# LOLIN D1 Mini + RC522 + Buzzer Enclosure


## LOLIN D1 Mini + RC522 + Buzzer Enclosure

A custom 3D printable case designed for a small IoT or access control project using the **LOLIN D1 Mini**, **RC522 RFID reader**, and a **buzzer**.  
Perfect for compact embedded builds and prototyping.

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### 🧩 Features

- Fits **LOLIN D1 Mini** board and **RC522 RFID** module  
- Mounting pillars for secure screw installation  
- Side port for USB access  
- Space for **buzzer** and wiring on a perfboard  
- Includes **screw holes and lid** for a solid closure  
- Simple design — **no support needed** for printing  

### Notes

- The square hole on top serves as a cooling vent.

### Printing Information

- **Material:** PLA recommended  
- **Layer Height:** 0.2 mm  
- **Supports:** Not required  

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![Assembled](/images/2025/11/d1mini-rc522-enclosure/assembled.jpg)
![Assembly inside](/images/2025/11/d1mini-rc522-enclosure/assembly_inside.jpg)

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> [Purchase in cults3d](https://cults3d.com/en/3d-model/gadget/lolin-d1-mini-rc522-buzzer-enclosure)