Fangrui Product Details Support Wide Voltage Input, Vcc Input Voltage Range Is 3v-30v, 5v Is Recommended. The Module Uses 32-bit Arm Core Single Chip Microcomputer To Collect And Convert Signals, Which Is Much Faster Than Ordinary 8-bit Single Chip Microcomputer. All Channel Waveforms Are Collected And Output By Hardware , And The Accuracy Is Stable At Nanosecond Level, And The Stability Is Not Comparable To That Of Ordinary Open Source For Analog Waveforms. Anti-reverse Connection Protection For All Pins, Including Reverse Connection Of Power Supply, Not Burn. 1-8 Channels Are Input Or Output Channels Of Pwm Signals, 9 Channels Are Input Channels Of Ppm Or Sbus Or Crsf Signals, And 10 Channels Are Output Channels Of Ppm Or Sbus Or Crsf Signals. The Input Signal Is Automatically Recognized Without Manual Switching. Input Pwm Signal, Output Ppm And Sbus Or Crsf Signal Input Ppm Signal, Output Pwm And Sbus Or Crsf Signal Input Sbus Signal, Output Pwm And Ppm Or Crsf Signal Input Crsf Signal, Output Pwm And Ppm Or Sbus Signal Not