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5V to 28V (typically 5V)
This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC
52 kHz fixed frequency internal oscillator
RED: Power (12V)
MAX31865 PT100/PT1000 RTD Temperature Thermocouple Sensor Image Processing 5V to 28V (typically 5V)Introduction : For precision temperature sensing, nothing beats a Platinum RTD. Resistance temperature detectors (RTDs) are temperature sensors that contain a resistor that changes resistance value as its temperature changes, basically a kind of thermistor. In this sensor, the resistor is actually a small strip of Platinum with a resistance of 100 ohms at 0C, thus the name PT100. You could connect to it with any microcontroller over SPI and read out
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