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57	57	* IP66 Waterproof Enclosure
58	58	* 4000mAh or 8500mAh Battery for long term use
59	59
	60	+
60	60	== 1.3  Specification ==
61	61
62	62	=== 1.3.1  Rated environmental conditions ===
...	...	@@ -71,15 +71,20 @@
71	71
72	72	=== 1.3.2  Effective measurement range Reference beam pattern ===
73	73
74		-**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**[[image:image-20220610155021-2.png||height="440" width="1189"]]
	75	+**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
75	75
76	76
77	77
78		-**(2)** The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.[[image:image-20220610155021-3.png||height="437" width="1192"]]
	79	+[[image:1654852253176-749.png]]
79	79
80		-(% style="display:none" %) (%%)
81	81
	82	+**(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
82	82
	84	+
	85	+[[image:1654852175653-550.png]](% style="display:none" %) ** **
	86	+
	87	+
	88	+
83	83	== 1.5 ​ Applications ==
84	84
85	85	* Horizontal distance measurement
...	...	@@ -92,6 +92,7 @@
92	92	* Sewer
93	93	* Bottom water level monitoring
94	94
	101	+
95	95	== 1.6  Pin mapping and power on ==
96	96
97	97
...	...	@@ -98,6 +98,7 @@
98	98	[[image:1654847583902-256.png]]
99	99
100	100
	108	+
101	101	= 2.  Configure LDDS75 to connect to LoRaWAN network =
102	102
103	103	== 2.1  How it works ==
...	...	@@ -111,6 +111,7 @@
111	111	)))
112	112
113	113
	122	+
114	114	== 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
115	115
116	116	(((
...	...	@@ -231,7 +231,6 @@
231	231	* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
232	232
233	233
234		-
235	235	=== 2.3.3  Interrupt Pin ===
236	236
237	237	This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
...	...	@@ -243,6 +243,7 @@
243	243	0x01: Interrupt Uplink Packet.
244	244
245	245
	254	+
246	246	=== 2.3.4  DS18B20 Temperature sensor ===
247	247
248	248	This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
...	...	@@ -329,6 +329,7 @@
329	329	)))
330	330
331	331
	341	+
332	332	=== 2.6.1  EU863-870 (EU868) ===
333	333
334	334	(((
...	...	@@ -525,28 +525,54 @@
525	525
526	526
527	527
528		-
529	529	=== 2.6.4  AU915-928(AU915) ===
530	530
531	531	(((
532		-Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
533		-)))
	541	+Default use CHE=2
534	534
535		-(((
536		-To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
537		-)))
	543	+(% style="color:blue" %)**Uplink:**
538	538
539		-(((
540		-
541		-)))
	545	+916.8 - SF7BW125 to SF12BW125
542	542
543		-(((
544		-After Join success, the end node will switch to the correct sub band by:
545		-)))
	547	+917.0 - SF7BW125 to SF12BW125
546	546
547		-* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
548		-* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
	549	+917.2 - SF7BW125 to SF12BW125
549	549
	551	+917.4 - SF7BW125 to SF12BW125
	552	+
	553	+917.6 - SF7BW125 to SF12BW125
	554	+
	555	+917.8 - SF7BW125 to SF12BW125
	556	+
	557	+918.0 - SF7BW125 to SF12BW125
	558	+
	559	+918.2 - SF7BW125 to SF12BW125
	560	+
	561	+
	562	+(% style="color:blue" %)**Downlink:**
	563	+
	564	+923.3 - SF7BW500 to SF12BW500
	565	+
	566	+923.9 - SF7BW500 to SF12BW500
	567	+
	568	+924.5 - SF7BW500 to SF12BW500
	569	+
	570	+925.1 - SF7BW500 to SF12BW500
	571	+
	572	+925.7 - SF7BW500 to SF12BW500
	573	+
	574	+926.3 - SF7BW500 to SF12BW500
	575	+
	576	+926.9 - SF7BW500 to SF12BW500
	577	+
	578	+927.5 - SF7BW500 to SF12BW500
	579	+
	580	+923.3 - SF12BW500(RX2 downlink only)
	581	+
	582	+
	583	+
	584	+)))
	585	+
550	550	=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
551	551
552	552	(((
...	...	@@ -655,7 +655,6 @@
655	655
656	656
657	657
658		-
659	659	=== 2.6.6  KR920-923 (KR920) ===
660	660
661	661	(((
...	...	@@ -728,7 +728,6 @@
728	728
729	729
730	730
731		-
732	732	=== 2.6.7  IN865-867 (IN865) ===
733	733
734	734	(((
...	...	@@ -765,18 +765,21 @@
765	765
766	766
767	767
768		-
769	769	== 2.7  LED Indicator ==
770	770
771		-The LLDS12 has an internal LED which is to show the status of different state.
	804	+The LDDS75 has an internal LED which is to show the status of different state.
772	772
773		-* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
	806	+
	807	+* Blink once when device power on.
	808	+* The device detects the sensor and flashes 5 times.
	809	+* Solid ON for 5 seconds once device successful Join the network.
774	774	* Blink once when device transmit a packet.
775	775
	812	+
776	776	== 2.8  ​Firmware Change Log ==
777	777
778	778
779		-**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]]
	816	+**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/]]
780	780
781	781
782	782	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
...	...	@@ -783,71 +783,58 @@
783	783
784	784
785	785
786		-= 3.  LiDAR ToF Measurement =
	823	+== 2.9  Mechanical ==
787	787
788		-== 3.1 Principle of Distance Measurement ==
789	789
790		-The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below.
	826	+[[image:image-20220610172003-1.png]]
791	791
792		-[[image:1654831757579-263.png]]
	828	+[[image:image-20220610172003-2.png]]
793	793
794	794
	831	+== 2.10  Battery Analysis ==
795	795
796		-== 3.2 Distance Measurement Characteristics ==
	833	+=== 2.10.1  Battery Type ===
797	797
798		-With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below:
	835	+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.
799	799
800		-[[image:1654831774373-275.png]]
801	801
	838	+The battery related documents as below:
802	802
803		-(((
804		-(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
	840	+* (((
	841	+[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
805	805	)))
806		-
807		-(((
808		-(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
	843	+* (((
	844	+[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
809	809	)))
810		-
811		-(((
812		-(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
	846	+* (((
	847	+[[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]]
813	813	)))
814	814
	850	+ [[image:image-20220610172400-3.png]]
815	815
816		-(((
817		-Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
818		-)))
819	819
820	820
821		-[[image:1654831797521-720.png]]
	854	+=== 2.10.2  Replace the battery ===
822	822
	856	+(((
	857	+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.
	858	+)))
823	823
824	824	(((
825		-In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
	861	+
826	826	)))
827	827
828		-[[image:1654831810009-716.png]]
829		-
830		-
831	831	(((
832		-If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
	865	+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)
833	833	)))
834	834
835	835
836	836
837		-== 3.3 Notice of usage: ==
	870	+= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
838	838
839		-Possible invalid /wrong reading for LiDAR ToF tech:
840		-
841		-* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
842		-* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
843		-* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
844		-* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
845		-
846		-= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
847		-
848	848	(((
849	849	(((
850		-Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
	874	+Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
851	851	)))
852	852	)))
853	853
...	...	@@ -868,7 +868,7 @@
868	868	)))
869	869
870	870	(((
871		-There are two kinds of commands to configure LLDS12, they are:
	895	+There are two kinds of commands to configure LDDS75, they are:
872	872	)))
873	873	)))
874	874
...	...	@@ -909,55 +909,49 @@
909	909
910	910	* (((
911	911	(((
912		-(% style="color:#4f81bd" %)** Commands special design for LLDS12**
	936	+(% style="color:#4f81bd" %)** Commands special design for LDDS75**
913	913	)))
914	914	)))
915	915
916	916	(((
917	917	(((
918		-These commands only valid for LLDS12, as below:
	942	+These commands only valid for LDDS75, as below:
919	919	)))
920	920	)))
921	921
922	922
923	923
924		-== 4.1  Set Transmit Interval Time ==
	948	+== 3.1  Access AT Commands ==
925	925
926		-Feature: Change LoRaWAN End Node Transmit Interval.
	950	+LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
927	927
928		-(% style="color:#037691" %)**AT Command: AT+TDC**
	952	+[[image:image-20220610172924-4.png||height="483" width="988"]]
929	929
930		-[[image:image-20220607171554-8.png]]
931	931
	955	+Or if you have below board, use below connection:
932	932
933		-(((
934		-(% style="color:#037691" %)**Downlink Command: 0x01**
935		-)))
936	936
937		-(((
938		-Format: Command Code (0x01) followed by 3 bytes time value.
939		-)))
	958	+[[image:image-20220610172924-5.png]]
940	940
941		-(((
942		-If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
943		-)))
944	944
945		-* (((
946		-Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
947		-)))
948		-* (((
949		-Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
950		-)))
	961	+In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
951	951
952		-== 4.2  Set Interrupt Mode ==
953	953
954		-Feature, Set Interrupt mode for GPIO_EXIT.
	964	+ [[image:image-20220610172924-6.png||height="601" width="860"]]
955	955
956		-(% style="color:#037691" %)**AT Command: AT+INTMOD**
957	957
958		-[[image:image-20220610105806-2.png]]
959	959
	968	+== 3.2  Set Transmit Interval Time ==
960	960
	970	+Feature: Change LoRaWAN End Node Transmit Interval.
	971	+
	972	+(% style="color:#037691" %)**AT Command: AT+TDC**
	973	+
	974	+[[image:image-20220610173409-7.png]]
	975	+
	976	+
	977	+
	978	+
961	961	(((
962	962	(% style="color:#037691" %)**Downlink Command: 0x06**
963	963	)))
...	...	@@ -977,7 +977,7 @@
977	977	Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
978	978	)))
979	979
980		-== 4.3  Get Firmware Version Info ==
	998	+== 3.3  Get Firmware Version Info ==
981	981
982	982	Feature: use downlink to get firmware version.
983	983

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