2019-12-12 19:39:00 +01:00

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# Hardware options
There are currently two possible hardware options for this project, both in need of external power supply. A self powered board is under development by a member of the community and is currently being tested.
## Hardware v1 by [@roarfred](https://github.com/roarfred)
Composed from a ESP12E (or F) chip, this ESP8266 based board is designed specifically for this project with an on board M-bus chip.
Building this project will require some skills in ordering and assembling electronic circuits as well as programming. No detailed instructions are available.
![The HAN Reader Hardware](v1/img/HanReaderInEnclosure.PNG)
*The completed board mounted in a [3D printed enclosure](/Enclosure)*
## Assembly of readily available modules
Use a ESP based developmentboard and a M-bus module.
[Adafruit Feather M0 WiFi w/ATWINC1500](https://www.adafruit.com/product/3010)
[TSS721 M-BUS module board](https://www.aliexpress.com/item/TSS721/32751482255.html)
![FeatherMbus](img/feather_3010-00_mbus_slave.jpg)