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MCP342x
2021-10-17
Arduino library to support Microchip ADC342x analogue to digital converters
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MCP342x ADC library
Arduino library to support Microchip MCP342x analogue to digital converters. The devices utilise the I2C bus. For the low level I2C protocol this library depends on the Arduino Wire library.
Supported devices
- MCP3422: 2 channel, 12, 14, 16, or 18 bit
- MCP3423: 2 channel, 12, 14, 16, or 18 bit
- MCP3424: 4 channel, 12, 14, 16, or 18 bit
- MCP3426: 2 channel, 12, 14, or 16 bit
- MCP3427: 2 channel, 12, 14, or 16 bit
- MCP3428: 4 channel, 12, 14, or 16 bit
The MCP3422 and MCP3426 use I2C address 0x68, all other devices can be configured to use any address in the range 0x68 - 0x6F (inclusive).
License
Released under the GNU Lesser General Public License, version 2.1. See license.txt for details.
Examples
ListDevices
List all devices which respond to a request for one byte. Useful to debug the I2C bus.
ConvertAndRead
Demonstrate the use of the convertAndRead() function.
ConvertAndReadNoDelay
Demonstrate the use of the convert() and read() functions to
implement non-blocking analogue to digital conversion. Example makes
use of the built-in LED to demonstrate how a slow 18-bit conversion
need not interfere with other actions.
GeneralCallConversion
Demonstrate the general call conversion command which can be used to instruct several analogue to digital converters to begin conversion simultanteously.
Contributors
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Reviews
4
(1)
user_ihiNpbgt
2025-04-17
I am thoroughly impressed with the MCP342x by stevemarple. This precision ADC module is incredibly easy to use and offers excellent performance for any project requiring high-resolution analog-to-digital conversion. The documentation on GitHub is comprehensive and the community support is fantastic. Highly recommend checking it out!