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Measurements of the current flowing through a circuit

3 votes
2 answers
1k views

Hall current sensor noise

For my project, I need to measure AC current for a 220V load (a more detialed description of the initial approach and problems can be found here. I'm using an ACS724 for +/-5A; the next step will be t …
stefanu's user avatar
  • 191
3 votes
Accepted

Hall current sensor noise

I'm writing this as an answer because I want to add images, but the solution was provided by Lorenzo Marcantonio in a comment : The ACS has a declared noise of 20mA (about 16mV) with 4.7nF of filter …
stefanu's user avatar
  • 191
1 vote
1 answer
636 views

Advice regarding AC current measurement using a microcontroller

The goal is to design a simple and compact (as simple and compact as possible) module to perform AC current measurement (for one or two 220V loads) using a microcontroller. One of the issues is that I …
stefanu's user avatar
  • 191