January 30, 2026
Description
Description:
Custom 3D-printed enclosure designed for a Seeed XIAO ESP32-S3 DevKit and a HC-SR501 PIR sensor. Perfect for DIY home automation projects using ESPHome / Home Assistant, this case keeps your electronics safe, organized, and ready to mount on a wall or ceiling.
The design includes:
XIAO ESP32-S3 connections for this case
| Pin | Function |
|---|---|
| 1 | VCC (5V) |
| 2 | OUT → GPIO5 |
| 3 | GND |
| Function | XIAO Pin | Notes |
|---|---|---|
| PIR VCC | 5V | Connects to PIR module VCC |
| PIR GND | GND | Connects to PIR module GND |
| PIR OUT | GPIO5 | Connects to PIR OUT (binary sensor input) |
| Status LED | GPIO4 | Optional LED for motion indication (through 330Ω resistor) |
Notes: Use 5V from XIAO for PIR power. Jumper H on PIR for retriggering; set TIME pot to minimum and SENS ~50–60% for best results.
License:
MakerWorld Exclusive License
Keebasg
