THERMO click features the MAX31855K thermocouple-to-digital converter as well as PCC-SMP connector for K-type thermocouple probes. The click is designed to run on a 3.3V power supply. It communicates with the target MCU over an SPI interface (Read-only).
THERMO click is a compact solution for adding thermocouple to your device.
Note: K-type thermocouple probe is not included in the package.
The MAX31855 is a sophisticated thermocouple-to-digital converter with a built-in 14-bit analog-to-digital converter (ADC).
The MAX31855K has a temperature range between -270 and 1372°C with sensitivity of about 41μV/°C.
The device also contains cold-junction compensation sensing and correction, a digital controller, an SPI compatible interface, and associated control logic.
The combination of the MAX31855K and PCC-SMP connector results in support for high-accuracy temperature measurement.
In order to use THERMO click you need to connect the appropriate K-type thermocouple probe (not included in the package) into the PCC-SMP connector.
The function of the thermocouple is to sense a difference in temperature between two ends of the thermocouple wires. The thermocouple’s “hot” junction can be read across the operating temperature range.
The reference junction, or “cold” end (which should be at the same temperature as the board on which the device is mounted) can range from -55°C to +125°C. While the temperature at the cold end fluctuates, the device continues to accurately sense the temperature difference at the opposite end.
THERMO click is ideal for thermostatic, process-control, monitoring applications and more.
|Applications||THERMO Click with K-Type Thermocouple probe is ideal for thermostatic, process-control, monitoring applications and more|
|On-board modules||MAX31855K thermocouple-to-digital converter and PCC-SMP connector for K-type thermocouple probes|
|Key Features||Cold-Junction Compensation. 14-Bit, 0.25°C Resolution. Detects Thermocouple Shorts to GND or VCC. On-board PCC-SMP connector for K-type thermocouple probes|
|Key Benefits||Supports K-type thermocouple probes, measuring temperatures from -200°C to +700°C|
|Click board size||S (28.6 x 25.4 mm)|
This table shows how the pinout on THERMO click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
|Not connected||NC||1||AN||PWM||16||NC||Not connected|
|Not connected||NC||2||RST||INT||15||NC||Not connected|
|Active-Low Chip Select||CS#||3||CS||TX||14||NC||Not connected|
|Serial-Clock Input||SCK||4||SCK||RX||13||NC||Not connected|
|Serial-Data Output||SDO||5||MISO||SCL||12||NC||Not connected|
|Not connected||NC||6||MOSI||SDA||11||NC||Not connected|
|Power supply||+3.3V||7||3.3V||5V||10||NC||Not connected|
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