Open ostasevych opened 2 months ago
I don't understand what you are trying to do. Can you attach a sketch of the circuit you propose?
On Sun, 30 Jun 2024, 11:04 pm Oleksa, @.***> wrote:
Hi! I am looking for the way to detect power outage in the circuit. Can I use this software code with the usb relay like https://www.aliexpress.com/item/1005006781536777.html for this goal? I mean, I will connect plug to the relay, plug it to the mains line. When there's no power it will send me the alert about that?
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Quite simple. I would like to detect if there's power in the 220 V circuit, and to send alerts when it appears and disappears.
Ok, then this won't help you. It does not detect voltage at all. A 220v relay with the supply connected to the relay coil, with an esp8266 running tasmota monitoring a relay contact might be closer to what you're looking for.
On Tue, 2 Jul 2024, 12:23 am Oleksa, @.***> wrote:
Quite simple. I would like to detect if there's power in the 220 V circuit, and to send alerts when it appears and disappears.
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Ok, then this won't help you. It does not detect voltage at all. A 220v relay with the supply connected to the relay coil, with an esp8266 running tasmota monitoring a relay contact might be closer to what you're looking for.
On Tue, 2 Jul 2024, 12:23 am Oleksa, @.***> wrote:
Quite simple. I would like to detect if there's power in the 220 V circuit, and to send alerts when it appears and disappears.
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Oh, thanks for the quick reply. May I ask you to send examples of devices/pcb which have this feature? What I need is just detect presence or absence of the power.
Hi! I am looking for the way to detect power outage in the circuit. Can I use this software code with the usb relay like https://www.aliexpress.com/item/1005006781536777.html for this goal? I mean, I will connect plug to the relay, plug it to the mains line. When there's no power it will send me the alert about that?