Ch9143 Ble/Usb/Uart Module Kit 3-Way Wireless Communication Debugging Board Ttl Mini Module Set

Description: 100% Brand New, High Quality Type: CH9143 Module Color:As Pictures Package Included: 1set AT/BLEMODE DIP Switch Instructions: A ON: AT Mode Enabled B ON: Slave Mode Enabled RELOAD Button Instructions: Restore Factory Settings Button: Press and hold the RELOAD button for 3 seconds before powering on, then release. The indicator light will not illuminate during this process. Pairing Operation Instructions: 1. When two boards need to be paired, it is recommended to fix one board in slave mode using the AT/BLEMODE DIP switch. To unpair, simply restore the master board. 2. When both boards are in master-slave mode, it is impossible to distinguish which board is the master and which is the slave when unpairing. Therefore, both boards must be restored to factory settings. If you know which is the master, simply restore the master board. Features: 1. The CH9143 is a BLE (Bluetooth Low Energy)/UART/USB tri-channel chip used to realize data transfer between Bluetooth, USB, and serial ports. 2. Bluetooth supports master mode, slave mode, and master-slave hybrid mode. Bluetooth communication parameters can be configured in both slave and master-slave hybrid modes, and the BLE 4.2 standard is supported. 3. The serial port supports AT command configuration and modem handshake signals, with a maximum baud rate of 1Mbps. 4. It enables online debugging or data monitoring between a computer's USB interface, serial port, and Bluetooth. Notes: Due to manual measurement , there may be 5mm deviation exist,hope you can understand. There are slight difference between the picture and the item caused by light brightness,hope you can understand. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.