Changes for page NDDS75 -- NB-IoT Distance Detect Sensor User Manual
Last modified by Bei Jinggeng on 2024/05/31 09:53
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... ... @@ -58,6 +58,7 @@ 58 58 * IP66 Waterproof Enclosure 59 59 * 4000mAh or 8500mAh Battery for long term use 60 60 61 + 61 61 == 1.3 Specification == 62 62 63 63 Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height. ... ... @@ -89,7 +89,7 @@ 89 89 ))) 90 90 91 91 ((( 92 -In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3. UsingtheATCommands"]].93 +In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.200BUsingtheATCommands"]]. 93 93 ))) 94 94 95 95 ... ... @@ -630,6 +630,8 @@ 630 630 * Solid ON for 5 seconds once device successful Join the network. 631 631 * Blink once when device transmit a packet. 632 632 634 + 635 + 633 633 == 2.9 Installation in Soil == 634 634 635 635 **Measurement the soil surface** ... ... @@ -877,20 +877,38 @@ 877 877 878 878 == 4.1 How to change the LoRa Frequency Bands/Region? == 879 879 883 +((( 880 880 You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]]. 881 881 When downloading the images, choose the required image file for download. 886 +))) 882 882 888 +((( 889 + 890 +))) 883 883 892 +((( 884 884 How to set up LSE01 to work in 8 channel mode By default, the frequency bands US915, AU915, CN470 work in 72 frequencies. Many gateways are 8 channel gateways, and in this case, the OTAA join time and uplink schedule is long and unpredictable while the end node is hopping in 72 frequencies. 894 +))) 885 885 896 +((( 897 + 898 +))) 886 886 900 +((( 887 887 You can configure the end node to work in 8 channel mode by using the AT+CHE command. The 500kHz channels are always included for OTAA. 902 +))) 888 888 904 +((( 905 + 906 +))) 889 889 908 +((( 890 890 For example, in **US915** band, the frequency table is as below. By default, the end node will use all channels (0~~71) for OTAA Join process. After the OTAA Join, the end node will use these all channels (0~~71) to send uplink packets. 910 +))) 891 891 892 892 [[image:image-20220606154726-3.png]] 893 893 914 + 894 894 When you use the TTN network, the US915 frequency bands use are: 895 895 896 896 * 903.9 - SF7BW125 to SF10BW125 ... ... @@ -947,7 +947,9 @@ 947 947 948 948 (% style="color:#4f81bd" %)**Cause for this issue:** 949 949 971 +((( 950 950 The fuse on LSE01 is not large enough, some of the soil probe require large current up to 5v 800mA, in a short pulse. When this happen, it cause the device reboot so user see rejoin. 973 +))) 951 951 952 952 953 953 (% style="color:#4f81bd" %)**Solution: ** ... ... @@ -954,7 +954,7 @@ 954 954 955 955 All new shipped LSE01 after 2020-May-30 will have this to fix. For the customer who see this issue, please bypass the fuse as below: 956 956 957 -[[image:1654500929571-736.png]] 980 +[[image:1654500929571-736.png||height="458" width="832"]] 958 958 959 959 960 960 = 6. Order Info =