Offline Bluetooth bridging signal transfer module

Abstract

An off-grid Bluetooth bridging signal conversion module includes: a circuit board; a microcontroller disposed on the circuit board for initializing a communication program and executing packet conversion logic; a Bluetooth transceiver unit disposed on the circuit board and electrically connected to the microcontroller for establishing a wireless connection with a mobile device; and a radio frequency transceiver unit disposed on the circuit board and electrically connected to the microcontroller for establishing a long-distance communication link in an off-grid environment; wherein, after receiving a first signal from the Bluetooth transceiver unit, the microcontroller converts the first signal into a second signal conforming to a long-distance radio frequency format and transmits it by the radio frequency transceiver unit; and after receiving a third signal from the radio frequency transceiver unit, the microcontroller converts the third signal into a fourth signal conforming to the Bluetooth format and transmits it by the Bluetooth transceiver unit.

Claims

1. An off-grid Bluetooth bridging signal transfer module, comprising: A circuit board; A microcontroller is mounted on this circuit board to initialize the communication program and execute packet conversion logic; A Bluetooth transceiver unit is mounted on the circuit board and electrically connected to the microcontroller to establish a wireless connection with a mobile device. And an RF transceiver unit, disposed on the circuit board and electrically connected to the microcontroller, for establishing a long-distance communication link in an off-grid environment; wherein, after receiving a first signal from one of the Bluetooth transceiver units, the microcontroller converts the first signal into a second signal conforming to a long-distance RF format and transmits it by the RF transceiver unit; and after receiving a third signal from one of the RF transceiver units, the microcontroller converts the third signal into a fourth signal conforming to a Bluetooth format and transmits it by the Bluetooth transceiver unit.

2. The off-grid Bluetooth bridging signal transfer module as described in claim 1, wherein the microcontroller has a pairing mode for Bluetooth pairing with the mobile device.

3. The off-grid Bluetooth bridging signal transfer module as described in claim 1, wherein the second signal is broadcast at a specified frequency.

4. The off-grid Bluetooth bridging signal transfer module as described in claim 1 further includes a power management unit electrically connected to the circuit board, and the power management unit includes a charging terminal, a lithium battery input terminal and a solar panel input terminal.

5. The off-grid Bluetooth bridging signal transfer module as described in claim 1 further includes a display module disposed on the circuit board and electrically connected to the microcontroller, which employs organic light-emitting diode display technology.

6. The off-grid Bluetooth bridging signal transfer module as described in claim 5, wherein the display module displays in real time a current connection status, a GPS coordinate information and a radio frequency signal strength.

7. The off-grid Bluetooth bridging signal transfer module as described in claim 1 further includes a storage unit electrically connected to the microcontroller, and the storage unit is a memory card slot for a storage medium to read and write communication log data.

8. The off-grid Bluetooth bridging signal transfer module as described in claim 1 further includes an expansion interface electrically connected to the microcontroller, and the expansion interface is a universal input / output header.

9. The off-grid Bluetooth bridging signal transfer module as described in claim 1, wherein the Bluetooth transceiver unit supports the Low Power Bluetooth 5.0 communication standard.

10. The off-grid Bluetooth bridging signal module as described in claim 1, wherein one of the radio frequency transceiver units operates at a frequency between 400 MHz and 950 MHz.

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