Mikroelektronika d.o.o.
Barometer 7 Click Board™
Barometer 7 Click Board™
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Overview
Das Barometer 7 Click Board™ ist eine kompakte Zusatzplatine zum Messen des Luftdrucks in einer bestimmten Umgebung. Diese Platine verfügt über den KP264XTMA1, einen hochpräzisen digitalen barometrischen Luftdrucksensor basierend auf einem kapazitiven Prinzip von Infineon Technologies. Die Oberfläche des KP264XTMA1 ist mikrobearbeitet und verfügt über einen monolithischen integrierten Signalaufbereitungsschaltkreis in BiCMOS-Technologie, der den Druck in einen 10-Bit-Digitalwert umwandelt und die Informationen über die SPI-Schnittstelle sendet. Er misst den Druck von 40 kPa bis 115 kPa mit einer Genauigkeit von ±1,5 kPa über einen weiten Betriebstemperaturbereich.
Das Barometer 7 Click Board™ eignet sich für verschiedene druckbasierte Anwendungen im Industrie- und Verbraucherbereich, für Wetterstationen und vieles mehr.
| General Information | |
|---|---|
Part Number (SKU) |
MIKROE-4913
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Manufacturer |
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| Physical and Mechanical | |
Weight |
0.02 kg
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| Other | |
Country of Origin |
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HS Code Customs Tariff code
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EAN |
8606027389689
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Warranty |
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How Does The Barometer 7 Click Board™ Work?
The Barometer 7 Click Board™ as its foundation uses the KP264XTMA1, a high-accuracy digital barometric air pressure sensor from Infineon Technologies, to measure air pressure in a specific environment. The sensor is individually calibrated and temperature compensated, reducing software complexity by directly reading pressure and temperature. The KP264XTMA1 provides a fast startup time of less than 10ms, measures pressure in a range from 40kPa up to 115kPa with an accuracy of ±1.5kPa, ideally suited to the harsh environmental conditions prevalent in industrial and consumer applications.
The Barometer 7 Click Board™ communicates with MCU through a standard SPI interface that enables high clock speeds up to 5MHz. The KP264XTMA1 converts pressure into a 10-bit digital value and sends the information via the SPI interface. In addition, a temperature sensor is also integrated into this chip. The 10-bit temperature information will also be transmitted via the SPI interface based on the received SPI command.
The KP264XTMA1 is fully calibrated and has a linear transfer function between the applied pressure and the digital output signal. Its unique reliability feature is the integrated diagnostic mode, which tests the sensor cells and the signal path, triggered with an SPI command.
The Barometer 7 Click Board™ can operate with both 3.3V and 5V logic voltage levels selected via the VCC SEL jumper. This way, it is allowed for both 3.3V and 5V capable MCUs to use the communication lines properly. However, the Click board™ comes equipped with a library that contains easy-to-use functions and an example code that can be used, as a reference, for further development.
SPECIFICATIONS
| Type | Pressure |
| Applications | The Barometer 7 Click Board™ be used for various pressure-based applications, industrial, consumer, weather stations, and many more |
| On-board modules | KP264XTMA1 - high-accuracy digital barometric air pressure sensor from Infineon Technologies |
| Key Features | Low power consumption, high accuracy, integrated temperature sensor, 10-bit pressure and temperature resolution, self-diagnosis features, and more |
| Interface | SPI |
| Compatibility | mikroBUS |
| Click board size | S (28.6 x 25.4 mm) |
| Input Voltage | 3.3V or 5V |
PINOUT DIAGRAM
This table shows how the pinout of the Barometer 7 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 | ||
| 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 | NC | |
| SPI Data IN | SDI | 6 | MOSI | SDA | 11 | NC | |
| Power Supply | 3.3V | 7 | 3.3V | 5V | 10 | 5V | Power Supply |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
ONBOARD SETTINGS AND INDICATORS
| Label | Name | Default | Description |
|---|---|---|---|
| LD1 | PWR | - | Power LED Indicator |
| JP1 | VCC SEL | Left | Logic Level Voltage Selection 3V3/5V: Left position 3V3, Right position 5V |
BAROMETER 7 CLICK ELECTRICAL SPECIFICATIONS
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 3.3 | - | 5 | V |
| Operating Pressure Range | 40 | - | 115 | kPa |
| Accuracy (0 - 85°C) | -1.5 | - | +1.5 | kPa |
| Resolution | - | 10 | - | bits |
| Operating Temperature Range | -40 | +25 | +125 | °C |
Frequently Asked Questions
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