MATEKSYS CRSF-PWM-C Signal Converter for Crossfire & ELRS Drones

Introduction

The MATEKSYS CRSF-PWM-C is a versatile signal converter designed to bridge the gap between modern radio control protocols like Crossfire (CRSF) and ExpressLRS (ELRS) and traditional PWM servo outputs. This makes it an indispensable component for builders and pilots of fixed-wing aircraft, long-range FPV drones, and any RC setup requiring precise control over multiple servos. It simplifies complex wiring and enhances the capabilities of your remote control system by converting serial CRSF data into ten independent PWM signals.

Key advantages

• Seamlessly converts CRSF protocol signals to ten PWM outputs for versatile servo control.
• Compatible with all CRSF frequency bands, ensuring broad radio link support.
• Provides integrated telemetry data including battery voltage, current, capacity, and GPS information.
• Features built-in current and voltage sensors for real-time system monitoring.
• Dual UART ports allow for easy connection of receiver, GPS, and configuration interfaces.
• Supports configurable PWM output frequency (50-400 Hz) for various servo types.
• Automatic failsafe value detection and updatable firmware for future-proofing.
• Compact 26x26mm form factor with a lightweight design for easy integration into any build.

Technical specifications

• PWM Outputs: 10 channels, adjustable frequency (50-400 Hz)
• Telemetry IDs: RxBt, Curr, Capa, Bat %, GPS, GSpd, Hdg, Alt, Sats
• Voltage Sensor: Up to 36V (integrated 1K:10K voltage divider)
• Current Sensor: 90A continuous, 220A peak, default scale 150
• Input Power: 4-9V via 5V pad; 0-36V via BAT+ pad (requires external 5V source for servos)
• Dimensions: 26 x 26 mm
• Weight: 2.8 g
• Included: 1x MATEKSYS CRSF-PWM-C converter, 1x low ESR capacitor, 1x Dupont 2.54mm pin connector

Applications

This signal converter is ideal for a wide range of RC applications, including FPV racing drones, long-range exploration UAVs, fixed-wing aircraft requiring precise flight control, and custom servo-driven robotic projects. It's particularly useful for builds utilizing Crossfire or ExpressLRS radio systems where multiple PWM outputs are needed for flight controllers, servos, or other actuators.

Compatibility

Designed exclusively for CRSF protocol receivers. Features dual UART ports for receiver and GPS connection. Requires an external 5V source for servo power when using the BAT+ input.

FAQ

What is the MATEKSYS CRSF-PWM-C signal converter used for?

The MATEKSYS CRSF-PWM-C converter transforms CRSF protocol signals (from radios like Crossfire or ExpressLRS) into ten independent PWM outputs. This is perfect for controlling multiple servos or actuators on FPV drones, fixed-wing aircraft, and other RC models that require precise servo actuation.

What are the key technical specifications of the CRSF-PWM-C?

It offers 10 PWM outputs with adjustable frequency (50-400 Hz), supports telemetry IDs (RxBt, Curr, GPS, etc.), has built-in voltage (up to 36V) and current (90A continuous) sensors, and features dual UART ports. Its compact size is 26x26mm and weighs only 2.8g.

Is the MATEKSYS CRSF-PWM-C compatible with ExpressLRS?

Yes, the MATEKSYS CRSF-PWM-C is designed exclusively for CRSF protocol receivers and is therefore fully compatible with ExpressLRS (ELRS), which uses the CRSF protocol.

What type of drones or aircraft is this converter best suited for?

This converter is ideal for fixed-wing aircraft, long-range FPV drones, and complex servo-driven builds. It's particularly beneficial for setups using Crossfire or ExpressLRS radio systems that need to control numerous servos or actuators.

Where can I buy the MATEKSYS CRSF-PWM-C with reliable delivery?

You can order the MATEKSYS CRSF-PWM-C at HTDRONE, your specialized FPV drone parts store. We offer fast delivery within Poland and reliable worldwide shipping via DHL, ensuring you get your parts quickly.