APM 2.9 Flight Controller Board with Integrated Compass — Upgraded from APM 2.6/2.8 for ArduPilot-Based Quadcopters

Description

APM2.9 is used in the same way as APM2.6, 2.8. The benefit is that APM 2.9 supports PPM and SBUS receiver protocols.

Why use the SBUS/PPM protocol? The communication speed is fast, the wiring is simple, only one line is needed, unlike each channel of the PWM, the PWM communication speed is slower than PPM/SBUS.   The product supports the PPM receiver protocol and supports the PWM protocol. Before using this product, make sure your receiver is PPM-enabled. If your receiver does not support PPM, use the PWM protocol.   Also, you can upload firmware from Mission Planner.Uploading firmware does not affect support for PPM. When connect INPUT 2 and 3（Insert Jumper）,use PPM. when Disconnect INPUT 2 and 3(Remove Jumper) ,use PWM  

package included:

1x APM2.9 flight controller board with shell

1x RC Receiver Connection Line

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