Silicon Laboratories EZRadioPRO F342/4431 Скачать руководство пользователя страница 13 | Manualshive

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RF-to-USB-RD

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Содержание EZRadioPRO F342/4431

Страница 1: ...etween two systems The wireless Sensor Node and the USB Dongle are small simple designs and easy to implement enabling them to be inexpensively and quickly added to any system that requires wireless capability There are very few components required other than the MCU and radio and typically expensive components such as a wired antenna and external voltage regulator are not required The wireless Se...

Страница 2: ... the wireless board is not covered by the user s fingers Figure 2 EZRadioPROF912 4431 Sensor Node The USB Dongle is powered by the PC through the USB connection Connect the USB Dongle directly to the PC The USB Dongle is HID based and requires no custom drivers to be installed Figure 3 EZRadioPRO F342 4431 Dongle plastic removed Potentiometer C8051F912 Si4431 Button Printed Antenna UART Interface ...

Страница 3: ... the Silicon Laboratories folder 5 RF to USB Network Demo The RF to USB Network demo shows how a Sensor Node can be used as a wireless sensor to periodically transmit data to the PC To run the demo first ensure that the hardware is connected as described in 3 Hardware Overview and Setup and the software is installed as described in 4 Software Setup 1 Launch the program which is found by clicking S...

Страница 4: ...n and upon each subsequent button press the Sensor Node will transmit the potentiometer position and temperature data from the on chip temperature sensor It will wake up twice a second for 10 seconds to transmit data After 10 seconds the Sensor Node will go into ultra low power sleep mode until the next button press The Sensor Node will blink green each time it wakes up and transmits data The Sens...

Страница 5: ...the USB Dongle If the device successfully associated the green LED will blink twice a second for ten seconds If the red LED also blinks this indicates that there was no acknowledgement received for the Sensor Node s transmissions If this happens please make sure the USB Dongle is still connected to the PC and the Network GUI is connected to the USB Dongle Do not put your finger on the Sensor Node ...

Страница 6: ...l COM port connectivity The CP2103EK is recommended because it provides a separate VIO connection which should be connected to the VDD pin of the Sensor Node UART connector Figure 6 Sensor Node UART Interface The following steps describe how to perform the UART demo 1 Connect the external UART device to the RX TX and GND pins of the UART interface or connect the TX and RX pins together for loopbac...

Страница 7: ...e external device If the device is configured for loopback mode the transmitted data is sent back to the PC 6 Send data from the external UART device to have it appear in the Receive text box The received text is displayed in both hex and ASCII formats Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from A...

Страница 8: ...illuminates continuously this indicates are hardware fault Note The UART demo is a point to point RF demo The UART demo does not support more than one Sensor Node If the UART communication is not working as expected test the RF link using the loop back mode first Most problems occur due to incorrect baud rate settings Use an oscilloscope to check the bit time in both directions The UART demo Senso...

Страница 9: ...he USB Dongle and Sensor Node The PCB antennas on both Sensor Node and USB Dongle are designed for lowest possible cost not maximum range For firmware source code or additional information please contact MCU support http www silabs com support Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

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Страница 14: ...out further notice Silicon Laboratories makes no warranty rep resentation or guarantee regarding the suitability of its products for any particular purpose nor does Silicon Laboratories assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation conse quential or incidental damages Silicon Labora...

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