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MATEKSYS CRSF-PWM-6 CRSF to PWM Converter 6 PWM 50-400Hz Output 2 UARTS External Current Sensor Failsafe Auto Set for RC Receiver

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Specifications:

Brand Name: MATEKSYS Item Name: CRSF-PWM-6 Converter Model: CRSF-PWM-6 Weight: 1.3g Size: 25x16mm Compatible with CRSF protocol receiver only 6x PWM outputs (frequency 50-400Hz) PWM frequency configurable (50Hz default, 100,160,330, 400Hz) 2x UARTs (for Receiver and GPS) Telemetry ID: RxBt, Curr, Capa, Bat%, GPS, GSpd, Hdg, Alt, Sats 36V Max. battery voltage sense (1K:10K voltage divider built-in) Compatible with external Current sensor (0~3.3V) Vbat and Current sensor scale configurable Failsafe value auto set Firmware upgradeable Rated voltage: 4~9V @5V pad, 0~36V @Vbat, 0~3.3V @Curr No 5V regulator built-in

Pinouts and Pads:

Tx1/Rx1(UART1) for CRSF protocol Receiver Tx2/Rx2(UART2) for GPS/firmware update/setting parameters 1~10: CH1~CH10 PWM outputs Curr: current sensor signal (0~3.3V) Vbat: Battery voltage sensing (0~36V) G: ground 4v5 pad voltage = 5V pad voltage -0.3V, make sure the voltage on 5V pad is not higher than receiver and GPS rated voltage.

Failsafe:

Failsafe value is set automatically after CRSF-PWM board is powered on and receive CRSF signal. LED blinks 8 times quickly. Failsafe value = The PWM value of each channel(except CH3) when CRSF signal is received by CRSF-PWM board for the first time CH3 is specially arranged for the throttle, Failsafe value = 988 by default. Usually put the Throttle joystick to the lowest point, put AIL(Roll), ELE(Pitch), RUD(Yaw) middle before powering on receiver.

LED status:

slow blinks: CRSF-PWM board doesn’t receive CRSF signal, e.g., receiver is not bound with transmitter, receiver is not connected to UART1 of CRSF-PWM board. 8x quick blinks: CRSF-PWM board received CRSF signal and failsafe value is saved. solid ON: CRSF-PWM board and receiver are working normally 2x slow blinks between 8x fast blink and solid on: CLI mode is active

GPS telemetry:

Compatible with GPS NMEA protocol GPS “TX” to CRSF-PWM board “RX” Single wire half duplex UART connection, CRSF-PWM board “TX” to GPS “RX” is not essential. Support GPS Telemetry ID: GPS, GSpd, Hdg, Alt, Sats u-blox series GPS can output “0+1 – UBX+NMEA” protocol by default Sensors(GPS, GSpd, Hdg, Alt, Sats) will blink in Transmitter TELEMETRY tab once CRSF-PWM board has connection with GPS. Troubleshooting for no GPS telemetry, double check the wiring between GPS and CRSF-PWM board, some u-blox GPS may don’t output NMEA protcol, you need to be reverted GPS to default configuration in u-center.

TIM & PWM Frequency:

PWM frequency on all 10x Channels can be configured according to TIM PWM run at 50Hz by default TIM2: CH1, CH2, CH4 TIM16: CH3 TIM3: CH5, CH6, CH7, CH8 TIM1: CH9, CH10

CLI mode:

If CRSF-PWM board doesn’t detect GPS connected to UART2 within 10 seconds after powering on, CLI mode will active. After CLI mode is active, CRSF-PWM board can be connected to configurator via USB-TTL module/FC passthrough. in CLI mode, CRSF-PWM board firmware can be updated CLI mode has no effect to receiver CRSF signal and PWM outputs

Package included:

1 x CRSF-PWM-6 Converter 1 x Dupont 2.54 pins

SKU: BS040-001 Categories: ,
Weight 0.02 kg

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