Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
Last modified by Mengting Qiu on 2024/03/07 08:41
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... ... @@ -538,7 +538,6 @@ 538 538 539 539 540 540 541 - 542 542 === 2.6.4 AU915-928(AU915) === 543 543 544 544 ((( ... ... @@ -695,7 +695,6 @@ 695 695 696 696 697 697 698 - 699 699 === 2.6.6 KR920-923 (KR920) === 700 700 701 701 ((( ... ... @@ -768,7 +768,6 @@ 768 768 769 769 770 770 771 - 772 772 === 2.6.7 IN865-867 (IN865) === 773 773 774 774 ((( ... ... @@ -805,18 +805,22 @@ 805 805 806 806 807 807 808 - 809 809 == 2.7 LED Indicator == 810 810 811 -The L LDS12has an internal LED which is to show the status of different state.807 +The LDDS75 has an internal LED which is to show the status of different state. 812 812 813 -* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected. 809 + 810 +* Blink once when device power on. 811 +* The device detects the sensor and flashes 5 times. 812 +* Solid ON for 5 seconds once device successful Join the network. 814 814 * Blink once when device transmit a packet. 815 815 815 + 816 + 816 816 == 2.8 Firmware Change Log == 817 817 818 818 819 -**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/L LDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]]820 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]] 820 820 821 821 822 822 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] ... ... @@ -823,6 +823,46 @@ 823 823 824 824 825 825 827 +== 2.9 Mechanical == 828 + 829 + 830 +[[image:image-20220610172003-1.png]] 831 + 832 +[[image:image-20220610172003-2.png]] 833 + 834 + 835 +== 2.10 Battery Analysis == 836 + 837 +=== 2.10.1 Battery Type === 838 + 839 +The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter. 840 + 841 + 842 +The battery related documents as below: 843 + 844 +* ((( 845 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 846 +))) 847 +* ((( 848 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 849 +))) 850 +* ((( 851 +[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]] 852 +))) 853 + 854 + [[image:image-20220610172400-3.png]] 855 + 856 + 857 + 858 +=== 2.10.2 Replace the battery === 859 + 860 +You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board. 861 + 862 + 863 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes) 864 + 865 + 866 + 826 826 = 3. LiDAR ToF Measurement = 827 827 828 828 == 3.1 Principle of Distance Measurement ==
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