CYD (Cheap Yellow Display) Modular Mod Rear - Ventilated Back for Air Quality Sensors
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A ventilated rear panel remix of DanielB's excellent CYD Modular Case, designed specifically for air quality monitoring
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Model information
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- Printables
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- Electronics
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- Creative Commons — Attribution — Share Alike
# Ventilated Rear Panel for Air Quality Sensors
This is a remix of DanielB's CYD Modular Case with a ventilated honeycomb back panel, designed for air quality monitoring projects using the ESP32-2432S028 "Cheap Yellow Display".
## Why This Remix?
The original case is fantastic for general projects, but it has a solid closed back — not ideal for environmental sensors that need to sample the surrounding air.
This remix adds a honeycomb ventilation pattern that allows air to flow freely to your sensors while still protecting the electronics.
## Differences from Original
| Feature | Original | This Remix |
|---------|----------|------------|
| Back Panel | Solid/closed | Honeycomb ventilated |
| Air Flow | None | Full exposure |
| Use Case | General display projects | Air quality sensors |
## Ideal For
- SCD40/SCD41 — CO2, Temperature, Humidity sensors
- SGP40/SGP41 — VOC (Volatile Organic Compounds) sensors
- BME280/BME680 — Environmental sensors
- Any sensor that needs air exposure!
## Companion Project
📦My ESPHome YAML Configuration: esphome-air-quality-monitor
A complete ESPHome + LVGL air quality monitor with:
- Beautiful touchscreen UI
- Home Assistant integration
- Memory-optimized for NO PSRAM boards
- Anti burn-in protection for 24/7 operation
## Print Settings
- Material: PLA, PETG, or ASA
- Layer Height: 0.2mm
- Infill: 15-20%
- Supports: Not required
## Credits
Based on the excellent [CYD Modular Case by DanielB](https://www.printables.com/model/XXXXX) — thank you for the original design!
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Made with ❤ for cleaner air monitoring