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Software/Python/grove_i2c_temp_hum_sensor_mini/grove_i2c_temp_hum_mini.py

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+#!/usr/bin/env python
+#
+# GrovePi Library for using the Grove - Temperature&Humidity Sensor (http://www.seeedstudio.com/depot/Grove-TemperatureHumidity-Sensor-HighAccuracy-Mini-p-1921.html)
+#
+# The GrovePi connects the Raspberry Pi and Grove sensors.  You can learn more about GrovePi here:  http://www.dexterindustries.com/GrovePi
+#
+# Have a question about this library?  Ask on the forums here:  http://forum.dexterindustries.com/c/grovepi
+#
+# Released under the MIT license (http://choosealicense.com/licenses/mit/).
+# For more information see https://github.com/DexterInd/GrovePi/blob/master/LICENSE
+#################################################################################################################################################
+# NOTE:
+# The software for this sensor is still in development and might make your GrovePi unuable as long as this sensor is connected with the GrovePi
+#################################################################################################################################################
+import time,sys
+import RPi.GPIO as GPIO
+import smbus
+
+debug = 0
+# use the bus that matches your raspi version
+rev = GPIO.RPI_REVISION
+if rev == 2 or rev == 3:
+    bus = smbus.SMBus(1)
+else:
+    bus = smbus.SMBus(0)
+
+class th02:
+
+	ADDRESS = 0x40
+
+	TH02_REG_STATUS = 0x00
+	TH02_REG_DATA_H = 0x01
+	TH02_REG_DATA_L = 0x02
+	TH02_REG_CONFIG = 0x03
+	TH02_REG_ID = 0x11
+
+	TH02_STATUS_RDY_MASK = 0x01
+
+	TH02_CMD_MEASURE_HUMI = [0x01]
+	TH02_CMD_MEASURE_TEMP = [0x11]
+
+	SUCCESS = 0
+
+	def getTemperature(self):
+		bus.write_i2c_block_data(self.ADDRESS, self.TH02_REG_CONFIG, self.TH02_CMD_MEASURE_TEMP)
+
+		while 1:
+			status=self.getStatus()
+			if debug:
+				print("st:",status)
+			if status:
+				break
+		t_raw=bus.read_i2c_block_data(self.ADDRESS, self.TH02_REG_DATA_H,3)
+		if debug:
+			print(t_raw)
+		temperature = (t_raw[1]<<8|t_raw[2])>>2
+		return (temperature/32.0)-50.0
+
+	def getHumidity(self):
+		bus.write_i2c_block_data(self.ADDRESS, self.TH02_REG_CONFIG, self.TH02_CMD_MEASURE_HUMI)
+
+		while 1:
+			status=self.getStatus()
+			if debug:
+				print("st:",status)
+			if status:
+				break
+		t_raw=bus.read_i2c_block_data(self.ADDRESS, self.TH02_REG_DATA_H,3)
+		if debug:
+			print(t_raw)
+		temperature = (t_raw[1]<<8|t_raw[2])>>4
+		return (temperature/16.0)-24.0
+
+	def getStatus(self):
+		status=bus.read_i2c_block_data(self.ADDRESS, self.TH02_REG_STATUS,1)
+		if debug:
+			print(status)
+		if status[0] & self.TH02_STATUS_RDY_MASK != 1:
+			return 1
+		else:
+			return 0
+
+if __name__ == "__main__":
+	t= th02()
+	while True:
+		print(t.getTemperature(),t.getHumidity())
+		time.sleep(.5)

Software/Python/grove_i2c_temp_hum_sensor_mini/temp_hum_example.py

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+#!/usr/bin/env python
+#
+# GrovePi Example for using the Grove - Temperature&Humidity Sensor (High-Accuracy & Mini)(http://www.seeedstudio.com/depot/Grove-TemperatureHumidity-Sensor-HighAccuracy-Mini-p-1921.html
+#		
+# This example prints the gesture on the screen when a user does an action over the sensor
+#
+# The GrovePi connects the Raspberry Pi and Grove sensors.  You can learn more about GrovePi here:  http://www.dexterindustries.com/GrovePi
+#
+# Have a question about this example?  Ask on the forums here:  http://forum.dexterindustries.com/c/grovepi
+#
+'''
+## License
+
+The MIT License (MIT)
+
+GrovePi for the Raspberry Pi: an open source platform for connecting Grove Sensors to the Raspberry Pi.
+Copyright (C) 2017  Dexter Industries
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+'''
+#################################################################################################################################################
+# NOTE:
+# The software for this sensor is still in development and might make your GrovePi unuable as long as this sensor is connected with the GrovePi
+#################################################################################################################################################
+import grove_i2c_temp_hum_mini
+import time
+
+t= grove_i2c_temp_hum_mini.th02()
+while True:
+	print("Temp: %.2fC\tHumidity:%.2f" %(t.getTemperature(),t.getHumidity()),"%") 
+	time.sleep(.5)