Arduino energy monitor how connect CT sensor and AC Adapter ??

Submitted by Guest on Wed, 10/12/2014 - 21:19

I'm a newbie and I want to try this tutorial :

http://openenergymonitor.org/emon/buildingblocks/how-to-build-an-arduino...

So I must buy these component and connect them to Arduino Uno :
AC-AC Power Supply Adapter 9v (euro adapter)
100A max clip-on current sensor CT

But before I spend my money I want understand how can I connect these two component with Arduino.

I see for example that current sensor has a 3,5 mm jack for emonTx connection (http://shop.openenergymonitor.com/100a-max-clip-on-current-sensor-ct/), but If I want to connect it on Arduino breadboard I need to cut cable of CT sensor and split inner cables ? Same thing for the AC adapter ?

Is possible to buy these components already prepared for Arduino ?

Thank you

Re: Arduino energy monitor how connect CT sensor and AC Adapter ??

Submitted by Robert Wall on Wed, 10/12/2014 - 21:37.

The ac-ac adapter and the CT are manufactured with the plugs fitted. You can either buy suitable sockets (like those on the emonTx) to suit those plugs, then use ordinary single-core wire to connect the socket to your Arduino, or you can cut off the plugs and make the connection directly.

Re: Arduino energy monitor how connect CT sensor and AC Adapter ??

Submitted by tulkas85 (not verified) on Thu, 18/12/2014 - 15:01.

thank you.

Could someone give me information about resistor wattage for the Arduino energy monitor circuit ?

1/4 W is enough ?

Re: Arduino energy monitor how connect CT sensor and AC Adapter ??

Submitted by Robert Wall on Thu, 18/12/2014 - 15:21.

Yes, but you really need to learn how to calculate that for yourself. There are plenty of tutorials on the web to help you.

Re: Arduino energy monitor how connect CT sensor and AC Adapter ??

Submitted by tulkas85 (not verified) on Thu, 18/12/2014 - 16:46.

thank you, I'm a newbie and for now I want to follow energy monitor tutorial exactly, hoping that all works.

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