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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... ... @@ -27,27 +27,22 @@ 27 27 ))) 28 28 29 29 ((( 30 - 31 31 The NDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. It detects the distance between the measured object and the sensor, and uploads the value via wireless to IoT Server via NB-IoT Network. 32 32 ))) 33 33 34 34 ((( 35 - 36 36 NarrowBand-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity and spectrum efficiency, especially in deep coverage. 37 37 ))) 38 38 39 39 ((( 40 - 41 41 NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement. 42 42 ))) 43 43 44 44 ((( 45 - 46 46 NDDS75 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method) 47 47 ))) 48 48 49 49 ((( 50 - 51 51 To use NDDS75, user needs to check if there is NB-IoT coverage in local area and with the bands NDDS75 supports. If the local operate support it, user needs to get a NB-IoT SIM card from local operator and install NDDS75 to get NB-IoT network connection. 52 52 ))) 53 53 ))) ... ... @@ -75,7 +75,6 @@ 75 75 * Micro SIM card slot for NB-IoT SIM 76 76 * 8500mAh Battery for long term use 77 77 78 - 79 79 == 1.3 Specification == 80 80 81 81 ... ... @@ -106,7 +106,6 @@ 106 106 * STOP Mode: 10uA @ 3.3v 107 107 * Max transmit power: 350mA@3.3v 108 108 109 - 110 110 == 1.4 Applications == 111 111 112 112 * Smart Buildings & Home Automation ... ... @@ -464,7 +464,9 @@ 464 464 465 465 Get the distance. Flat object range 280mm - 7500mm. 466 466 460 +((( 467 467 For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is 462 +))) 468 468 469 469 ((( 470 470 (((