Simple test

Ensure your device works with this simple test.

examples/mcp3xxx_mcp3008_single_ended_simpletest.py
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# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import busio
import digitalio
import board
import adafruit_mcp3xxx.mcp3008 as MCP
from adafruit_mcp3xxx.analog_in import AnalogIn

# create the spi bus
spi = busio.SPI(clock=board.SCK, MISO=board.MISO, MOSI=board.MOSI)

# create the cs (chip select)
cs = digitalio.DigitalInOut(board.D5)

# create the mcp object
mcp = MCP.MCP3008(spi, cs)

# create an analog input channel on pin 0
chan = AnalogIn(mcp, MCP.P0)

print("Raw ADC Value: ", chan.value)
print("ADC Voltage: " + str(chan.voltage) + "V")
examples/mcp3xxx_mcp3004_single_ended_simpletest.py
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# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import busio
import digitalio
import board
import adafruit_mcp3xxx.mcp3004 as MCP
from adafruit_mcp3xxx.analog_in import AnalogIn

# create the spi bus
spi = busio.SPI(clock=board.SCK, MISO=board.MISO, MOSI=board.MOSI)

# create the cs (chip select)
cs = digitalio.DigitalInOut(board.D5)

# create the mcp object
mcp = MCP.MCP3004(spi, cs)

# create an analog input channel on pin 0
chan = AnalogIn(mcp, MCP.P0)

print("Raw ADC Value: ", chan.value)
print("ADC Voltage: " + str(chan.voltage) + "V")
examples/mcp3xxx_mcp3002_single_ended_simpletest.py
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# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import busio
import digitalio
import board
import adafruit_mcp3xxx.mcp3002 as MCP
from adafruit_mcp3xxx.analog_in import AnalogIn

# create the spi bus
spi = busio.SPI(clock=board.SCK, MISO=board.MISO, MOSI=board.MOSI)

# create the cs (chip select)
cs = digitalio.DigitalInOut(board.D5)

# create the mcp object
mcp = MCP.MCP3002(spi, cs)

# create an analog input channel on pin 0
chan = AnalogIn(mcp, MCP.P0)

print("Raw ADC Value: ", chan.value)
print("ADC Voltage: " + str(chan.voltage) + "V")
examples/mcp3xxx_mcp3008_differential_simpletest.py
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# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import busio
import digitalio
import board
import adafruit_mcp3xxx.mcp3008 as MCP
from adafruit_mcp3xxx.analog_in import AnalogIn

# create the spi bus
spi = busio.SPI(clock=board.SCK, MISO=board.MISO, MOSI=board.MOSI)

# create the cs (chip select)
cs = digitalio.DigitalInOut(board.D5)

# create the mcp object
mcp = MCP.MCP3008(spi, cs)

# create a differential ADC channel between Pin 0 and Pin 1
chan = AnalogIn(mcp, MCP.P0, MCP.P1)

print("Differential ADC Value: ", chan.value)
print("Differential ADC Voltage: " + str(chan.voltage) + "V")
examples/mcp3xxx_mcp3004_differential_simpletest.py
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# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import busio
import digitalio
import board
import adafruit_mcp3xxx.mcp3004 as MCP
from adafruit_mcp3xxx.analog_in import AnalogIn

# create the spi bus
spi = busio.SPI(clock=board.SCK, MISO=board.MISO, MOSI=board.MOSI)

# create the cs (chip select)
cs = digitalio.DigitalInOut(board.D5)

# create the mcp object
mcp = MCP.MCP3004(spi, cs)

# create a differential ADC channel between Pin 0 and Pin 1
chan = AnalogIn(mcp, MCP.P0, MCP.P1)

print("Differential ADC Value: ", chan.value)
print("Differential ADC Voltage: " + str(chan.voltage) + "V")
examples/mcp3xxx_mcp3002_differential_simpletest.py
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# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import busio
import digitalio
import board
import adafruit_mcp3xxx.mcp3002 as MCP
from adafruit_mcp3xxx.analog_in import AnalogIn

# create the spi bus
spi = busio.SPI(clock=board.SCK, MISO=board.MISO, MOSI=board.MOSI)

# create the cs (chip select)
cs = digitalio.DigitalInOut(board.D5)

# create the mcp object
mcp = MCP.MCP3002(spi, cs)

# create a differential ADC channel between Pin 0 and Pin 1
chan = AnalogIn(mcp, MCP.P0, MCP.P1)

print("Differential ADC Value: ", chan.value)
print("Differential ADC Voltage: " + str(chan.voltage) + "V")