot tube to the pitot tube mount.
  2. Insert the pitot tube tubing through the body and wing.
  3. Connect the tubing to the pitot tube.
  4. Stick the loop Velcro to the airspeed sensor and install as shown.

Install the Pixhawk and connect devices

  1. Stick Velcro loops to Pixhawk and I2C splitter. Install as shown.
  2. Connect:
    • MAIN OUT 1 - Connect a JR style (yellow, red, brown) extension.
    • MAIN OUT 2 - Connect a Futaba style (white, red, black) extension.
    • MAIN OUT 3 - ESC
  3. Note: Black or brown wires up.

  4. Connect I2C sensors with DF13 4 to 4 wires:
    • Connect I2C Splitter to I2C port on Pixhawk.
    • Connect airspeed sensor to I2C splitter.
    • If you're installing two GPS, just connect ONE of I2C compass (4 pin) plugs to the I2C Splitter. The Pixhawk does not support dual external I2C compasses, only dual GPS.

  5. Connect the primary GPS to the GPS port on the Pixhawk.
  6. Connect the secondary GPS to Serial 4/5.
  7. Note: Unused I2C cable. This is the compass from the secondary GPS. Do not connect it to the I2C splitter.

  8. Connect a DF13 6 to 6 to the telemetry radio. Connect the other end to TELEM 1 on the Pixhawk.
  9. Stick loop Velcro to the bottom of the telemetry radio and install as shown.
  10. Connect the power module to the POWER port on the Pixhawk using a DF13 6 to 6 cable.
  11. Install the Spektrum satellite receiver as shown. You will still need to bind it before you connect it to the SPK/DSM port on the Pixhawk.

Continue to UAV Mapper Transmitter and Pixhawk Configuration Guide >>