MCP3424 Binding
Documentation of the MCP3424 binding Bundle
This binding provides native access for MCP3424 18-bit delta sigma ADC on I2C bus. Please consider datasheet for IC for future information. Binding should work with MCP3422 and MCP3423 also, but was not tested due to lack of hardware.
This binding will be available from 1.9.0 onwards or is available from corresponding snapshot. Attention: This binding is not available in download packages earlier than 1.9.0. Anyhow it works nicely with OpenHab 1.8.3. Simply copy jar file found on Openhab cloudbees server into addons subdirectory and restart Openhab service.
Since MCP3424 is ADC converter on I2C bus, only two types of items are supported:
Number for raw conversion output and Dimmer for conversion output in percent.
Percent value is calculated dependent on set resolution. Find the example below.
No special configuration within openhab.cfg is needed.
Number Test1 "Test 1" (Tests) { mcp3424="{address:6C, pin:'CH0', gain:1, resolution:12}" }
returns the raw conversion result on channel 0 (CH1 on datasheet) of the IC on address 0x6C
Dimmer Test2 "Test 2" (Tests) { mcp3424="{address:6C, pin:'CH1', gain:1, resolution:12}" }
returns the conversion result in percent on channel 1 (CH2 on datasheet) of the IC on address 0x6C
ℹ Please find all documentation for openHAB 2 under http://docs.openhab.org.
The wiki pages here contain (outdated) documentation for the older openHAB 1.x version. Please be aware that a lot of core details changed with openHAB 2.0 and this wiki as well as all tutorials found for openHAB 1.x might be misleading. Check http://docs.openhab.org for more details and consult the community forum for all remaining questions.
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