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nliaudat / esp32_8ch_motor_shield

An ESP32 based 8 channels motor controller (to replace Homematic IP Floor Heating Actuator)
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[FEATURE REQUEST] Use an external power adapter? #7

Closed nstadigs closed 2 years ago

nstadigs commented 2 years ago

Describe the problem you have/What new integration you would like

If you would add support for using an external power adapter then the users would not have to deal with mains power. I do think that installing this legally in some countries would actually require a certified electrician if that's even allowed without CE mark.

Please describe your use case for this integration and alternatives you've tried:

Additional context

nstadigs commented 2 years ago

Sorry, I just realized that you fixed this in 1.4 :man_facepalming:

nliaudat commented 2 years ago

You can already use some external power adapter like that one. Everything with 3.3V and 1.25 A (~ 4 Watt) can do the job. The price is ~3x greater than HLK-5M03. You have to link it with any of the VCC-GND pin labeled on the board.

nstadigs commented 2 years ago

You're totally right. I was posting before thinking. I was thinking about an actual connector on the board. But I could just make a hole in the box for a connector like this and connect my two boards to that connector in parallel on the inside.

nliaudat commented 2 years ago

Usually, there is no power source in the valve manifolds location. You must disconnect an existing 230V valve and wire it to the board. That's the why the external power was not a solution.

You can use a 230V power socket like that power_socket

nstadigs commented 2 years ago

Interesting. I have a standard EU socket like this so I though it was common. I know other houses around here have the same solution. The Uponor controller, which most people pick around here has a standard plug for it:

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