Mikroelektronika d.o.o.
Temp&Hum 23 Klick-Platine
Temp&Hum 23 Klick-Platine
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Key Features
- Niedriger Stromverbrauch, hohe Genauigkeit, deckt erweiterte Betriebsfeuchtigkeits- und Temperaturbereiche ab, interne Heizung, voll funktionsfähig in kondensierender Umgebung, schnelle Datenübertragung und mehr
- Basierend auf dem SHT45 - Sensor für relative Luftfeuchtigkeit und Temperatur von Sensirion
- Kann für Anwendungen mit hohem Volumen verwendet werden
- mikroBUS: I2C-Schnittstelle
Overview
Das Temp&Hum 23 Click Board™ ist eine kompakte Zusatzplatine für Temperatur- und Feuchtigkeitssensorlösungen. Diese Platine verfügt über den SHT45, einen extrem stromsparenden relativen Feuchtigkeits- und Temperatursensor der 4. Generation von Sensirion. Der SHT45 zeichnet sich durch seine hohe Genauigkeit (±1 % RH und ±0,1 °C über einen großen Betriebstemperaturbereich) und hohe Auflösung aus und liefert 16-Bit-Daten an den Host-Controller mit einer konfigurierbaren I2C-Schnittstelle. Außerdem ist es für einen zuverlässigen Betrieb unter rauen Bedingungen wie kondensierenden Umgebungen ausgelegt. Dieses Click Board™ ist perfekt für Anwendungen mit hohem Volumen geeignet.
Das Temp&Hum 23 Click Board™ wird von einer mikroSDK-kompatiblen Bibliothek unterstützt, die Funktionen enthält, die die Softwareentwicklung vereinfachen. Dieses Click Board™ ist ein gründlich getestetes Produkt und kann auf einem System verwendet werden, das mit der mikroBUS™-Buchse ausgestattet ist.
How Does The Temp&Hum 23 Click Board™ Work?
The Temp&Hum 23 Click Board™ is based on the SHT45, a digital sensor platform for measuring relative humidity and temperature at different accuracy classes from Sensirion. The SHT45 builds on a wholly new and optimized CMOS chip offering reduced power consumption, accuracy, and a digital I2C interface for the fastest data transfer. It covers extended operating humidity, and temperature ranges from 0 to 100%RH and from -40°C to 125°C with accuracies of ±1%RH and ±0.1°C.
The SHT45 communicates with MCU using the standard I2C 2-Wire interface. The sensor performs best when operated within the recommended average temperature and humidity range of 5-60°C and 20-80%RH. Long-term exposure to conditions outside recommended normal range, especially at high relative humidity, may temporarily offset the RH signal. After returning to the recommended average temperature and humidity range, the sensor will recover to within specifications by itself.
The Temp&Hum 23 Click Board™ can be operated only with a 3.3V logic voltage level. The board must perform appropriate logic voltage level conversion before using MCUs with different logic levels. However, the Click board™ comes equipped with a library containing functions and an example code that can be used, as a reference, for further development.
SPECIFICATIONS
| Type | Temperature & humidity |
| Applications | Can be used for high-volume applications |
| On-board modules | SHT45 - relative humidity and temperature sensor from Sensirion |
| Key Features | Low power consumption, high accuracy, covers extended operating humidity and temperature ranges, internal heater, fully functional in condensing environment, fast data transfer, and more |
| Interface | I2C |
| Compatibility | mikroBUS |
| Click board size | S (28.6 x 25.4 mm) |
| Input Voltage | 3.3V |
PINOUT DIAGRAM
This table shows how the pinout of the Temp&Hum 23 Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| NC | 1 | AN | PWM | 16 | NC | ||
| NC | 2 | RST | INT | 15 | NC | ||
| NC | 3 | CS | RX | 14 | NC | ||
| NC | 4 | SCK | TX | 13 | NC | ||
| NC | 5 | MISO | SCL | 12 | SCL | I2C Clock | |
| NC | 6 | MOSI | SDA | 11 | SDA | I2C Data | |
| Power Supply | 3.3V | 7 | 3.3V | 5V | 10 | NC | |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
ONBOARD SETTINGS AND INDICATORS
| Label | Name | Default | Description |
|---|---|---|---|
| LD1 | PWR | - | Power LED Indicator |
TEMP&HUM 23 CLICK ELECTRICAL SPECIFICATIONS
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | - | 3.3 | - | V |
| Temperature Accuracy | - | ±0.1 | - | °C |
| Relative Humidity Accuracy | - | ±1 | - | %RH |
| Resolution | - | 16 | - | bit |
| Operating Humidity Range | 0 | - | 100 | %RH |
| Operating Temperature Range | -40 | +25 | +125 | °C |
Software Support
We provide a library for the Temp&Hum 23 Click Board™ as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
The package can be downloaded/installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on the MikroE Github account.
Library Description
This library contains API for the Temp&Hum 23 Click Board™ driver.
Key functions
-
temphum23_soft_resetThis function performs the software reset by sending the soft reset command. -
temphum23_read_serial_numThis function reads the 4-bytes unique serial number by using I2C serial interface. -
temphum23_read_measurement_high_precisionThis function reads the temperature and humidity measurements with high precision.
Example Description
This example demonstrates the Temp&Hum 23 Click Board™ by reading the temperature and humidity data.
void application_task ( void )
{
float temperature, humidity;
if ( TEMPHUM23_OK == temphum23_read_measurement_high_precision ( &temphum23, &temperature, &humidity ) )
{
log_printf ( &logger, " Temperature: %.2f degCrn", temperature );
log_printf ( &logger, " Humidity: %.2f %%RHrnn", humidity );
Delay_ms ( 1000 );
}
}
The complete application code, and ready to use projects can be installed directly from NECTO Studio. The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.
Other MikroE Libraries used in the example:
- MikroSDK.Board
- MikroSDK.Log
- Click.TempHum23
Additional Notes and Information
Depending on the development board you are using, you may need USB UART Click Board™, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.
MIKROSDK
The Temp&Hum 23 Click Board™ is supported with mikroSDK - MikroElektronika Software Development Kit. To ensure proper operation of mikroSDK compliant Click board™ demo applications, mikroSDK should be downloaded from the LibStock and installed for the compiler you are using.
Software Support
We provide a library for the Temp&Hum 23 Click Board™ as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
The package can be downloaded/installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on the MikroE Github account.
Library Description
This library contains API for the Temp&Hum 23 Click Board™ driver.
Key functions
-
temphum23_soft_resetThis function performs the software reset by sending the soft reset command. -
temphum23_read_serial_numThis function reads the 4-bytes unique serial number by using I2C serial interface. -
temphum23_read_measurement_high_precisionThis function reads the temperature and humidity measurements with high precision.
Example Description
This example demonstrates the Temp&Hum 23 Click Board™ by reading the temperature and humidity data.
void application_task ( void )
{
float temperature, humidity;
if ( TEMPHUM23_OK == temphum23_read_measurement_high_precision ( &temphum23, &temperature, &humidity ) )
{
log_printf ( &logger, " Temperature: %.2f degCrn", temperature );
log_printf ( &logger, " Humidity: %.2f %%RHrnn", humidity );
Delay_ms ( 1000 );
}
}
The complete application code, and ready to use projects can be installed directly from NECTO Studio. The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.
Other MikroE Libraries used in the example:
- MikroSDK.Board
- MikroSDK.Log
- Click.TempHum23
Additional Notes and Information
Depending on the development board you are using, you may need USB UART Click Board™, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.
MIKROSDK
The Temp&Hum 23 Click Board™ is supported with mikroSDK - MikroElektronika Software Development Kit. To ensure proper operation of mikroSDK compliant Click board™ demo applications, mikroSDK should be downloaded from the LibStock and installed for the compiler you are using.
Frequently Asked Questions
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