# ESP-Fly (Component) ## Description ESP32 Micro Drone Reference Design (4-Layer, 17.75×21mm) ## Component Details - **Owner:** vblade0369 - **Created:** 10/21/2025 - **Last Updated:** 6/15/2026 - **Visibility:** Public - **System Architecture:** flowchart LR subgraph Power VBUS[USB 5V] BATT[Battery 1S] PMIC[Power Management IC]\nBuck Converter 3.3V VBUS --> PMIC BATT --> PMIC PMIC --> VCC3V3[3.3V Rail] PMIC --> VCC5V[5V Rail] end subgraph Microcontroller ESP32[ESP32 MCU] VCC3V3 --> ESP32 GND[Ground] GND --> ESP32 end subgraph Sensors IMU[IMU (MPU-9250)] VCC3V3 --> IMU GND --> IMU ESP32 -- I2C --> IMU end subgraph MotorDrivers M1[Motor Driver 1] M2[Motor Driver 2] M3[Motor Driver 3] M4[Motor Driver 4] VCC5V --> M1 VCC5V --> M2 VCC5V --> M3 VCC5V --> M4 GND --> M1 GND --> M2 GND --> M3 GND --> M4 ESP32 -- PWM1 --> M1 ESP32 -- PWM2 --> M2 ESP32 -- PWM3 --> M3 ESP32 -- PWM4 --> M4 end subgraph RF ANT[Antenna] ESP32 -- RF --> ANT end style Power fill:#f9f,stroke:#333,stroke-width:2px style Microcontroller fill:#bbf,stroke:#333,stroke-width:2px style Sensors fill:#bfb,stroke:#333,stroke-width:2px style MotorDrivers fill:#ffb,stroke:#333,stroke-width:2px style RF fill:#fbf,stroke:#333,stroke-width:2px - **Pin Count:** 10 ## Pins | Pin | Name | Type | |-----|------|------| | - | BAT- | | | - | BAT+ | | | - | P1 | | | - | P2 | | | - | P3 | | | - | P4 | | | - | P5 | | | - | P6 | | | - | P7 | | | - | P8 | | --- *Generated from [https://www.flux.ai/vblade0369/esp-fly~p5](https://www.flux.ai/vblade0369/esp-fly~p5)*