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SCT-013-000 Calibration Value

Junior Ximenes last edited by

Hi friends, I have an SCT-013-000 connected to my ESP32 microcontroller and I am having problems setting the calibration value. I'm using the following scheme with 2 10K resistors and one 22 resistor with a 10uF capacitor. I've seen in some that the count of your calibration value would be 90.9090, however when using this I only gain inexact values. Can you help me please?

Pretend that microprocessor is the ESP32 and its inputs and the DC motor is the SCT.
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This should work with Domoticz, it's what I intend to use with it. I've received the boards from China and I'm currently working on a version 2 of this board. There are some errors in the design of version 1 that I need to get out. New version will be up shortly.
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@WiktorDIY The ch340 are notorious for being broken. The best I ever achieved was 19200 and flakey.. I purchased a real Nano not a ch knock off eg uses a different uart no problems
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@kalina, Thanks. So it will not work for my configuration. Wall switch (push button) is already installed. No possibilities to draw more electrical wires. Moreover, if i put the board near the light, i have just the Neutral and the return wire from the wall switch. No Live wire to power on the mysensors board. I think in my ase the best way is to manage everything in my garage in the electrical main board where all the wires are mapped. I can get L + N for mysensors power supply. And i can continue to reuse the original wall switch independently of the Mysensors board.

SCT-013-000 Calibration Value

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