Spectre – Handheld Cyber Multitool

<p> <img src="gallery/Spectre%20Render%20Top.png" alt="Spectre Render Top" width="45%"/> <img src="gallery/Spectre%20Render%20Side.png" alt="Spectre Render Side" width="45%"/> </p>

Spectre is a handheld cyber multitool fully designed and hand-assembled by me.
It brings together embedded software, PCB design, and RF hardware in one portable device.

✨ Features

• ESP32-S3 WROOM-1U Main MCU (16MB Flash, 8MB PSRAM)
• STM32C011 Auxiliary MCU for extra GPIO control
• Amplified nRF24 (EBYTE E01-2G4M27SX)
• Amplified CC1101 (EBYTE E07-433M20S)
• 1.9" 320x170 IPS TFT (ST7789V)
• 7x IR LEDs (VSMY14940) + TSOP75338 IR receiver
• LSM6DSOX 6-Axis IMU
• TI BQ25896 charger + TI BQ27220 fuel gauge
• TI TPS62802 regulator
• microSD slot
• 1800mAh Li-Po battery
• WS2812C-2020 Status LED
• 2x External SMA Antenna connectors
• 6-layer ENIG PCB (designed for signal integrity and stability)

🛠️ Assembly

<img src="gallery/Spectre%20Assembly%20-%20Preheater.png" alt="Spectre Assembly Preheater" width="720"/><br> <em>The PCB was assembled at home using solder paste and stencil, a USB-C 65W preheater, and hot air reflow.</em>

📅 Roadmap

• [ ] Expansion PCB with ST25R3916 (NFC) + 125 kHz RFID
• [ ] Custom firmware development

📸 Gallery

<img src="gallery/Spectre%20Main%20PCB%20Bottom.png" alt="Spectre Main PCB Bottom" width="720"/><br> <em>Bottom view of the Spectre main PCB.</em>

<img src="gallery/Spectre%20Main%20PCB%20Top.png" alt="Spectre Main PCB Top" width="720"/><br> <em>Top view of the Spectre main PCB.</em>

<p> <img src="gallery/IMG_5322.jpeg" width="720"/> <img src="gallery/IMG_5323.jpeg" width="720"/> </p> <em>3D Printed Enclosure</em>

📜 License & Disclaimer

Spectre is shared for educational and research purposes only.
This project is licensed under CC BY-NC-SA 4.0.

• Non-commercial use only.
• Attribution required.
• Derivative works must keep the same license.
  See LICENSE.md for details.