Emergency broadcasting system with Beidou satellite data transmission function
A technology for data transmission and emergency broadcasting, which is applied in broadcasting transmission systems, satellite radio beacon positioning systems, broadcasting-specific applications, etc., and can solve the problem of inability to realize two-way data communication between level platforms and terminals, and easy interruption of communication transmission channels and ground transmission channels And other issues
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[0014] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0015] An emergency broadcast system with Beidou satellite data transmission function, including Beidou RDSS transceiver module BDM900, also includes a standard SIM card holder, P-MOSFET field effect transistor Si7617DN, and a controller STM32F103ZET6 with a Cortex-M3 core. The controller module BDM900 includes communication pins RXD0, TXD0 and power supply pins VCC_PA_IN, VCC_RX_BAT, and VCC_RX_CTR. The controller STM32F103ZET6 includes pins PA1, PA2, PA3, and PA4. The communication pins RXD0, TXD0 are respectively connected to the PA2 pin and PA3 pin, the VCC_RX_CTR pin is connected to the PA1 pi...
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