SIYI N7 Autopilot Flight Controller Compatible with Ardupilot and PX4 Ecosystem M9N GPS and 2 to 14S Power Module For Drone UAV UGV USV Robotics

Hardware
Main Processor: STM32H743IIK6 (32 Bit Arm® Cortex®-M7, 480 MHz, 2 MB memory, 1 MB RAM)
Coprocessor: STM32F103 (32 Bit Arm® Cortex®-M3, 72 MHz, 20 KB SRAM)

Sensors
Accelerometer / Gyro: BMI088 / ICM20689
Electronic Compass: IST8310
Barometer: MS5611

External Interface
UART Serial Port: 4
I2C: 3
CAN: 1
PWM Output:
- 8 x Standard PWM IO
- 5 x Programmable IO
RC Input (SBus): 1
Power Module Input: 1
GPS & Safety: 1
USB (Type-C): 1
TF Slot: 1

Overall
Compatible Model: PX4 / Ardupilot Firmware (Planes / Multirotors / Helicopters / VTOL / UGV / USV)
Power Module Voltage Input: 4.5 ~ 5.5 V
USB Voltage Input: 5 V ( ± 0.25 V)
Servo Voltage: 0 ~ 10 V
Working Temperature: -20 ~ 65 ℃
Product Dimension: 47 x 68 x 19 mm
Product Weight: 57 g

RETURNS POLICY

1. Please contact us first with following information before shipping back:
-order number/contact person
-reason for returning
After confirmed with us, return instructions will be emailed to you.

2. We may require restocking fee(shipping cost) for returned merchandise without any quality problems. A re-stocking fee does not apply to defective products.

3. All merchandise returned must be packaged well to protect it from shipping damage, and must be sent with a shipping method that provides tracking information. We can not be held responsible for damage that occurs in transit. 
4. For merchandise that a customer wants to return for a refund, We requires that the item and its packaging be in un-used, "like new" condition with all original packaging, cabling, manuals, etc. included, or the return will be refused. Inspect your product carefully before shipping as any signs of wear or use will result in a refused product return.

Please also include a note about your personal Info and the problems.

1.Your order number/Contact person
2.Your Detailed shipping address
3.why you have to return it?
4.what do you need us to do?
5.which part is broken?
6.Any problem you can find so far with the returned item.

SHIPPING

After order placed, you will receive a confirmation email.Once your order is shipped, you will receive tracking number and link via email.We offer express shipping , battery shipping, drone shipping to all over the world.If you have special declare value, shipping company requirment, please email us: hi@insightfpv.com