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	1046	+(((
1046	1046	(% style="color:#037691" %)**Downlink Command: 0x01**
	1048	+)))
1047	1047
	1050	+(((
1048	1048	Format: Command Code (0x01) followed by 3 bytes time value.
	1052	+)))
1049	1049
	1054	+(((
1050	1050	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1056	+)))
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1052		-* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1053		-* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	1058	+* (((
	1059	+Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	1060	+)))
	1061	+* (((
	1062	+Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	1063	+)))
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1063	1063	[[image:image-20220607171716-9.png]]
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	1076	+(((
1066	1066	(% style="color:#037691" %)**Downlink Command: 0x06**
	1078	+)))
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	1080	+(((
1068	1068	Format: Command Code (0x06) followed by 3 bytes.
	1082	+)))
1069	1069
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1070	1070	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1086	+)))
1071	1071
1072		-* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1073		-* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1088	+* (((
	1089	+Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
	1090	+)))
	1091	+* (((
	1092	+Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1093	+)))
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	1100	+
1075	1075	== 3.3 Calibrate Sensor ==
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1077	1077	Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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1247	1247	=== ​4.3.2 Replace the battery ===
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1249	1249	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.
	1277	+)))
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	1279	+(((
1251	1251	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)
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1269	1269	(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
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	1302	+(((
1272	1272	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:
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1275	1275	[[image:1654593712276-618.png]]