This Arduino library enables temperature sensing using the 7Semi MAX31865 breakout board, compatible with PT100 and PT1000 RTDs. It communicates over SPI and provides high-accuracy readings for industrial and scientific use.
- 7Semi MAX31865 Module
- PT100 or PT1000 RTD sensor
- Arduino-compatible board
- SPI connection (SCK, MISO, MOSI, CS)
- Open the Arduino IDE
- Go to:
Sketch > Include Library > Manage Libraries…(IDE 1.x), or- Use the Library Manager icon (IDE 2.x sidebar)
- Search for: -7Semi MAX31865
- Click Install
Then include in your sketch: #include <7semi_max31865.h>
| MAX31865 Pin | Arduino Pin (Uno Example) |
|---|---|
| VCC | 3.3V or 5V |
| GND | GND |
| CS | D10 |
| SCK | D13 |
| MISO | D12 |
| MOSI | D11 |
Industrial temperature sensing
Scientific data acquisition
Lab instrumentation
HVAC and process control