⚡ HandyHack – Modular Case for ESP32 CYD & Expansion Modules

HandyHack is a robust, portable enclosure designed to turn your ESP32-based Cheap Yellow Display (CYD) into a fully featured multifunctional device. It provides a clean, practical housing for your CYD, antennas, 18650 batteries, and an array of expansion modules—ideal for prototyping, experimenting, or building your own handheld toolkit.

🧩 Key Features

• 🖥️ Fits ESP32 CYD (Cheap Yellow Display) perfectly with a front window for the touchscreen display.
• 🔋 Holds 4× 18650 batteries for reliable portable power.
• ⚙️ Includes space for a power bank board — allows charging of phones, devices, and powering your CYD simultaneously.
• 📡 Supports multiple antennas via SMA connectors for wireless modules.
• 🎛️ Dedicated module bays for:
  • GPS
  • NFC
  • IR (Infrared)
  • RF (315/433 MHz)
  • CC1101
  • NRF24L01
  • Speaker module
• 💡 Integrated display with carbon-fibre-look front panel for a professional finish.
• 🧰 Designed for easy wiring, expansion, and experimentation.

⚙️ Recommended Print Settings

• Material: PETG-CF (Carbon Fibre reinforced PETG) – excellent strength, rigidity, and a smooth finish with minimal visible layer lines.
• Layer Height: 0.2 mm
• Infill: 25–30% (Grid or Gyroid recommended)
• Supports: Only where necessary (primarily for port openings and internal mount posts).
• Bed Temperature: 70–80 °C
• Nozzle Temperature: 240–250 °C

🧠 Perfect For

• Makers and hardware enthusiasts building ESP32-based multifunctional tools.
• IoT developers exploring wireless communication modules.
• Anyone wanting a portable power and control platform for learning or field testing.

📦 Includes

• STL files for printing
• Recommended module layout & wiring guidance
• Example setup notes for integration

Whether you're building a wireless toolkit, learning hardware integration, or just want a durable enclosure for your CYD projects — HandyHack is the ultimate maker’s companion.