Changes for page SN50v3-LB/LS -- LoRaWAN Sensor Node User Manual
Last modified by Bei Jinggeng on 2025/01/10 15:51
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... ... @@ -41,6 +41,7 @@ 41 41 * Downlink to change configure 42 42 * 8500mAh Battery for long term use 43 43 44 + 44 44 == 1.3 Specification == 45 45 46 46 ... ... @@ -78,6 +78,7 @@ 78 78 * Sleep Mode: 5uA @ 3.3v 79 79 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 80 80 82 + 81 81 == 1.4 Sleep mode and working mode == 82 82 83 83 ... ... @@ -105,6 +105,7 @@ 105 105 ))) 106 106 |(% 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. 107 107 110 + 108 108 == 1.6 BLE connection == 109 109 110 110 ... ... @@ -290,6 +290,7 @@ 290 290 1. All modes share the same Payload Explanation from HERE. 291 291 1. By default, the device will send an uplink message every 20 minutes. 292 292 296 + 293 293 ==== 2.3.2.1 MOD~=1 (Default Mode) ==== 294 294 295 295 ... ... @@ -700,7 +700,6 @@ 700 700 701 701 [[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"]] 702 702 703 - 704 704 In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below: 705 705 706 706 door= (bytes[6] & 0x80)? "CLOSE":"OPEN"; ... ... @@ -708,7 +708,6 @@ 708 708 709 709 ==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ==== 710 710 711 - 712 712 The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data. 713 713 714 714 We have made an example to show how to use the I2C interface to connect to the SHT20/ SHT31 Temperature and Humidity Sensor. ... ... @@ -737,13 +737,11 @@ 737 737 738 738 ==== 2.3.3.7 Distance Reading ==== 739 739 740 - 741 741 Refer [[Ultrasonic Sensor section>>||anchor="H2.3.3.8UltrasonicSensor"]]. 742 742 743 743 744 744 ==== 2.3.3.8 Ultrasonic Sensor ==== 745 745 746 - 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.