YSIDO F405 F4 V3S PLUS Flight Controller and ESC Stack Combo

1. Introduction

This manual provides detailed instructions for the YSIDO F405 F4 V3S PLUS Flight Controller and the accompanying 4-in-1 ESC (available in 50A and 60A variants). This stack combo is designed for FPV drones and offers robust performance and connectivity. Please read this manual thoroughly before installation and operation to ensure proper functionality and safety.

2. Package Contents

Verify that all components are present in your package:

• YSIDO F405 F4 V3S PLUS Flight Controller
• YSIDO 4-in-1 ESC (50A or 60A variant)
• Connecting cables (ribbon cables, signal wires)
• Capacitor
• Power lead with XT60 connector

Figure 1: YSIDO F405 F4 V3S PLUS Flight Controller and ESC Stack Combo components, including the flight controller, ESC, connecting cables, capacitor, and power lead.

3. Setup and Installation

Careful installation is crucial for the performance and safety of your drone. Follow these steps for proper assembly and wiring.

3.1 Assembly

1. Mount the 4-in-1 ESC to your drone frame using appropriate standoffs.
2. Connect the flight controller to the ESC using the provided ribbon cable. Ensure correct orientation as indicated by markings on the boards.
3. Secure the flight controller on top of the ESC using the remaining standoffs.

Figure 2: Assembled YSIDO F405 F4 V3S PLUS Flight Controller and ESC Stack, showing the compact form factor.

Figure 3: Close-up view of the assembled YSIDO F405 F4 V3S PLUS Flight Controller and ESC Stack, highlighting the USB-C port and connection ribbon.

3.2 Wiring Diagram

Refer to the detailed wiring diagram below for connecting peripherals such as FPV camera, VTX, GPS, receiver, and LED/Buzzer. When not using the ribbon cable connection, ensure correct polarity (+/-) and voltage for all input voltage pads.

Figure 4: Detailed wiring diagram for the YSIDO F405 Flight Controller, illustrating connections for FPV camera, VTX, GPS, ESC, receiver (RX/CRSF), and LED/Buzzer. Includes notes on power selection and PPM/S.BUS configuration.

• FPV Camera: Connect to the FPVcam pads. Power selection for the camera is typically 5V (default).
• Video Transmitter (VTX): Connect to the VTX pads. Power selection for the VTX is typically 9V (default).
• GPS Module: Connect to the GPS pads. Note that the VTX and GPS share the TX3 port; only one can be used at a time.
• Receiver (RX/CRSF): Connect your receiver to the designated RX/CRSF pads.
• PPM/S.BUS: The flight controller defaults to S.BUS mode, requiring no short circuit. For PPM mode, a short circuit is required. Select the appropriate short circuit configuration based on your receiver's protocol.
• LED/Buzzer: Connect WS28128 serial LED and buzzer to the dedicated pads.
• ESC Connection: The ESC connects to the flight controller via the ribbon cable. If soldering directly, ensure correct input voltage pads and polarity.

4. Operating Instructions

After physical installation, the flight controller needs to be configured using flight control software, typically Betaflight or INAV.

4.1 Firmware and Configuration

1. Connect the flight controller to your computer via the USB-C port.
2. Download and install the latest Betaflight Configurator or INAV Configurator software.
3. Flash the appropriate firmware for the F405 flight controller.
4. Configure the flight controller settings, including receiver protocol, motor layout, ESC protocol (DShot150-300-600/Multishot/Oneshot/PMW), OSD, and other parameters.
5. Calibrate accelerometers and gyroscopes.
6. Ensure your ESCs are properly calibrated and configured, typically using BLHeliSuite32 or BLHeli_S Configurator, if not already done through Betaflight passthrough. The ESC firmware is BLHELI-S J_H_30_REV16_7.

4.2 Pre-Flight Checks

• Verify all connections are secure.
• Check motor direction and order in the configurator.
• Confirm receiver input is correctly registered and channels respond as expected.
• Perform a dry run (without propellers) to ensure motors spin correctly and respond to throttle.

5. Maintenance

Regular maintenance helps prolong the life and ensure the reliability of your flight controller stack.

• Inspection: Periodically inspect all solder joints and connections for signs of wear, corrosion, or damage.
• Cleaning: Keep the boards free from dust, dirt, and debris. Use compressed air or a soft brush. Avoid using liquids directly on the electronics.
• Firmware Updates: Check for new firmware releases for both the flight controller (Betaflight/INAV) and ESCs (BLHeli_S) to benefit from performance improvements and bug fixes.
• Physical Damage: After any crash or hard landing, carefully inspect the boards for cracks, bent pins, or detached components.

6. Troubleshooting

This section addresses common issues you might encounter.

• No Power: Check battery connection, power lead polarity, and ensure the main power pads on the ESC are correctly soldered.
• Motors Not Spinning: Verify ESC connections to the flight controller, check motor order and direction in the configurator, and ensure ESCs are armed. Confirm the correct DShot/Multishot/Oneshot/PMW protocol is selected.
• No Receiver Input: Check receiver wiring (signal, ground, power), ensure the correct receiver protocol (e.g., SBUS, CRSF, PPM) is selected in the flight controller configuration, and that the receiver is bound to your radio.
• Flight Instability: Re-check PID tuning, ensure propellers are balanced and undamaged, and verify the flight controller is securely mounted and isolated from vibrations.
• USB Connection Issues: Try a different USB-C cable, ensure Betaflight/INAV configurator is up-to-date, and check device manager for driver issues.

For more in-depth troubleshooting, consult the official documentation for Betaflight/INAV and BLHeli_S firmware.

7. Specifications

YSIDO F405 F4 V3S PLUS Flight Controller

• Processor: STM32F405
• IMU: MPU6000 (or similar)
• OSD: Betaflight OSD
• Blackbox: SD Card slot
• USB Port: USB-C
• Input Voltage: 2-6S LIPO (via ESC)
• BEC Output: 5V, 9V (selectable for peripherals)
• UARTs: Multiple available (e.g., TX3 shared for VTX/GPS)
• Dimensions: (Typically 36x36mm mounting pattern, actual board size may vary slightly)
• Material: Composite Material
• Origin: Mainland China
• Recommended Age: 14+ years

YSIDO BLHELI-S 4-in-1 ESC (50A & 60A Variants)

Figure 5: Top and bottom views of the YSIDO F405 Flight Controller and the 4-in-1 ESC board, showing component layout and solder pads.

Figure 6: Detailed views of the YSIDO F405 Flight Controller (top and bottom) and the 4-in-1 ESC (top and bottom), with labels for various pads and components.

8. User Tips

• Always double-check your wiring before applying power to avoid damage to components.
• Use a smoke stopper during initial power-up to prevent damage in case of a short circuit.
• Keep your flight controller firmware and ESC firmware updated to benefit from the latest features and performance improvements.
• When configuring in Betaflight/INAV, save your configuration settings regularly.
• For optimal performance, ensure your flight controller is mounted with adequate vibration dampening.

9. Warranty and Support

This product is covered by the manufacturer's standard warranty against defects in materials and workmanship. Please retain your proof of purchase for warranty claims.

For technical support, troubleshooting assistance, or warranty inquiries, please contact the seller or manufacturer directly. Provide your product model and a detailed description of the issue for efficient support.