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CircuitPython library for the Adafruit MCP9600 breakout

Project description

Introduction

Documentation Status Discord Build Status

This is a CircuitPython driver for the MCP9600 thermocouple I2C amplifier. In addition to the MCP9600 breakout, you will also need a thermocouple, which can be found in the Adafruit store. The MCP9600 supports several thermocouple types for different temperature ranges. The “K” type is the default, with a range of -200C to +1372C.

Dependencies

This driver depends on:

Please ensure all dependencies are available on the CircuitPython filesystem. This is easily achieved by downloading the Adafruit library and driver bundle.

Usage Example

This is a simple example showing the hot junction temperature (the temperature at the tip of the thermocouple). You may need to adjust the I2C frequency if you receive input/output errors.

import board
import busio
from adafruit_bus_device.i2c_device import I2CDevice
from adafruit_mcp9600 import MCP9600

i2c = busio.I2C(board.SCL, board.SDA,frequency=200000)
try:
    # using default I2C register and "K" thermocouple
    device = MCP9600(i2c)
    print("temperature(C):",device.temperature)
except ValueError:
    print("MCP9600 sensor not detected")

This example displays the ambient/room and hot junction temperatures at 1 second intervals. Turn on the Mu editor’s plotter option to view the temperatures in a real-time graph.

import board
import busio
import time
from adafruit_bus_device.i2c_device import I2CDevice
from adafruit_mcp9600 import MCP9600

i2c = busio.I2C(board.SCL, board.SDA, frequency=200000)

try:
    device = MCP9600(i2c)
    print("version:", device.version)
    while True:
        print((
            device.ambient_temperature,
            device.temperature
        ))
        time.sleep(1)
except ValueError:
    print("MCP9600 sensor not detected")

Contributing

Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.

Documentation

For information on building library documentation, please check out this guide.

Project details


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