Radiolink is a high technology manufacturing company dedicated to researching, manufacturing and marketing of RC model radio transmitters. We are committed to providing customers with a high reliability and high performance product solution, as well as providing technical support and friendly after-sales service.

How to connect:
1.Require your PIXHAWK is version 3.5 or later version when you will use automatic obstacle avoidance function.
2.Use the 6pin wire connect the Ultrasonic Sensor SU04 insert to the TELEM1 or TELEM2 port of PIX.

Please Note:
1.Automatic obstacle avoidance function asks the firmware of PIXHAWK is version 3.5 or later version.
2.The flight controller cannot identify the detection distance when the sensor is far from the obstacle more than 450cm, it will altitude hold by barometer.
3.PIXHAWK have to powered by LiPo battery, it cannot power by USB when you use this utrasonic sensor SU04.
4.When you ready for the first flight, please make your drone at a lower speed to keep the safe flight.
5.please reconnect the PIXHAWK and reopen the MP after all the parameters setup as all the above steps.

Obstacle Sensor Specifications:
Size: 20*22*19mm
Weight: 8g(include wires)
Input Voltage: 4.5~5.5V(No high voltage)
Current: 18mA@5v
Transmit Rate: 90mA
Working Temperature: -20°~80°
Detection Range: 40cm~450cm
Detection Accuracy: 0.4CM
Detection Frequency: 40+-1.0KHz
Output: I2C/Mavlink

Brand	Radiolink
Item dimensions L x W x H	20 x 19 x 22 Millimeters
Material	Plastic
Item Weight	8 Grams
Style	ultrasonic sensor
Current Rating	18 Milliamps
Maximum Supply Voltage	5.5 Volts
Measurement Accuracy	0.4 cm
Measuring Range	40cm to 450cm
Mounting Type	Flange Mount
Output Type	Digital
Response Time	30 Milliseconds
Sensing Distance	450 Centimetres
Specific Uses For Product	agriculture, training, rescue
Manufacturer	Radiolink
Model Number	SU04
Assembly Required	No
Batteries Required	No
Material Type(s)	Plastic
Colour	Green
Product Dimensions	1.98 x 1.91 x 2.18 cm; 8 g
Item model number	SU04
Manufacturer recommended age	14 years and up
Country of Origin	USA
Item Weight	8 g

Radiolink SU04 Ultrasonic Sensor Range Finder Obstacle Avoidance for Helicopter, Multirotor, Airplane, Car, and Boat, Compatible with PIXHAWK, MINPIX and Turbo PIX

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