hs3003: Add new relative humidity and temperature sensor driver.

Renesas HS3003 Humidity and Temperature sensor driver.

Author: iabdalkader

micropython/drivers/sensor/hs3003/hs3003.py

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+"""
+The MIT License (MIT)
+
+Copyright (c) 2023 Arduino SA
+
+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.
+
+HS3003 driver for MicroPython.
+
+Example usage:
+
+import time
+from hs3003 import HS3003
+from machine import Pin, I2C
+
+bus = I2C(1, scl=Pin(15), sda=Pin(14))
+hts = HS3003(bus)
+
+while True:
+ rH = hts.humidity()
+ temp = hts.temperature()
+ print ("rH: %.2f%% T: %.2fC" %(rH, temp))
+ time.sleep_ms(100)
+"""
+
+import struct
+
+
+class HS3003:
+ def __init__(self, bus, address=0x44):
+ self.bus = bus
+ self.address = address
+
+ def _read_data(self):
+ # Init measurement mode
+ self.bus.writeto(self.address, b"")
+ # Data fetch
+ return struct.unpack(">HH", self.bus.readfrom(self.address, 4))
+
+ def humidity(self):
+ """Returns the relative humidity in percent."""
+ h, t = self._read_data()
+ return ((h & 0x3FFF) / 16383) * 100
+
+ def temperature(self):
+ """Returns the temperature in degrees Celsius."""
+ h, t = self._read_data()
+ return ((t >> 2) / 16383) * 165 - 40

micropython/drivers/sensor/hs3003/manifest.py

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+metadata(description="Renesas HS3003 Humidity and Temperature sensor driver.", version="1.0.0")
+module("hs3003.py", opt=3)