APM2.9 APM2.8 flight controller board Support PPM apm2.6 2.8 upgraded internal compass for RC Quadcopter Multicopter Ardupilot RC Plane Quadcopter Telemetry and mission planner by

Telemetry and mission planner by default

2X40mm / 1

the buyer need to provide inspection pictures

Thanksgiving

Shipping cost is bear by both seller and buyer in half

APM2.9 APM2.8 flight controller board Support PPM apm2.6 2.8 upgraded internal compass for RC Quadcopter Multicopter Ardupilot RC Plane Quadcopter Telemetry and mission planner byAPM2. 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