JHEMCU SPP-SBUS 8CH SPP Signal Converter PPM PWM SBUS Conversion Module 3.3-20V for DIY RC Airpanle Drone FLYSKY IA6B FRSKY X8R Receivers. When the PPM channel inputs the PPM signal, it corresponds to the 1-8 channel output PWM signal, and the SBUS channel outputs the SBUS signal.
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