MAX31865 Module For PT100/PT1000 Sensor

R180.09 inc VAT

2 in stock

SKU: SEN-030 Categories: ,

The MAX31865 is a tiny surface mount chip, used for the PT100 and PT1000 temperature sensors. Which needs a lot of other components to make it work. luckily you get nifty breakout boards like these which makes life much easier. You can control the chip and read data from it using the breakouts at the bottom.

Power Pins:

  • Vin - this is the power pin. Since the chip uses 3 VDC, we have included a voltage regulator on
    the board that will take 3-5VDC and safely converts it down. To power, the board, give it the same power
    as the logic level of your microcontroller - e.g. for a 5V micro like Arduino, use 5V
  • 3Vo - this is the 3.3V output from the voltage regulator, you can grab up to 100mA from this if you
  • GND - common ground for power and logic

SPI Logic pins:

  • All pins going into the breakout have level shifting circuitry to make them 3-5V logic level safe. Use
    whatever logic level is on Vin!
  • SCK - This is the SPI Clock pin, it is an input to the chip
  • SDO - this is the Serial Data Out / Microcontroller In Sensor Out pin, for data sent from the
    MAX31865 to your processor
  • SDI - this is the Serial Data In / Microcontroller Out Sensor In pin, for data sent from your processor


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