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Last modified by Mengting Qiu on 2025/07/03 15:42
From version 156.1
edited by Mengting Qiu
on 2025/05/16 15:20
Change comment: There is no comment for this version
To version 156.2
edited by Mengting Qiu
on 2025/05/16 16:40
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1789,6 +1789,7 @@
1789 1789  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1790 1790  
1791 1791  
1792 +
1792 1792  == 3.10 SDI12 timing(Since v1.3.0) ==
1793 1793  
1794 1794  
... ... @@ -1814,6 +1814,107 @@
1814 1814  
1815 1815  * Example: 0xA90D09  ~/~/  Same as AT+SDITIMING=13,9
1816 1816  
1818 +
1819 +
1820 +== 3.11 add Pulse_count, VDC_input, IDC_input(Since firmware V1.3.0) ==
1821 +
1822 +
1823 +(% style="color:blue" %)**Setting up external sensors:**
1824 +
1825 +* (% style="color:#037691" %)**AT Command:**
1826 +
1827 +(% style="color:#4472c4" %)**AT+EXT=a,b,c**(%%)
1828 +
1829 +(% style="color:#4472c4" %)**a:**(%%)  **0:** ignore I2C interface.  ** 1:** Add SHT31 sensor support (4 bytes).
1830 +(% style="color:#4472c4" %)**b: **(%%) **0:** ignore pulse interface ( doesn't effect interrupt ).  **1:** Add Counting Support (4 bytes).
1831 +(% style="color:#4472c4" %)**c:**(%%)  **0:** ignore one wire interface.  **1:** Add DS18B20 support (2 bytes).
1832 +
1833 +**Example:**
1834 +
1835 +(% style="color:#4472c4" %)**AT+EXT=1,1,1**
1836 +
1837 +Device will add SHT31, counting, DS18B20 support.
1838 +
1839 +The payload will be:
1840 +Battery(mV) & Interrupt _Flag + PAYLOAD_VER + ***SHT31 temp** + ***SHT31 Hum** + ***counting** + *DS18B20 + Length depends on the return from the commands
1841 +
1842 +(% style="color:#4472c4" %)**AT+EXT=0,1,0**
1843 +
1844 +Device will add counting support.
1845 +
1846 +The payload will be:
1847 +Battery(mV) & Interrupt _Flag + PAYLOAD_VER + ***counting** + Length depends on the return from the commands
1848 +
1849 +* (% style="color:#037691" %)**Downlink Command: 0x0B aa bb cc**
1850 +
1851 +Format: Command Code (0x0B) followed by 3 bytes.
1852 +
1853 +(% style="color:#037691" %)**aa:**(%%) Set whether to add SHT31 sensor support.  **00**: No, **01**: Add.
1854 +
1855 +(% style="color:#037691" %)**bb:**(%%) Set whether to add Counting Support.  **00**: No, **01**: Add.
1856 +
1857 +(% style="color:#037691" %)**cc:**(%%) Set whether to add DS18B20 support.  **00**: No, **01**: Add.
1858 +
1859 +**Example:**
1860 +
1861 +Downlink payload:  0B 00 00 01  ~/~/AT+EXT=0,0,1  Add DS18B20 support
1862 +
1863 +Downlink payload:  0B 01 00 01  ~/~/AT+EXT=1,0,1  Add SHT31 sensor support and DS18B20 support                        
1864 +
1865 +
1866 +(% style="color:blue" %)**Set the pulse count value:**
1867 +
1868 +* (% style="color:#037691" %)**AT Command:**
1869 +
1870 +(% style="color:#4472c4" %)**AT+SETCNT=aa     **(%%)~/~/ Set the pulse count value.
1871 +
1872 +**Example:**
1873 +
1874 +AT+SETCNT=100  (% style="display:none" %) (%%)~/~/ Set the pulse count to 100.(% style="display:none" %)
1875 +
1876 +* (% style="color:#037691" %)**Downlink Command: 0x0C**
1877 +
1878 +Format: Command Code (0x0C) followed by 4 bytes.
1879 +
1880 +**Example:**
1881 +
1882 +Downlink Payload: 0C 00 00 00 64  ~/~/ AT+SETCNT=100
1883 +
1884 +
1885 +(% style="color:blue" %)**Connect DS18B20 sensor:**
1886 +
1887 +**RED <~-~-~-~-~-~-~-~--> VBAT_OUT(+3.3V)**
1888 +
1889 +**YELLOW <~-~-~-~-> ONE_WIRE**
1890 +
1891 +**BLACK <~-~-~-~-~-~-> GND**
1892 +
1893 +[[image:image-20241223101841-3.jpeg||height="417" width="666"]]
1894 +
1895 +
1896 +(% style="color:blue" %)**Connect SHT31 sensor:**
1897 +
1898 +**RED <~-~-~-~-~-~-~-~--> VBAT_OUT(+3.3V)**
1899 +
1900 +**YELLOW <~-~-~-~-> SCL**
1901 +
1902 +**GREEN <~-~-~-~-~-~-> SDA**
1903 +
1904 +**BLACK <~-~-~-~-~-~-> GND**
1905 +
1906 +[[image:image-20241223100438-2.jpeg||height="440" width="672"]]
1907 +
1908 +
1909 +(% style="color:blue" %)**Connect counting sensor:**
1910 +
1911 +The counting sensor cables are connected to the VBAT_OUT(+3.3v) pin and GPIO_EXTI pin of the RS485_LB motherboard.
1912 +
1913 +[[image:image-20241223102347-4.jpeg||height="437" width="683"]]
1914 +
1915 +
1916 +
1917 +
1918 +
1817 1817  = 4. Battery & Power Consumption =
1818 1818  
1819 1819