FPV - Khóa Học Từ Cơ Bản Đến Chuyên Gia. Lý Thuyết Toàn Diện

ONLINE FPV COURSE

Course Content:

Lesson 1: Classification of FPV Drones

The most popular models on the market. Preparation for flights. Initial equipment. Characteristics of TINYWHOOP, CINEWHOOP, FREESTYLE, CINELIFTER, LONG RANGE drones. Drawbacks of these drones. Starter kits.

Lesson 2: FPV Drone Construction

General overview of components and their interaction. Frame, Motors, Electronic Speed Controller (ESC), Capacitor, Flight Controller (FC), Integrated AIO boards, Separate ESC and PDB boards, Receiver (RX), Video Transmitter (VTX), Camera, Antenna, GPS module, Buzzer.

Lesson 3: FPV Drone Frames

Choosing a frame. Detailed review of frame construction. Importance of quality and arm thickness. Impact of frame size on flight style. Racing FPV drone. Drone for videography. Drone for long-distance flights. Material selection. Size of the central mounting scheme. Calculation of frame and propeller size. Frame shapes (True-X, Stretch X, Deadcat, H-frames, Box frames, Plus frames). Frame materials. Mounting holes on the arms. Aesthetics and additional aspects of frame selection.

Lesson 4: Flight Controller (FC)

Main functions of the flight controller. Choosing a flight controller. Detailed overview of built-in sensors. Built-in sensors. Flight controller sizes. Processor generations. Gyroscope selection. Proper flight controller mounting. BEC (Battery Elimination Circuit). Connection connectors. Blackbox. UART (Universal Asynchronous Receiver/Transmitter). Compatibility with ESC. Sealing. Checking pin count and voltage. Soldering and wire management.

Lesson 5: Speed Controller (ESC)

Main function of ESC. Changing motor rotation direction. Active braking. ESC protective functions. Power consumption optimization. Control protocols (PWM, PPM, Oneshot, Multishot, DShot). Importance of hardware compatibility. Proper ESC mounting on the frame. Motor rotation setting schemes (Props In and Props Out). Types of ESC. 4-in-1 ESC. Separate ESC. Selecting ESC based on parameters. ESC firmware (BLHeli_S, Bluejay, BLHeli_32, AM32).

Lesson 6: Motors

Key characteristics for motor selection. Types of motors. Motor construction. Propeller size selection. Current consumption calculation. KV rating. Thrust calculation. Number of poles and magnets. Mounting dimensions. Types of motors for FPV drones. Impact of stator size on torque. Popular motor sizes. Impact of drone weight on motor selection. Battery impact on motor speed. Motor selection based on thrust parameters. ESC selection for motors. Motor maintenance.

Lesson 7: Propellers

Propeller selection depending on the task. Determining propeller size for the frame. Propeller pitch selection. Review of propeller materials. Compatibility with motors. Propeller shapes (Normal, Bullnose, Hybrid Bullnose, RaceKraft, Bi-blade, Tri-blade, for 3D flights). Propeller mounting. Impact of the number of blades on stability and thrust. Balance of efficiency and power. Blade number selection for different tasks. Importance of propeller weight for performance. Blade weight distribution.

Lesson 8: Video Transmitter, Goggles, Camera

Criteria for selecting a video transmitter. Video transmitter selection for freestyle, racing, shooting, long flights. Type of video communication. Compatibility with the flight controller. Additional features (SmartAudio, Tramp Telemetry). Operating frequencies. Camera selection. Receiver (goggles) selection. Pros and cons of video systems. Impact of electrical noise. Signal security. Frequency selection. Connecting an analog FPV camera to VTX. Connecting camera and VTX to FC. UART selection in Betaflight. Antenna connection. Choosing a digital system (DJI, HDZero, Walksnail). DJI equipment compatibility. Power and parameter settings in goggles. Video recording and image duplication. Connecting the digital system. Adapter for viewing analog video stream on DJI digital goggles. HDZero features. Course camera cost and options. Walksnail Avatar features. Bidirectional communication and image quality. Goggles compatibility. Signal delay comparison between systems. Output power impact on range and stability. Power switching methods. Camera sizes and standards. Aspect ratio (4:3, 16:9). Field of view (FOV). Lens thread size. Focus adjustment. Lux value. Sensor size. Frequency, channels, and bands. Goggles and helmets selection. IPD system.

Lesson 9: Receiver, Radio Transmitter, and External Modules

Operating frequencies for receivers and radio transmitters. Control protocols. Pros and cons of ExpressLRS. Update rates. Pros and cons of Crossfire. Compatible frequencies and antennas for ELRS. Radio transmitters. Importance of initial purchase. Radio transmitter firmware. EdgeTX or OpenTX. Switch types on the transmitter. Stick settings. Transmitter modes. Internal transmitter protocols. ELRS, CC2500, 4 in 1. LBT or FCC. External modules. Module installation. Operating frequencies and update rate. Receiver soldering to FC. Binding process. Receiver mounting to the frame. PA, LNA, TCXO. Diversity system receivers and their mounting.

Lesson 10: Antennas, Radio Frequencies, Reading Radiation Patterns, VSWR, Impedance

Antenna structure. Antenna working principle. Antenna directionality. Reading radiation patterns. Antenna polarization. Types of antennas. Antenna selection for video receiver and transmitter. Drone control antenna selection. Antenna gain. Radiation pattern formation. Axial ratio. VSWR value and measurement. Impedance impact on antenna performance.

Lesson 11: Batteries. Charging Stations. Safety.

Battery components. LiPo battery manufacturing process. Differences between LiPo and Li-ion batteries. Optimal battery capacity selection. Voltage impact on drone performance. Choosing between 4S and 6S batteries. Important aspects during flight. Voltage balance of cells. C Rating. Parallel and series connection. Internal resistance measurement. Types of batteries. Battery charging. Practical tips for battery usage. Battery disposal. Actions in case of battery fire.

Lesson 12: FPV Drone Telemetry and OSD.

Telemetry in Betaflight and the OSD function. Telemetry groups. Telemetry selection for specific tasks and needs. Importance of using RSSI dBm value and Link quality with examples.

Lesson 13: Drone Programming in Betaflight. Detailed Program Overview.