CUIPPWRJ BLITZ F7 Stack

CUIPPWRJ BLITZ F7 Stack V1.1 Flight Controller and E55 4-in-1 ESC Instruction Manual

Model: BLITZ F7 Stack (CUIPPWRJ123)

1. Introduction

This manual provides detailed instructions for the CUIPPWRJ BLITZ F7 Stack, which includes the BLITZ F7 V1.1 Flight Controller and the BLITZ E55 4-IN-1 2-6S 32bit Electronic Speed Controller (ESC). This stack is designed for drone applications, offering enhanced flight control capabilities and efficient power delivery. Please read this manual thoroughly before installation and operation to ensure proper functionality and safety.

2. Product Features

  • Integrated Design: Combines a powerful F7 Flight Controller and a 55A 4-in-1 ESC into a compact stack.
  • Advanced Flight Controller: Features an STM32 F722 MCU and BMI270 Gyro for precise flight control.
  • High-Performance ESC: BLITZ E55 4-in-1 ESC supports 2-6S LiPo input with 55 Amps constant current and BLHELI_32 firmware.
  • Optimized for HD VTX: Includes a dedicated HD VTX Connector for plug-and-play integration without soldering.
  • Improved Reliability: Enhanced design with better components and reduced electrical noise.
  • Visual Debugging: FC indicator LEDs provide visual feedback for easier troubleshooting.
  • Blackbox Logging: 16MB onboard flash for flight data recording.

3. Specifications

3.1. BLITZ F7 V1.1 Flight Controller

  • MCU: STM32 F722
  • Gyro: BMI270
  • Barometer: DPS310
  • OSD Chip: AT7456
  • Flash: 16MB (Blackbox)
  • UARTS: 6
  • Motor Outputs: 4x (SH1.0 connector)
  • I2C Serial: SDA / SLA pads
  • VTX Protocol: Smartaudio / IRC Tramp supported
  • Beeper Pad: Yes
  • Firmware Target: IFRC-IFLIGHT_BLITZ_F722
  • Mount Pattern: 20x20 mm / 4mm PCB hole diameter, with silicon grommets for M3 screws
  • Dimensions: 30.5x27 mm
  • Weight: 5g

3.2. BLITZ E55 4-IN-1 2-6S ESC

  • Dimension: 35x42mm
  • Mounting Holes: 20x20mm / Φ4mm
  • Weight: 11.3g
  • LiPo Input: Supports 2-6S
  • MCU: G071
  • Constant Current: 55 Amps
  • Burst Current: 60 Amps
  • Current Sensor: Yes
  • BEC: No
  • Current Rate: 100
  • Supported Protocols: DSHOT150/300/600, MULTISHOT, ONESHOT
  • Firmware: BLHELI_32
  • Target: IFLIGHT_BLITZ_G1

4. Setup and Installation

Careful wiring is crucial for the proper function and safety of your drone. Refer to the following suggestions for connecting the BLITZ F7 V1.1 Flight Controller and BLITZ E55 4-IN-1 ESC.

BLITZ E55 4-in-1 ESC board layout

Image 1: BLITZ E55 4-in-1 ESC board layout. This image displays the top-down view of the BLITZ E55 4-in-1 ESC, highlighting the motor pads (M1, M2, M3, M4), power input pads (+ and -), and various components including capacitors and MOSFETs. The board is green with gold-plated pads.

4.1. Wiring Suggestions for BLITZ F7 V1.1 Flight Controller

  • UART 1: Connect to your HD VTX (Digital Video Transmitter) or Analog VTX.
  • UART 2: Connect to your Receiver (e.g., SBUS, CRSF, ELRS).
  • UART 3/4/5: Available for GPS modules or other serial sensors.
  • UART 6: Dedicated for ESC Telemetry, allowing the flight controller to receive data from the ESC.
  • Motor Outputs: Connect the 4 motor signal wires from the ESC to the corresponding motor outputs on the FC using the SH1.0 connector.
  • Power Connection: Ensure correct polarity when connecting the main battery power to the ESC, and then connect the ESC to the FC as per the provided wiring harness.

4.2. Mounting

The flight controller and ESC have a 20x20 mm mounting pattern. Use the provided silicon grommets with M3 screws to securely mount the stack to your drone frame. Ensure no components are short-circuited by the frame or mounting hardware.

5. Operating Instructions

After successful installation and wiring, proceed with the following steps for initial setup and operation:

  1. Firmware Flashing: Connect the flight controller to your computer via USB. Use Betaflight Configurator (or similar software) to flash the appropriate firmware target (IFRC-IFLIGHT_BLITZ_F722 for FC, IFLIGHT_BLITZ_G1 for ESC via BLHeliSuite32).
  2. Configuration: Configure the flight controller settings in Betaflight, including receiver protocols, motor directions, ESC protocols (DSHOT600 recommended), and OSD settings.
  3. Calibration: Calibrate the accelerometer and ensure the gyroscope is functioning correctly. Calibrate ESCs if necessary, though DSHOT protocols typically do not require manual calibration.
  4. Pre-Flight Checks: Before connecting a battery, double-check all wiring for correct polarity and secure connections. Perform a motor direction test with propellers removed for safety.
  5. First Flight: Conduct the first flight in a safe, open area. Start with gentle maneuvers to verify stability and control.

6. Maintenance

Regular maintenance helps ensure the longevity and reliable performance of your BLITZ F7 Stack:

  • Visual Inspection: Periodically inspect the flight controller and ESC for any signs of physical damage, loose connections, or burnt components.
  • Cleaning: Keep the boards free from dust, dirt, and moisture. Use compressed air or a soft brush for cleaning. Avoid using liquids directly on the electronics.
  • Firmware Updates: Check for and apply firmware updates for both the flight controller and ESC as recommended by the manufacturer to benefit from bug fixes and new features.
  • Connection Integrity: Ensure all connectors (SH1.0, power leads) are securely seated and free from corrosion.

7. Troubleshooting

If you encounter issues, consider the following common troubleshooting steps:

  • No Power/No Lights:
    • Check battery connection and polarity.
    • Inspect for short circuits on the board or wiring.
    • Verify USB connection to the computer.
  • Motors Not Spinning/Incorrectly:
    • Ensure ESCs are armed.
    • Check motor wiring to the ESC.
    • Verify motor direction in Betaflight/BLHeliSuite32.
    • Confirm ESC protocol is correctly set in Betaflight.
    • Check for bent motor shafts or damaged propellers (remove props for testing).
  • No Receiver Input:
    • Verify receiver is powered and bound to the transmitter.
    • Check receiver wiring to the correct UART on the FC.
    • Ensure the correct receiver protocol (e.g., SBUS, CRSF) is selected in Betaflight.
  • Unstable Flight:
    • Check for loose components or frame damage.
    • Ensure propellers are balanced and undamaged.
    • Review PID settings in Betaflight (start with default settings if unsure).
    • Verify FC is mounted securely and isolated from vibrations.

For further assistance, consult online forums, community groups, or contact CUIPPWRJ customer support.

8. Package Contents

The BLITZ F7 Stack package includes the following items:

  • 1x BLITZ F7 V1.1 Flight Controller
  • 1x BLITZ E55 4-IN-1 2-6S ESC
  • 1 set x Silicon Grommets
  • 1 set x Wire Harness for F7 Flight Controller

9. Warranty and Support

CUIPPWRJ products are manufactured to high standards. For warranty information and technical support, please refer to the official CUIPPWRJ website or contact your retailer. Keep your proof of purchase for any warranty claims.

© 2024 CUIPPWRJ. All rights reserved.

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