https://w.electrodragon.com/w/index.php?action=history&feed=atom&title=RPI_GPS_Board 2026-07-23T06:10:14Z Revision history for this page on the wiki MediaWiki 1.37.2 https://w.electrodragon.com/w/index.php?title=RPI_GPS_Board&diff=27288&oldid=prev 2020-06-29T06:31:05Z

<p></p> <p><b>New page</b></p><div>== Hardware Configuration ==<br /> === GPS ===<br /> * Schematic please see at this page: https://www.electrodragon.com/w/Location_HDK<br /> 3-way jumper setup<br /> {| class=&quot;wikitable sortable&quot;<br /> |-<br /> ! Board Interface !! RPI !! Default<br /> <br /> |-<br /> | SD CS Selection || via 3-way jumper: GPIO8 or GPIO7 || IO7<br /> |-<br /> | RF(LORA) CS Selection || <br /> * via 3-way jumper: GPIO8 or GPIO7<br /> * via 2-way jumper: GPIO25 <br /> || IO8<br /> |-<br /> | RF(LORA) DIO0 || GPIO4 || IO4<br /> |-<br /> | RF(LORA) RST || GPIO17 || IO7<br /> |-<br /> | SD / RF: SCK MOSI MISO || GPIO 9 / 10 / 11 || IO 9/10/11<br /> |-<br /> | GPS_INT || GPIO 22 || IO22<br /> |-<br /> | GPS_1PPS || On board LED or GPIO27 || LED<br /> |}<br /> <br /> <br /> == Software Usage ==<br /> * Use serial to read raw data, tutorial here: [[RPI UART]], please make sure login shell on uart is turned off<br /> * Data output example: <br /> <br /> $GPTXT,01,01,01,NMEA unknown msg*58<br /> <br /> $GPTXT,01,01,01,NMEA unknown msg*58<br /> <br /> $GPTXT,01,01,01,NMEA unknown msg*58<br /> <br /> $GPRMC,,V,,,,,,,,,,N*53<br /> <br /> $GPVTG,,,,,,,,,N*30<br /> <br /> $GPGGA,,,,,,0,00,99.99,,,,,,*48<br /> <br /> $GPGSA,A,1,,,,,,,,,,,,,99.99,99.99,99.99*30<br /> <br /> * recommanded GPS parsing application [[GPSD]]<br /> <br /> === Lora ===<br /> * Please check demo code here in lora folder: https://github.com/Edragon/RPI<br /> <br /> == Note ==<br /> * For raspberry Pi 4, if it can not boot well, please remove the 3.3V power jumper, or cut off the pin of 3.3V to raspberry pi.<br /> <br /> [[category: Location]]</div>

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