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62	62	* [[10. ​Support>>path:#H10.A0200BSupport]]
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	69	+
65	65	= 1. Introduction =
66	66
67	67	== 1.1 ​What is LoRaWAN Soil pH Sensor ==
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107	107	* IP68 rate for the Sensor Probe
108	108	* 8500mAh Battery for long term use
109	109
	115	+
110	110	== 1.3 Probe Specification ==
111	111
112	112
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128	128	* Length: 3.5 meters
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130	130
131		-
132		-
133	133	== 1.4 ​Applications ==
134	134
135	135	* Smart Agriculture
136	136
137	137
138		-
139		-
140	140	== 1.5 Pin mapping and power on ==
141	141
142	142	[[image:1654592472094-134.png]]
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337	337
338	338
339		-
340	340	=== 2.3.7 Decode payload in The Things Network ===
341	341
342	342	While using TTN network, you can add the payload format to decode the payload.
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549	549
550	550
551	551
552		-
553	553	== 2.8 Frequency Plans ==
554	554
555	555	(((
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747	747	* 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)
748	748
749	749
750		-
751		-
752	752	=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
753	753
754	754	(((
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973	973	* Blink once when device transmit a packet.
974	974
975	975
976		-
977	977	== 2.10 ​Firmware Change Log ==
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979	979
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1046	1046
1047	1047
1048	1048
1049		-(((
1050	1050	(% style="color:#037691" %)**Downlink Command: 0x01**
1051		-)))
1052	1052
1053		-(((
1054	1054	Format: Command Code (0x01) followed by 3 bytes time value.
1055		-)))
1056	1056
1057	1057	(((
1058	1058	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1059	1059	)))
1060	1060
1061		-* (((
1062		-Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1063		-)))
1064		-* (((
1065		-Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	1054	+* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	1055	+* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1066	1066
1067	1067
1068		-
1069		-)))
1070	1070
1071	1071	== 3.2 Set Interrupt Mode ==
1072	1072
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1077	1077	[[image:image-20220607171716-9.png]]
1078	1078
1079	1079
1080		-(((
1081	1081	(% style="color:#037691" %)**Downlink Command: 0x06**
1082		-)))
1083	1083
1084		-(((
1085	1085	Format: Command Code (0x06) followed by 3 bytes.
1086		-)))
1087	1087
1088		-(((
1089	1089	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1090		-)))
1091	1091
1092		-* (((
1093		-Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1094		-)))
1095		-* (((
1096		-Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1097		-)))
	1074	+* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
	1075	+* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1098	1098
1099		-(((
1100		-
1101		-)))
1102		-
1103		-
1104		-
1105	1105	== 3.3 Calibrate Sensor ==
1106	1106
1107	1107	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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1276	1276
1277	1277	=== ​4.3.2 Replace the battery ===
1278	1278
1279		-(((
1280	1280	You can change the battery in the LSPH01.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.
1281		-)))
1282	1282
1283		-(((
1284	1284	The default battery pack of LSPH01 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 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)
1285		-)))
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1287	1287
1288	1288
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1303	1303	(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
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1305	1305
1306		-(((
1307	1307	In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSPH01. LSPH01 will output system info once power on as below:
1308		-)))
1309	1309
1310	1310
1311	1311	[[image:1654593712276-618.png]]