# WiFi Door Open Close Sensor

A battery-powered door sensor with WiFi notifications. Magnetic reed switch in 50x30x15mm case mounts on door frame. Sends push notification when door opens/closes. Web dashboard shows entry history. Battery lasts 12+ months on CR2032. Perfect for home security and monitoring. This wifi door sensor project is perfect for makers, DIY enthusiasts, and electronics hobbyists. Search volume: 1600/month.

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AI-generated from prompt:"A battery-powered door sensor with WiFi notifications. Magnetic reed switch in 50x30x15mm case mounts on door frame. Sends push notification when door opens/closes. Web dashboard shows entry history. Battery lasts 12+ months on CR2032. Perfect for home security and monitoring."

All parts, CAD, wiring, and firmware generated by Modo AI Hardware Builder with human direction.

—Validated fit

—Electrical OK

—Assembly ready

## Parts

|  | Part | Why | MPN | Qty |
| --- | --- | --- | --- | --- |
|  | ESP32-C3 WiFi MCU Dev Board<br>Espressif Systems | Main microcontroller for water leak detection logic, alarm control, and optional WiFi notifications | `ESP32-C3-DEVKITM-1-N4X` | 1 |
|  | Water Probe Sensor<br>DFRobot | Dual water probes for water leak detection as specified in requirements | `SEN0514` | 2 |
|  | 85dB Alarm Buzzer<br>Same Sky (Formerly CUI Devices) | 85dB buzzer alarm for audible water leak notification as specified | `CEM-1203(42)` | 1 |
|  | Red LED Flash Indicator<br>Lite-On Inc. | LED flash indicator for visual alarm notification as specified in features | `LTST-C171GKT` | 1 |
|  | CR2032 Battery Holder<br>Keystone Electronics | Battery holder for compact battery-powered operation with low power alert capability | `1042P` | 1 |
|  | Power Switch<br>C&K | Power control switch for battery conservation and device operation | `OS102011MS2QN1` | 1 |

6 unique parts, 7 total components.