GREMSY PIXY SM User manual

REVISION HISTORY
LEGEND
WARNING
NOTE
DATEREVISION DESCRIPTION
Notes are used to highlight special operating conditions or steps of a
procedure.
Warnings are used to highlight procedures which, if not strictly
observed, may result in personal injury or loss of life.
Tips.
TIPS
1.0 June 7th, 2022 User Manual

Revision History 2
Legend 2
GETTING STARTED 6
Introduction 7
Features 8
Plug & Play With M300 RTK
Fully Compatible With Sony α7R IV
Built for Mapping
Heated & Temperature Controlled IMU
High Performance Gimbal Controller & Image Processor
Specications 10
PIXY SM I/O Connectors 11
Gimbal Connection
Gimbal Buttons
What’s In The Box 14
Damping Installation 15
Assembly Instructions
Quick Release Connection 21
Connect
Disconnect
Status LED Indicator 22
Display Real-time Data 22
Working Operation 23
BALANCING 24
Mounting The Camera 25
Tilt Axis Front-Back Balance 26
Tilt Axis Vertical Balance 27
Roll Axis Balance 28
Pan Axis balance 29
CONTENTS

GIMBAL 30
Operating the Gimbal 31
Gimbal Settings 33
Gimbal Mode
Gimbal Pitch Smooth Start/Stop
Max Gimbal Pitch Speed
Gimbal Yaw Smooth Start/Stop
Max Gimbal Yaw Speed
Stiffness Tuning 35
General Method
Step 01 - Tilt Stiffness
Step 02 - Roll Stiffness
Step 03 - Pan Stiffness
Hold Strength 36
Gain
Default Settings
Filter 37
Gypro Filter
Output Filter
Gyro Filter
Others Gimbal Parameters 38
Speed
Smooth
Window
Tilt Lock
Rotation Limit
Up Limit
Down Limit
Window

IMU SENSOR 39
Gypro Calibration 40
Accelerometter Calibration 41
INSTALLING SOFTWARE 42
Steps To Connect 43
UPGRADING FIRMWARE 44
Devices Checking 45
Required Apps 46
Required Firmware 46
How To Upgrade 47
Gimbal Firmware 47
How To Upgrade SoM Firmware 48
TROUBLESHOOTING 51
Checking 52
Payload Checking
The Camera Live View Checking
Memory Card Checking

GETTING STARTED

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GETTING STARTED
USER MANUAL
Pixy SM is specially designed to integrate the leading professional M300 RTK
drone with the full-frame mirrorless Sony α7R IV camera, offering an unbeatable
combination for precision aerial mapping missions.
INTRODUCTION

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GETTING STARTED
USER MANUAL
FEATURES
PLUG & PLAY WITH
M300 RTK
FULLY COMPATIBLE WITH
SONYΑ7RIV
Utilizing the built-in advanced processing
module, integrating with M300 RTK is quick
and straightforward within seconds.
Just mount, connect, and you’re ready to go.
Pixy SM is optimized to work perfectly with
the 61-megapixel Sony α7R IV, ensuring
that you can get high-resolution imagery for
creating accurate maps.
BUILT FOR MAPPING In concert with M300 RTK and Sony α7R
IV, Pixy SM brings out the best-ever-grade
mapping solution for geospatial experts.
NOTE
Supported lens:
28mm - SEL28F20
35mm - SEL35F28Z
55mm - SEL55F18Z
Recommended SD cards: 256GB, at
least 90MB/s read/write speed.

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GETTING STARTED
USER MANUAL
HEATED & TEMPERATURE
CONTROLLED IMU
Heated and temperature controlled IMU
sensor allows reliable performance even in
extreme weather. Temperature is maintained
within 0.2 degrees Celsius accuracy.
HIGH PERFORMANCE
GIMBAL CONTROLLER &
IMAGE PROCESSOR
Advanced gimbal controller designed and
made by Gremsy based on a 32 bit high
performance ARM microprocessor providing
fast response and accurate calculation.
Combine with high performance data &
image processor that allow to process the
image and GPS data as highest accuracy
during mission.

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GETTING STARTED
USER MANUAL
SPECIFICATIONS Product Name
System Type
Weight
Payload
Lens Compatibility
Construction
Operating Power
Working Current
Connetion
Drone Flatform Supported
OS Platform Supported
Pan Range
Tilt Range
Roll Range
Pixy SM
3-Axis Digital Gyro-Stabilized
1.26lbs/ 570g
Sony α7R IV
SEL28F20 | SEL35F28Z | SEL55F18Z
All Aluminum
13.7V
Static Current 400mA @13.7V
Dynamic Current 800mA @13.7V
Locked Motor Current Max 4.0A @13.7V
DJI Skyport 2.0 / UART / USB 2.0
DJI M300 RTK
Windows / Mac
±160°
+135° to -45°
±25°

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GETTING STARTED
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PIXY SM I/O CONNECTORS
GIMBAL CONNECTION HDMI: to output video from the camera
(not available now)
Connector type: micro HDMI
CTRL: CTRL is a serial protocol (UART)
port which is used to interface with Sony
A7R IV via USB C port.
Connector type: JST SM10B-GHS-TB(LF)
(SN)
USB-C: to interface with computer or
upgrade rmware
Connector type: USC type C

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GETTING STARTED
USER MANUAL
Micro SD card: to insert the micro SD card
for Geo data storage
Connector type: Micro SD card
Note: Recommend SD Card 256GB, at least
90MB/s read/write speed
Device Switch: to switch between gimbal
and SOM for rmware upgrading
Connector type: 2 level switch

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GETTING STARTED
USER MANUAL
Reset: to reset the system in case needed
Boot: to push the rmware during
upgrading process
GIMBAL BUTTONS

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GETTING STARTED
USER MANUAL
WHAT’S IN THE BOX
A. Camera Plate
B. Hot-shoe
C. USB Camera Cable
D. USB Type-C Cable
E. Pixy SM Damping Extension
F. Allen Key 2.0mm
G. Camera Screws
H. M3 x 8 Screws
x1
x1
x2
x1
x1
x1
x2
x10
1. PIXY SM GIMBAL
2. PIXY SM ACCESSORIES

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GETTING STARTED
USER MANUAL
DAMPING
INSTALLATION
Components required:
- DJI Standard damping on M300 RTK to interface with computer or upgrade
rmware.
- Gremsy - Damping extension for Pixy SM
What’s in the box of the damping extension?
F - Adapter bundle x2 B - Adapter bundle x2

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GETTING STARTED
USER MANUAL
ASSEMBLY INSTRUCTIONS STEP 01: Separate the standard damping from the M300 RTK.
Fig 1. The standard damping after separation

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GETTING STARTED
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STEP 02: Note the marked position of the standard damping as below.
STEP 03: Remove silicone balls from the standard damping.

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GETTING STARTED
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STEP 04: Assemble the “F adapter bundles” into the “position 1 & 2” as
marked in step 2.
F adapter bundles

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GETTING STARTED
USER MANUAL
STEP 05: Assemble the “B adapter bundles” into the “position 3 & 4” as
marked in step 2.
B adapter bundles

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GETTING STARTED
USER MANUAL
STEP 06: Complete the damping for Pixy SM.
STEP07: Mount the damping on M300 RTK and ready for use with Pixy SM.