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Cifer edited this page May 11, 2025 · 1 revision

Schematics of ESP32-DIV

The ESP32-DIV integrates multiple components with the ESP32 microcontroller for its wireless capabilities. Below are the key connections. Refer to the ESP32-DIV GitHub repository for detailed schematic files.

⚙️ TFT Display + ESP32

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  • ILI9341 TFT Display: Connected to the ESP32 for the user interface.
  • LED Backlight Control: Managed via a transistor switch (Q3, 8050) with a 1kΩ resistor (R26) at the base. Supports PWM for brightness adjustment if implemented.

🖥️ XPT2046 + ESP32

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  • XPT2046: Touch controller for the TFT display, interfaced with the ESP32 for touch input.

📡 NRF24 Modules - Connections to ESP32

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  • 3 x NRF24 Modules: Connected to the ESP32 for 2.4GHz operations (scanning, jamming, etc.). Each module uses SPI pins for communication.

📻 CC1101 Sub-GHz Transceiver - Connections to ESP32

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  • CC1101 Module: Connected to the ESP32 via SPI for Sub-GHz signal capture, replay, and jamming.

💾 SD Card - Connections to ESP32

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  • SD Card Slot: Interfaced with the ESP32 via SPI for storing signals, logs, and firmware files.

Note: Exact pin assignments (e.g., SPI MOSI, MISO, SCK) depend on the firmware configuration. Check the repository’s schematic files or source code for precise mappings.

Build or troubleshoot your ESP32-DIV with these connections. See the Hardware page for component details or the Firmware Upload Guide for setup.

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