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MicroBit driver for SHT20, SHT21, SHT25 digital sensor, enabliing the the microbit to obtain temperature or relative humidity from these sensors. The driver comes in both C++ library and a makecode package for use on the Makecode Microbit Editor.

Setup

1. Library Version
   • Include driver_sht2x.h for the defintions.
   • Compile you program with driver_sht2x.c.
2. Makecode Version
   • Navigate to Add Package and enter this repository's URL.
   • Select this package from the results.

Usage

First ensure that the sensor is connected properly to the MicroBit's I2c pins. Or the driver will complain with a Microbit panic.

This package/library provides:

1. read_temperature() - Read ambient tempreture
   • reads the temperature from the sensor.
   • returns the tempreture as an integer in degree celsius
2. read_humidity() - - Read ambient relative humidity
   • reads the relative humidity from the sensor.
   • returns the relative humidity in as a integer percentage.
3. set_i2c_address - Change the i2c address used to address the sensor. By default this is set to 0x40.

Troubleshooting

1. MicroBit panics (displays a frowning face) with an error code of 80.
   • The driver was unable to read from the sensor. Check whether the sensor is connected properly.
   • If the sensor is connected properly, the driver is still unable to detect the sensor, try changing the i2c adddress using set_i2c_address()

License

MIT

Supported targets

• for PXT/microbit (The metadata above is needed for package search.)

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