1 Overview of S1-PRO

1.1 Compunents

1.2 Ports and Technical Parameters

	S1-PRO ECS
Technical Parameters
Hardware	Processor	STM32F407
	Gyro	BMI088
	Electronic compass	IST8310
	Barometer	LPS22HB
	Interface	GH1.25
	Whip antenna	30cm/40cm/50cm Optional
	PWM Output	12 OneShot/PWM Output(configurable)
	Receiver	Built-in R12 PRO
	Receiver Antenna Gain	4dBm
	Receiver Transmit Power	17.5dBm
	GPS	M10
	RC OUT SBUS	1
	GPS UART Serial Port	1
	Power Port	1
	LAN Port	1
	CAN Port	1
Supported models	3~8 Axes
Working environment and physical parameters	Power Input Voltage	2s-18s
	USB Voltage	5V±0.3V
	Servo Voltage	5V±0.3V
	Working Temperature	（-40~80℃）
Size & weight	Size	684713mm
Size & weight	Weight	62g

C10
Product name	C10
Input power	7.2V~72V DC
Operating current	210mA
Working temperature	-10℃~+60℃
Weight	61g
Overall dimension (L, W, H)	51mm43.3mm61.7mm
Pitch angle	（-90°~+10°）
Pointing axis angle	（-90°~+90°）
Rolling angle	45°
Pixel	Effective pixel:400W
Lens specification	1/2.7 sensor EFL=2.4mm
Output mode	RTSP code stream H265，compatible with H264
Image transmission resolution	1080P
Video recording storage resolution	2K
Video storage format	H264(can be played with the PotPlayer player or other players supporting H264 format)
Photo storage resolution	2K
Photo storage format	JPEG
Working mode	Hoist mode (factory default)
Working mode	Upside down mode (self setting)
One click back	support
One click down	support
One button head up	support
Supported memory card types	Currently, only the standard Sandisk 16G memory card and Kingston 64G Class 10 Micro SD card are supported
Support file system	FAT32

1.3 Recommendations for use

For users who are using the S1-PRO flight controller for the first time, it is recommended to complete the introductory use of the flight controller in steps:

1. First install the ground station control app, and be familiar with the various menu functions of it;
2. Assemble the drone and complete the assembly of the power system;
3. Connect the remote controller to the flight controller to complete compass calibration and motor calibration;
4. Check various parameter settings;
5. Unlock and take off for the first time;
6. Various high-end applications of flight control, auxiliary channel settings.

2 Overview of the remote controller

2.1 Remote control (Mode 2)

No.	Annotation	No.	Annotation
1	2.4G 4dBm antenna	11	Right side Stick X2、Y2
2	Toggle 3 positions switcher/ Flying mode	12	Button D (No function)
3	Thumbwheel switch G (No function)	13	Thumbwheel switch H (No function)
4	Button C (No function)	14	Toggle 3 positions switcher (No function)
5	Left side Stick X1、Y1	15	Dust-free plug
6	screen	16	SIM card slot
7	MIC port	17	Charging port
8	Button A (No function)	18	LAN
9	Power switcher	19	PPM output/ Serial cable port
10	Button B (No function)

2.2 Overview of the remote control functions

No.

Buttons

Functions description

Throttle/steering control lever (American mode)

-Push the joystick up and the drone rises.

-Pull down the control stick and descend the drone.

-Turn the control stick to the left, and thedrone

rotates to the left.

Forward/backward/ side fly control lever (American mode)

-Push the joystick up and the drone will move forward.

-Pull down the control stick and make the drone back.

-Press the control stick to the left, and the drone flies

to the left side.

Flying mode control

-Fixed height mode

-GPS mode

-Return home mode

2.3 Remote controller charging

he remote control is charged with a Type-C USB data cable, please see the No. 17 mark. The charging time of the remote control is about 2-4 hours. The power-on icon of the remote control flashes when charging, and the icon goes out when it is fully charged. The use time is around 5-8 hours after being fully charged.

2.4 Remote control antenna angle

(1)Adjust the angle of the remote control antenna to face the drone’s flight direction as much as possible;
(2)Antennas should not obstruct or cross with each other.

Correct operation

Unfold the antenna and vertically upwards

Wrong operation

Antennas cannot cross

The antenna cannot be parallel to the remote control

3 Skydroid Fly APP

3.1 Please use Skydroid Fly APP, you can download by scanning the QR code from the card in the package or from our official

website: www.skydroid.xin

3.2 App main interface

4 Preparation for the first use

Pairing and binding
①Power on the S1Pro, and the binding indicator light is constantly red and the green light flashing slowly;
②Wait for about 30 seconds after powering on, press and hold the frequency binding button until the green light flashes quickly;
③Open the H12Pro assistant app, click on “frequency binding”, and wait for the screen to show successful frequency binding;
④The frequency binding indicator light will continue to flash for around two minutes and then the green light keeps on.

4.1 Rack Type Selection

Quad, hexa, octa, Y6 axis, and triple axis, click on the pattern to save the rack type.

4.2 Flight control monitoring

Channel check: Input the rudder value into the remote control channel.
Output check: PWM channel output rudder value of S1Pro.

4.3 RTK antenna settings

Choose when using the RTK antenna, and do not choose when using the GPS antenna. (Check the purchased item is a RTK version or not)

4.4 Horizontal calibration

Step 1: Place the drone on a flat level ground;
Step 2: Ensure that the drone is in a flat level and free from vibration;
Step 3: Click (Calibration) to start horizontal calibration;
Step 4: Re-power on the drone.

4.5 Compass calibration

Perform ellipsoidal calibration and horizontal & vertical calibration on the drone (detailed information can be viewed by clicking on the “?”)
Note: When using the directional version, there is no need to calibrate the compass

4.6 ESC calibration

Step 1: Connect the drone and remove the propeller from the it;
Step 2: Click [Calibration];
Step 3: Power off the drone;
Step 4: Re-power on the battery;
Step 5: The program will automatically calibrate the ESC (approximately 15 seconds);
Step 6: Unplug and reinsert the battery to ensure normal use.

4.7 Motor testing

Step 1: Enter the throttle value, preferably 5% -10% (for large drone motors with low KV values, it can be set higher);
Step 2: Enter the duration in seconds;
Step 3: Rotate according to the picture, test the motor number to see if the rotation direction is correct.

4.8 Basic Settings

4.8.1 Attitude Setting

Adjust sensitivity and damping to improve the flight attitude of the drone. (For detailed information, click to “?” to check)

4.8.2 Navigation Settings

Set some parameters when executing route tasks or when the drone is in automatic mode. (For detailed information, click to “?” to check)

4.8.3 Speed Setting

Adjust the flight speed of the drone. (For detailed information, click to “?” to check)

4.8.4 Power setting

Low voltage return warning: When this voltage value is reached, the APP will send out a return warning sound.
Forced return voltage: When this voltage value is reached, the drone will forcibly return.
Forced landing voltage warning: When this voltage value is reached, the APP will send out a forced landing alarm.
Forced landing voltage: When this voltage value is reached, the drone will forcibly land off.
Ununlocked compensation voltage: When the drone is powered on and remains unlocked, measure the current voltage of the battery with a multimeter, then check the voltage displayed in the data transmission and fill in the difference.
Full load compensation voltage: The drone needs to be fully loaded, hover for 20 seconds, and record the current voltage. Then lands immediately, wait for another 20 seconds, record the landing voltage, and fill in the difference.
Note: The specific voltage settings can be clicked to “?” for referring

4.9 Other Settings

In other settings pages, you can set V mode to lock (Mode 2) and how long to be locked.

4.10 Auxiliary settings

1. First set the channel you need to control the servo in the H12 Tool App (H12 assistant), and set the fail-safe protection value. If the fail-safe protection value is 0, the current state means maintained.

2.Connect the remote control to the flight control and open the flight control app: Skydroid Fly. Modify the desired channel in the flight control , entering password: 999-Auxiliary Settings.

3.The loss of control protection of the servo can only be triggered after the drone is unlocked.
Test way: Unequipped the propellers on the drone, and after unlocking, turn off the remote control to test whether the servo is running or not.

4.11 Introduction of airplane modes

Flying mode(the flight controller will judge the GPS signal, please	Altitude fixed mode	When the GPS signal is poor or the compass is interfered, the drone will enter “Altitude Fixed Mode”, which only supports manual flying. In the fixed altitude mode, if the fixed point of the drone is abnormal, please land as soon as possible.
	GPS mode	Use GPS to achieve precise hovering and stable flying mode of
	Return Mode	When the drone is switched to the return position or loses control, the drone will climb to the return altitude and return

The flying mode is set by the three-position switch of the serial number of the remote control.serial number 2 of the remote control.

Flying speed	Low speed	Maximum speed 2m/s, ascending speed: 1.2m/s, descending speed 0.4m/s
	Medium speed	Maximum speed 12m/s, ascending speed: 4.2m/s, descending speed 2.0m/s
	High speed	The maximum speed is 17m/s, the ascending speed: 5.1m/s, the descending speed is 4.9m/s

*The flying speed can be changed in “Gear Settings” in the APP.

4.12 Use of laser obstacle avoidance module

Laser obstacle avoidance function: only effective in drone return and automatic mode. When encountering obstacles, it stops moving forward, automatically climbs up, and after avoiding obstacles, it continues to move forward.

5 Out of control protection

The return methods of the drone are RTL return, smart low battery return, and lost connection return. When taking off, GPS>12 pieces, the drone will successfully record the home point. If it is forced to take off without GPS signal, the latest GPS>12 piece position will be recorded as the home point.

Return process	1. Record the home point 2. Trigger the return home condition 3. Adjust the direction of the nose 4. Return home based with the setting in the App (1) Ignore the current altitude of the drone, if the drone is within 5 meters of the horizontal distance, it will land directly. (2) If the drone is 5 meters away and within 20 meters, it will return at the current altitude, and the minimum return altitude is 5 meters. (3) At a distance of 20 meters, the drone will return directly above the return altitude. If the return altitude is less than the set return altitude, the drone will firstly ascending the return altitude and then, return home.
One key return	APP one key return home / remote control button one key return home
Return home with low batteryhome	1. The drone will automatically return to home on low battery or according to its distance to the Home point. 2. If there is no GPS signal or weak signal when returning home with low battery, it will land automatically. 3. When taking off, if it is forced to take off when the GPS signal is not good,the drone will automatically return to the place where it got a good GPS signal for the first time. 4. If the power is less than 10% or the voltage is less than 11.1V, it will enter the landing mode.
Lost connection	When the drone loses connection with the remote control for more than 2 seconds, it will return home automatically. Performance requirements: (1) After the drone loses control for 2 seconds, it will trigger automatic return home; (2) In the process of losing connection and returning to home, if the drone is connected again, the drone will continue to perform the returning procedure; (3) Land directly when there is no GPS signal or the signal is not strong.

6 Hardware installation

First of all you need to have a drone, here let’s take the X-type quadcopter as an example, after you have a fully installed multicopter, please follow the steps below to install your S1-PRO.
(1) Install the S1-PRO on the drone, make sure it is installed in the center of the rack, and ensure that the installation position is horizontal, and the antenna is in the direction of the nose.
(2) Pair the remote controller, connect to Skydroid Fly, and do the previous calibration steps to calibrate your drone.
(3) Unlock the drone with joystick making as an inverted V. If the unlocking is normal, install the propellers and it can fly normally; if the unlocking is not normal, check the red fault prompt in the APP and solve it.

6.1 Install S1-PRO on the drone

Mount the S1-PRO as close to the vehicle’s gravity center as possible, using the foam provided. Make sure the flight controller is pointing forward.

Install GPS, GPS can be regardless of direction, just calibrate the compass is OK.

6.2 Connect flight control to your multi axis system

6.2.1 Selection of motor steering sequence

Green CW rotates clockwise Blue CCW rotates counterclockwise

Note: Because the flight controller has no voltage output, the three-axis model drone needs to add BEC module pins to supply power to the servo.

6.2.2 Identification of clockwise and counterclockwise propellers

Clockwise (called reverse propeller) and counterclockwise (called forward propeller). Thruster propellers are usually marked with a “P”. However not all propellers are marked, so both types can usually rotate in either direction. Therefore, it is more reliable to judge the propellers according to its shape. You can refer to these features to correctly identify the direction of the paddle.

6.2.3 Accessory connection

The 3P cable of the obstacle avoidance dual-axis gimbal is inserted into the pin header on the far right, with the black line on top.

6.2.4 Installation of Webcam

①Power cable	red JST-2P male plug, power supply: 7.2V~72V (DC power supply or lithium battery)
②Network port cable (signal transmission length 50cm)	Network IP signal	RX -: network IP signal RX+：network IP signal TX-：network IP signal TX+：network IP signal
Video transmission	Network IP HD video output RTSP code stream rtsp://192.168.144.108:554/stream=0
The storage card	C10 can currently support a Kingston Micro SD card with a maximum capacity of 64 GB. As the C10 requires fast reading and writing of 1080Pvideo data, please use the standard Sandisk 16G memory card or purchase a Kingston 64G Class 10 Micro SD card to ensure normal video recording. Note: Please do not unplug the Micro SD card during the recording process, otherwise the video obtained during the shooting process may be lost.

Note: The H12 Pro assistant needs to input the RTSP video stream address to display the camera contents

6.3 Basic flying

1. Fully charge the battery before flying.
2. Put the drone on a flat and open ground with the user facing the tail of the drone (the battery tail plug is the tail of the drone).
3. Install the propeller correctly.

4. Turn on the remote control (long press the power button), and insert the battery plug into the power supply port of the drone.
5. Wait for the drone motor to make a long beep before the self-check succeeds.
6. Open the Skydroid Ground Station APP and click on the connection icon to connect to the video/image transmission. The GPS mode is recommended for take-off. It will search for satellites automatically, when the numbers of satellites more than 12 pieces, it can unlock and take-off.
7. Move the joystick upside-down “V” mode to unlock the drone, and slowly push the throttle joystick upward to let the drone take off smoothly.
8. If it is a big plane and it shakes, you need to adjust the sensitive in the app.
9.Pull down the throttle stick to land the drone.
10.After landing, pull the throttle stick to the lowest position and hold it for more than 3 seconds until the motor stops.
11. Plug out the drone battery from the drone tail and the power of the remote controller in turn after stopping.

6.4 Geo-fence

The Geo-fence is turned off default. If necessary, it can be turned on in flight control and dispatching parameter.
This is a security protection mechanism that protects the drone from flying out of the range you set. Enabling this mechanism will detect whether GPS is positioned, and it cannot be unlocked without positioning.

7 Log download and checking

Check flight records in Skydroid Fly app.

8 FAQ

1.The remote control cannot be connected.
①Check whether the APP type is correct.
②Whether the background occupies the Skydroid Fly APP or not.
2.The image is stuck and disconnected
①Adjust the angle of the antenna to aim at the drone, and there should be no obstruction in the middle.
②Change the flying field, do not fly near tall buildings or signal towers.
3.Unsteady hovering of the drone
①Change the flying field, do not fly near tall buildings or signal towers.
②Carry out drone compass calibration and level calibration.
③check whether the wind is too strong to affect the flight.
④Fine-tuning the sensitivity.
4.The GPS accuracy of the drone is inaccurate or cannot pass the GPS accuracy test.
①Search for at least 11 GPS in an open outdoor place.
5.Unclear shooting.
①Check if the protective film of the lens is removed.
②whether use in a good light environment.
6.The lens is hazy and foggy.
①The humid climate causes the lens to fog, change the storage location of the drone.
②Place desiccant when storing.
7.Lost pictures or videos taken.
When finish recording, please remember to click the “recording” icon to stop recording, otherwise the video may be damaged or lost.

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