HC-SR501 PIR sensor Seeed XIAO ESP32-S3
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Bill of Materials
- XIAO ESP32S3 x 1: MCU
- hc-sr501 PIR module x 1: sensor
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:
- Mounting holes for screws or wall clips
- Header cutouts for easy PIR connection
- Space for USB access on the XIAO
đ Pinout
XIAO ESP32-S3 connections for this case
| Pin | Function |
|---|---|
| 1 | VCC (5V) |
| 2 | OUT â 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 330Ί resistor) |
Notes: Use 5V from XIAO for PIR power. Jumper H on PIR for retriggering; set TIME pot to minimum and SENS ~50â60% for best results.
đ Case Details
- Mounting holes: 4 Ă M2
- Material: PLA recommended
- Printing tips: Supports required
- Orientation: PIR lens toward the front window, XIAO USB port accessible
⥠Features
- Compact and neat mounting for small IoT projects
- Easy PIR module integration with headers
- Optional LED status indicator
- Compatible with ESPHome motion automations
𧊠Project Use Cases
- Home automation (lights, security, presence detection)
- DIY IoT sensor projects
- Motion-activated lighting
- Small room or hallway monitoring
License
You may create derivative works based on this object, provided that all such derivative works are published exclusively on the MakerWorld platform and include proper attribution to the original creator. You may not share, upload, host, distribute, or publish this objectâor any derivative work of this objectâon any other digital platform, marketplace, or distribution channel. Commercial use of this object and any derivative works is strictly prohibited. This includes, but is not limited to, selling, renting, sublicensing, or using the object in any context in which you receive monetary compensation or other financial benefits.
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