The CH34X family comprises widely used USB‑to‑serial chips manufactured by WCH (WinChipHead), commonly integrated into generic UNO R3, ESP8266, and ESP32 development boards.
Overview
Step into a world of whimsy and wonder with the Lonely Binary MC-38 Wired Door Window Sensor Magnetic Switch Alarm System! Brace yourself for an enchanting journey as we unveil the magic of this extraordinary creation from the mystical realm of Lonely Binary. Get ready to fortify your home with a touch of imagination and a dash of security.
Unleash the Power of Protection:
- Lonely Binary proudly presents the MC-38 Wired Door Window Sensor, a true marvel that stands as a testament to our brand's commitment to innovation and safety. Prepare to embark on an extraordinary adventure where security meets enchantment.
- Immerse Yourself in Recessable Style: Picture this - a sensor that seamlessly integrates into your doors or windows, becoming one with their very essence. The MC-38's recessable style allows it to be "set into" your entrances, creating a magical bond between security and aesthetics.
- Witness the Marvels of Magnetic Alarms: Behold the mes... Read More...
What’s in the Box
There are 3 pieces in the retail box.
The listing price is for
- 1 x MC38 Lock

MC-38 Magnetic Switch for Door Windows Home Alarm System
Tutorial
HC-05 Bluetooth Module and Arduino Beginner Tutorial
This is a basic example to get you start with HC-05 Bluetooth Module. Depending on your specific requirements and the functionality you want, you may need to expand and modify the sketch accordingly.
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