Mikroelektronika d.o.o.
Temp&Hum 16 Click Board
Temp&Hum 16 Click Board
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Overview
The Temp&Hum 16 Click Board™ is a compact add-on board that represents temperature and humidity sensing solutions. This board features the WSEN-HIDS (2525020210001), a MEMS-based capacitive humidity sensor with an integrated ASIC and I2C and SPI serial communication from Würth Elektronik. A silicon-based temperature sensor is also integrated within the same package. ASIC contains the multiplier, operational amplifier, analogue-to-digital converter, and other signal conditioning blocks like controller logics and interrupts.
The Temp&Hum 16 Click Board™ converts the analogue signal from humidity and temperature sensing elements into 16-bit digital humidity and temperature values. The WSEN-HIDS is factory calibrated for both humidity and temperature measurements with no further calibration required. This Click Board™ is an ideal solution to be used in various temperature and humidity-related applications.
How Does The Temp&Hum 16 Click Board™ Work?
The Temp&Hum 16 Click Board™ as its foundation uses the WSEN-HIDS, a 16-bit digital ultra-low-power and high-performance humidity sensor with digital output interface and embedded temperature sensor for ambient temperature measurement from Würth Elektronik. It measures relative humidity from 0 to 100% RH with an output data rate of up to 12.5Hz. The sensor is fully calibrated with no further calibration required. The initialization of the sensor can be performed by selecting the operation mode (Continuous or One-shot) and output data rate.
After initializing the sensor, it is recommended to check the availability of data samples using an interrupt signal labelled RDY and routed to the INT pin on the mikroBUS™ socket. By default, after powering up, the sensor goes to power-down mode. In power-down mode, all internal blocks are turned off to minimize power consumption. After selecting one of the two operating modes, the sensor is in an active measurement state depending on the output data rate.
The Temp&Hum 16 Click Board™ provides the possibility of using both I2C and SPI interfaces with a maximum frequency of 100kHz in Standard and 400kHz in Fast mode for I2C and 8MHz for 3-wire SPI communication. 3-wire SPI shares a single data line for the data transfer, where the Master and Slave alternate their transmitter and receiver roles synchronously. The communication interface selection can be made by positioning SMD jumpers labelled COMM SEL to an appropriate position. Note that all the jumpers' positions must be on the same side, or else the Click board™ may become unresponsive.
The Temp&Hum 16 Click Board™ can be operated only with a 3.3V logic voltage level. The board must perform appropriate logic voltage level conversion before use with 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 | The Temp&Hum 16 Click Board™ is an ideal solution to be used in various temperature and humidity-related applications |
| On-board modules | WSEN-HIDS (2525020210001) - MEMS-based capacitive humidity sensor with an integrated ASIC and I2C and SPI serial communication from Würth Elektronik |
| Key Features | Low power consumption, high performance, digital output interface, embedded temperature sensor for ambient temperature measurement, fully calibrated, and more. |
| Interface | I2C,SPI |
| 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 16 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 | RDY | Data-Ready Signal | |
| SPI Chip Select | CS | 3 | CS | RX | 14 | NC | |
| SPI Clock | SCK | 4 | SCK | TX | 13 | NC | |
| SPI Data OUT | SDO | 5 | MISO | SCL | 12 | SCL | I2C Clock |
| SPI Data IN | SDI | 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 |
| JP1-JP3 | COMM SEL | Right | Communication Interface Selection SPI/I2C: Left position SPI, Right position I2C |
TEMP&HUM 16 CLICK ELECTRICAL SPECIFICATIONS
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | - | 3.3 | - | V |
| Humidity Measurement Range | 0 | - | 100 | %RH |
| Resolution | - | 16 | - | bits |
| Output Data Rate | 1 | - | 12.5 | Hz |
| Operating Temperature Range | -40 | +25 | +120 | °C |
Software Support
We provide a library for the Temp&Hum 16 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 MikroE Github account.
Library Description
This library contains API for Temp&Hum 16 Click driver.
Key Functions
temphum16_cfg_setup- Config Object Initialization function.temphum16_init- Initialization function.temphum16_default_cfg- Click Default Configuration function.
Example Description
This library contains API for the Temp&Hum 16 Click Board™ driver. This demo application shows an example of humidity and temperature measurement.
The demo application is composed of two sections :
void application_task ( void ) {
if ( temphum16_check_ready( &temphum16 ) == TEMPHUM16_DRDY ) {
temphum16_get_temperature( &temphum16, &temperature );
log_printf( &logger, " Temperature : %.2f Crn", temperature );
temphum16_get_humidity( &temphum16, &humidity );
log_printf( &logger, " Humidity : %.2f %%rn", humidity );
log_printf( &logger, "-----------------------rn" );
Delay_ms( 1000 );
}
}
The full 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.TempHum16
Additional Notes and Information
Depending on the development board you are using, you may need a USB UART click, 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. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.
MIKROSDK
The Temp&Hum 16 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 16 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 MikroE Github account.
Library Description
This library contains API for Temp&Hum 16 Click driver.
Key Functions
temphum16_cfg_setup- Config Object Initialization function.temphum16_init- Initialization function.temphum16_default_cfg- Click Default Configuration function.
Example Description
This library contains API for the Temp&Hum 16 Click Board™ driver. This demo application shows an example of humidity and temperature measurement.
The demo application is composed of two sections :
void application_task ( void ) {
if ( temphum16_check_ready( &temphum16 ) == TEMPHUM16_DRDY ) {
temphum16_get_temperature( &temphum16, &temperature );
log_printf( &logger, " Temperature : %.2f Crn", temperature );
temphum16_get_humidity( &temphum16, &humidity );
log_printf( &logger, " Humidity : %.2f %%rn", humidity );
log_printf( &logger, "-----------------------rn" );
Delay_ms( 1000 );
}
}
The full 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.TempHum16
Additional Notes and Information
Depending on the development board you are using, you may need a USB UART click, 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. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.
MIKROSDK
The Temp&Hum 16 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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