# \[off topic\] Need advice getting started with D1/ESP/PI type "thing" projects

**URL:** <https://discourse.nodered.org/t/off-topic-need-advice-getting-started-with-d1-esp-pi-type-thing-projects/23408>\
**Category:** Hardware\
**Created:** [21 March 2020 13:23 UTC](https://discourse.nodered.org/t/off-topic-need-advice-getting-started-with-d1-esp-pi-type-thing-projects/23408 "2020-03-21T13:23:13Z")\
**Posts on this page:** 1\
**Showing post:** 50

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**Author:** ![happytm](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/happytm/32/7058_2.png) [@happytm](https://discourse.nodered.org/u/happytm)\
**Post date:** [13 May 2020 19:52 UTC](https://discourse.nodered.org/t/off-topic-need-advice-getting-started-with-d1-esp-pi-type-thing-projects/23408/50 "2020-05-13T19:52:53Z")

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Here is to add to the items mentioned in all the post above. I found these items to be least expensive (US $5 including ESP8266) in most of the cases to make a meaningful sensor.

[https://github.com/happytm/BatteryNode](https://github.com/happytm/BatteryNode) . Please look at hardware section.

Thanks.

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