1000² Zen

Bob’s smart home project:

At some point I though about building the smallest PCB for a sensor node that I could. Hence, the ZEN was born. The PCB is small enough to fit on a holder of 2 AA batteries. I have only build a few of these. Here is one reading the soil moisture sensor on basil.

See the full post on Electro Bob project page.

from Dangerous Prototypes https://ift.tt/31rmKxm

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