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Chip: ACS712ELC-5A / ACS712ELC-20A / ACS712ELC-30A
Supply Power: 5V
Measuring range: 5A / 20A 30A.
Analog output: 200 mv/A
When there is no the detection current , the output voltage is VCC / 2
PCB board dimension:31x13mm
Package Included:
2pcs ACS712 Current Sensor Module Detector
Greg F.
Reviewed in the United States on February 26, 2025
I used these to monitor a solar setup for solar inbound current and battery charge current. Does not come with any data sheet but you can google the chip ACS712 and get the datasheet and many examples for micro controllers like Arduino. I personally implemented this on Particle. I have the 30A and 5A versions which both seem to work very well.
John
Reviewed in the United States on July 20, 2024
I couldn't get a good current reading using both of the two modules I received, but one of them in particular had already been opened and possibly used: one of the screw terminals was damaged and inoperable, like someone jammed it and returned it.I found it difficult to get started since these did not come with any instructions, but found some youtube videos that helped. Just make sure to follow the details for the module you have (mine was the 5A module). In the end, I couldn't seem to get a reading on the one sensor module that was undamaged, so I'm not sure it actually works as expected. I verified with a multimeter that current was flowing through my test load (plus it was functioning, which obviously means it was flowing).
Jhon
Reviewed in the United States on May 16, 2024
This module doesn't come with a specification sheet or any instructions, but it's a pretty common module. I searched it up and found a handful of similar ones that looks to be exactly the same...and the specs seems to match.If you're planning to use this on an Arduino or Raspberry Pi, note that it does not use the full range of ADC values like you would expect.It works, but this is not something that can be used for low-current measurements in the sub-hundreds of mA range. The stepping for each ADC fraction is too high to be useful there.
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