← All parts
Adafruit MAX31865 RTD Amplifier
AdafruitAdafruit MAX31865 RTD Amplifier
A precision temperature sensing board with an integrated MAX31865 amplifier for PT100 or PT1000 RTDs, providing SPI interface and on-board voltage regulation.
In stock
Specifications
3- Operating Voltage
- 3-5VDC (Vin) / 3.3V (3Vo)
- Logic Level
- 3-5V
- Connectivity
- SPI
Pinout
8Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| Vin | Power | POWER | 3-5VDC input |
| 3Vo | 3.3V Output | — | Up to 100mA, 3.3V output from voltage regulator |
| GND | Ground | GND | Common ground for power and logic |
| SCK | SPI Clock | SPI | |
| SDO | Serial Data Out | SPI | |
| SDI | Serial Data In | SPI | |
| CS | Chip Select | SPI | |
| RDY | Ready | — | Data-ready indicator |
Interactive pinout
Highlight:
Adafruit MAX31865 RTD Amplifier
Click a pin to copy its name · tap a tag above to spotlight a bus.