ESP32

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What is your current ESP32 side-project? (lemmy.ml)

submitted 1 month ago by [email protected] to c/[email protected]

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It's a bit sad how deserted this community is, would love to connect more with other makers.

Let's rattle the cage a bit, who of you is here, and what are you working on?

I'll start: A wireless cryptographic keystore & signer. Keys are generated with the hardware RNG and stored AES-encrypted with the user's password, and you can request signatures via BLE.

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[–] Windex007 4 points 1 month ago* (last edited 1 month ago) (1 children)

I plopped one onto a relay for a pump on my rain barrel to water my garden from rainwater

Next year gonna get it reading the water level in the barrel

[–] lemming741 2 points 1 month ago (1 children)

I have a Shelly plug on my rain barrel. It monitors the current to the pump and stops it when the barrel is empty.

[–] Windex007 2 points 1 month ago (1 children)

I've heard nothing but good things about Shelly plugs! Are you in North America? Whenever I look at them they seem kinda Euro-centric and I don't look as hard as maybe I should...

My whole outdoor tech ecosystem runs on 12V, I have a little solar array that keeps an old car battery topped up. It's a 12 V pump and the solar controller has a 5V USB output that I run the esp off of.

Can you run a Shelly off 5/12 V? Super curious about those devices

[–] lemming741 2 points 1 month ago

They have some older DC stuff but most of their offerings in the US are 120vac. Their price to performance is great