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A16 and HC-SR04
#1
Hi,

I have an A16 board and I will like to add 2 x HC-SR04 devices to it.

I understand how to configure the pins in ESPHome so all is good on that side.

My question is more the electrical part - the HC-SR04 units require 5v each.

On the A16 schematics I cannot see anywhere where that outputs 5v.

I see in another thread (https://www.kincony.com/forum/showthread...ht=HC-SR04) that the  433MHz receiver data pin on PCB produces 5v - is that the middle PIN that produces 5V?
And will I be able to power 2 or more (4?) x  HC-SR04 units from it?

Thanks.
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Messages In This Thread
A16 and HC-SR04 - by MnM - Yesterday, 09:48 AM
RE: A16 and HC-SR04 - by admin - Yesterday, 11:44 AM

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