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2015-04-07

Arduino Library for MCP3421, MCP3422, MCP3423, MCP3424, MCP3425, MCP3426, MCP3427, MCP3428 ADCs

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MCP342X Analog-to-Digital Converter Library

This is an Arduino library for interfacing to Microchip's MCP342X series of ADCs. The following devices are supported.

MCP3421	18-bit, 1-channel
MCP3422	18-bit, 2-channel
MCP3423	18-bit, 2-channel, multi-address
MCP3424	18-bit, 4-channel, multi-address
MCP3425	16-bit, 1-channel
MCP3426	16-bit, 2-channel
MCP3427	16-bit, 2-channel, multi-address
MCP3428	16-bit, 4-channel, multi-address

The ADCs communicate over the I2C bus. This library uses the Arduino Wire.h library for that communication.

This code is (c) copyright 2013, C. Schnarel. See the attached license.txt file for distribution and derivative permissions.

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    Reviews

    5 (1)
    Avatar
    user_xCxaOlQS
    2025-04-17

    The MCP342X by uChip is a versatile and reliable ADC module that has significantly improved my data acquisition projects. Its high resolution and easy-to-use interface make it perfect for both hobbyists and professionals. The comprehensive documentation and support available on GitHub are incredibly helpful. Highly recommend!