Using Bluetooth on mobile phones and the Internet of Things to control 12V relay switches: easy remote control

Product features:

*Remote control through mobile Bluetooth

*Can control a distance of up to 10 meters

*The maximum control DC voltage is 30V

*The working voltage is 5V

*The maximum control AC voltage is 250V

*Compact and lightweight, with a product size of 62 * 20mm and a weight of only 18g

Operating instructions:

Before use, please ensure that the Bluetooth relay is correctly connected to your Android phone.

2. Install the "Bluetooth Smart Control" application on your Android phone and enable Bluetooth functionality for device search and connection. The pairing password is 1234.

In the application, you can long press the gray box in the interface to add serial port instructions.

4. Enter the name and content of the command you want to send (for example, A00101A2 represents opening the relay, A00100A1 represents closing the relay), and select to send it in hexadecimal format.

Afterwards, click on the corresponding box in the application interface to achieve switch control of the relay.

6. You can also download other Bluetooth apps from the app store and control the relay by sending commands.

Precautions:

1. Do not use this product in humid or harsh environments.

2. Ensure that the distance between your phone and Bluetooth relay device does not exceed 10 meters.

If you are not familiar with electronic technology or programming, it is recommended to seek professional assistance.