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The current sensor chips: ACS712ELC-05B.
Pin 5V power supply, on-board power indicator.
The module can measure the positive and negative 5 amps, corresponding to the analog output 185mV / A.
Built in a potentiometer for sensitivity control.
Convenient and easy to install.
Package Content : 2 X 5A Current Sensor Module
Alexey T.
Reviewed in the United States on May 29, 2023
I requested replacement one of the first pair, because one was defective, took one from the second replacement pair it happened good, two - one new and one broken returned back.
jerry
Reviewed in the United States on April 27, 2021
Does perform as advertised!
Afrah
Reviewed in the United States on September 9, 2018
Good
BSPO
Reviewed in the United States on July 27, 2018
worked well right out of the box.
Walt
Reviewed in the United States on July 10, 2018
These are great little current sensors for the money, but don't expect lab grade results. I consider it better to consider the readings more relative than absolute, especially small currents. I've been unable to get either sensor to read "0". With nothing connected to the sense terminals, both appear to report 10-13 mA of current. Moving them around, even outdoors on battery power does not change anything.Since I'm using them simply to tell me whether or not current is flowing, I'm not concerned over accuracy.One device I need to verify operation by current flow requires a six foot cable and the readings on a known load are exactly the same as on a three inch wired connection.
Kurt
Reviewed in the United States on March 2, 2018
Easy to interface with Arduino. Plenty of examples out there on google.
JCSailor
Reviewed in the United States on April 5, 2018
I'm using this sensor to provide input to a Wemos D1 microprocessor (similar to Arduino) to report the charge current flowing from a solar panel and also to measure/report the current consumption by the microprocessor and it's accessories (water level sensor, mux, precision timer and a few other things. Measured down to 60ma precisely, checked with a digital multimeter. I was skeptical that these would measure ma but the did fine for my purposes. I would have been happy within 10ma, but these are within the 2-3ma range when compared to my meter.
T-Blood
Reviewed in the United States on August 20, 2017
Didn't work as expected. There was a lot of noise in the reading and I couldn't initially use it at all. This was easily corrected by placing a medium capacitance capacitor between ground and the signal "out" pin to act as a filter. There is a delay in accurate readings while he capacitor charges but the delay is negligible with some proper programming.
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