Changes for page SN50v3-LB/LS -- LoRaWAN Sensor Node User Manual
Last modified by Xiaoling on 2025/06/12 15:06
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... ... @@ -41,7 +41,6 @@ 41 41 * Downlink to change configure 42 42 * 8500mAh Battery for long term use 43 43 44 - 45 45 == 1.3 Specification == 46 46 47 47 ... ... @@ -79,7 +79,6 @@ 79 79 * Sleep Mode: 5uA @ 3.3v 80 80 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 81 81 82 - 83 83 == 1.4 Sleep mode and working mode == 84 84 85 85 ... ... @@ -107,7 +107,6 @@ 107 107 ))) 108 108 |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode. 109 109 110 - 111 111 == 1.6 BLE connection == 112 112 113 113 ... ... @@ -293,7 +293,6 @@ 293 293 1. All modes share the same Payload Explanation from HERE. 294 294 1. By default, the device will send an uplink message every 20 minutes. 295 295 296 - 297 297 ==== 2.3.2.1 MOD~=1 (Default Mode) ==== 298 298 299 299 ... ... @@ -704,6 +704,7 @@ 704 704 705 705 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656379339508-835.png?rev=1.1||alt="1656379339508-835.png"]] 706 706 703 + 707 707 In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below: 708 708 709 709 door= (bytes[6] & 0x80)? "CLOSE":"OPEN"; ... ... @@ -711,6 +711,7 @@ 711 711 712 712 ==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ==== 713 713 711 + 714 714 The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data. 715 715 716 716 We have made an example to show how to use the I2C interface to connect to the SHT20/ SHT31 Temperature and Humidity Sensor. ... ... @@ -739,11 +739,13 @@ 739 739 740 740 ==== 2.3.3.7 Distance Reading ==== 741 741 740 + 742 742 Refer [[Ultrasonic Sensor section>>||anchor="H2.3.3.8UltrasonicSensor"]]. 743 743 744 744 745 745 ==== 2.3.3.8 Ultrasonic Sensor ==== 746 746 746 + 747 747 This Fundamental Principles of this sensor can be found at this link: [[https:~~/~~/wiki.dfrobot.com/Weather_-_proof_Ultrasonic_Sensor_with_Separate_Probe_SKU~~_~~__SEN0208>>url:https://wiki.dfrobot.com/Weather_-_proof_Ultrasonic_Sensor_with_Separate_Probe_SKU___SEN0208]] 748 748 749 749 The SN50_v3 detects the pulse width of the sensor and converts it to mm output. The accuracy will be within 1 centimeter. The usable range (the distance between the ultrasonic probe and the measured object) is between 24cm and 600cm. ... ... @@ -754,6 +754,7 @@ 754 754 755 755 [[image:image-20230512173903-6.png||height="596" width="715"]] 756 756 757 + 757 757 Connect to the SN50_v3 and run (% style="color:blue" %)**AT+MOD=2**(%%) to switch to ultrasonic mode (ULT). 758 758 759 759 The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value. ... ... @@ -763,14 +763,15 @@ 763 763 Distance: Read: 0C2D(Hex) = 3117(D) Value: 3117 mm=311.7 cm 764 764 765 765 766 - 767 767 ==== 2.3.3.9 Battery Output - BAT pin ==== 768 768 769 + 769 769 The BAT pin of SN50v3 is connected to the Battery directly. If users want to use BAT pin to power an external sensor. User need to make sure the external sensor is of low power consumption. Because the BAT pin is always open. If the external sensor is of high power consumption. the battery of SN50v3-LB will run out very soon. 770 770 771 771 772 772 ==== 2.3.3.10 +5V Output ==== 773 773 775 + 774 774 SN50v3 will enable +5V output before all sampling and disable the +5v after all sampling. 775 775 776 776 The 5V output time can be controlled by AT Command. ... ... @@ -782,18 +782,20 @@ 782 782 By default the AT+5VT=500. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor. 783 783 784 784 785 - 786 786 ==== 2.3.3.11 BH1750 Illumination Sensor ==== 787 787 789 + 788 788 MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes. 789 789 790 790 [[image:image-20230512172447-4.png||height="416" width="712"]] 791 791 794 + 792 792 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220628110012-12.png?rev=1.1||alt="image-20220628110012-12.png" height="361" width="953"]] 793 793 794 794 795 795 ==== 2.3.3.12 Working MOD ==== 796 796 800 + 797 797 The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte). 798 798 799 799 User can use the 3^^rd^^ ~~ 7^^th^^ bit of this byte to see the working mod: ... ... @@ -810,6 +810,8 @@ 810 810 * 7: MOD8 811 811 * 8: MOD9 812 812 817 + 818 + 813 813 == 2.4 Payload Decoder file == 814 814 815 815 ... ... @@ -820,7 +820,6 @@ 820 820 [[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/SN50_v3-LB>>https://github.com/dragino/dragino-end-node-decoder/tree/main/SN50_v3-LB]] 821 821 822 822 823 - 824 824 == 2.5 Frequency Plans == 825 825 826 826 ... ... @@ -840,6 +840,8 @@ 840 840 * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]]. 841 841 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 842 842 848 + 849 + 843 843 == 3.2 General Commands == 844 844 845 845 ... ... @@ -861,6 +861,7 @@ 861 861 862 862 === 3.3.1 Set Transmit Interval Time === 863 863 871 + 864 864 Feature: Change LoRaWAN End Node Transmit Interval. 865 865 866 866 (% style="color:blue" %)**AT Command: AT+TDC**