Product description: MAX31856 - Universal SPI Thermocouple Amplifier - Adafruit 3263
MAX31856 thermocouple amplifier module communicating via a 4-pin SPI interface. Compatible with K, J, N, R, S, T, E, and B thermocouples. Operates with voltages from 3V to 5V and temperatures from -210°C to 1800°C with a resolution of 0.0078125°C.
Thermocouple Amplifier Specifications
- Supply voltage: 3 V to 5 V
- Works with thermocouples type K, J, N, R, S, T, E and B
- Temperature range: -210 °C to 1800 °C
- Resolution: 0.0078125 °C
- Interface: SPI
- Dimensions: 25 x 22 x 3 mm
- Weight: 3.5 g
Arduino compatible product The manufacturer has prepared a user guide and a library with a sample program for Arduino users. |
Connecting the module
The module communicates via the SPI bus. It has 9 pins.
| Pin | Description |
|---|---|
| VIN | 3V to 5V power pin. |
| GND | System mass. |
| 3Vo | Regulated 3.3V output with 100mA capacity. |
| SCK | SPI interface clock line. |
| SDO | Data output - MISO line of the SPI interface. |
| SDI | Data input - MOSI line of the SPI interface. |
| CS | Chip Select input. |
| FLT | Output that goes low when an error is detected. |
| DRDY | Pin for advanced use, not supported in the library. |
