Adafruit MAX31865 PT100 RTD Temperature Sensor Amplifier Circuitrocks SensoWing Prototyping Add-on For Feathers Grove and Qwiic Compatible and so forth for all

and so forth for all four buttons

256 MB DDR3

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please read the photocell tutorial page

infrared sensing Photocell mini photo-resistor pH sensor general-purpose sensing What you can build

Adafruit MAX31865 PT100 RTD Temperature Sensor Amplifier Circuitrocks SensoWing Prototyping Add-on For Feathers Grove and Qwiic Compatible and so forth for allPrecision PT100 Temperature Reading Made Easy The Adafruit PT100 RTD Temperature Sensor Amplifier MAX31865 is a high accuracy breakout designed for reading PT100 platinum RTD sensors with your microcontroller. If your project needs more stable and repeatable temperature measurements than many common thermistors or basic temperature sensors, this board gives you a more reliable way to capture precise readings. Built around the MAX31865, this breakout