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217		-=== 2.3.2  DS18B20 Temperature sensor ===
	217	+=== 2.3.2 DS18B20 Temperature sensor ===
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219	219	This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
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230		-=== 2.3.3  Distance ===
	230	+=== 2.3.3 Soil pH ===
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232		-Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength.
	232	+Range: 0 ~~ 14 pH
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	234	+**Example:**
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235		-**Example**:
	236	+(% style="color:#037691" %)** 0x02B7(H) = 695(D) = 6.95pH**
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237		-If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm.
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240		-
241	241	=== 2.3.4 Soil Temperature ===
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243	243	Get Soil Temperature