# AVR-DB: emonTx V4, new hardware in progress

**URL:** <https://community.openenergymonitor.org/t/avr-db-emontx-v4-new-hardware-in-progress/20209>\
**Category:** Hardware\
**Created:** [8 April 2022 11:43 UTC](https://community.openenergymonitor.org/t/avr-db-emontx-v4-new-hardware-in-progress/20209 "2022-04-08T11:43:07Z")\
**Posts on this page:** 1\
**Showing post:** 306

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**Author:** ![Robert.Wall](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/robert.wall/32/38246_2.png) [@Robert.Wall](https://community.openenergymonitor.org/u/Robert.Wall)\
**Post date:** [25 December 2023 16:07 UTC](https://community.openenergymonitor.org/t/avr-db-emontx-v4-new-hardware-in-progress/20209/306 "2023-12-25T16:07:00Z")

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I suggest you download the emonLibDB library zip package from this forum [EmonLibDB - Version 1.0.2](https://community.openenergymonitor.org/t/emonlibdb-version-1-0-2/23535) and therein you’ll find working **demonstration** sketches for up to 3 current and 3 voltage channels (i.e. single phase, split phase or three phase but no temperatures), which are briefly described in the accompanying documentation.

You’ll need to add “trimmings” as necessary - i.e. I’m waiting for Trystan to specify what he wants by way of on-line calibration, then I can produce a “fully engineered” sketch which will fulfil your requirement of “programmable from the EmonPi”.

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_[View the full topic](https://community.openenergymonitor.org/t/avr-db-emontx-v4-new-hardware-in-progress/20209)._