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1. Current sensor chip: ACS712ELC-05B.
2. When the current is 0, the output is the current medium voltage, isolated.
3. Pin 5V power supply, integrated power indicator.
4. The module can measure positive and negative 5A current, corresponding to the analog output 185mV/A.
5. If no detection current is exceeded, the output voltage is VCC/2.
6. The current to be detected is connected to the terminal in series.
7. PCB Size: 31mm x 13mm
8. Weight: 10.5g/pcs
Note:
ACS712 is based on the principle of Hall detection. Please try to avoid the influence of magnetic field when using.
Package include:
3 x 5A ACS712 current sensor board current sensor module
Jeff B
2025-09-05 13:21:43
I love the idea of being able to measure DC current without an explicit series resistor, but these sensors ARE finicky in the presence of external magnetic fields. You'll want to be careful to keep high-current conductors away from the sensor, and you may find some position/orientation sensitivity to Earth's magnetic field.If you want to monitor DC current with minimal resistive loss, these are definitely worth a try.
Mike W.
2025-08-03 09:18:45
This sensor chip is well made, the circuit printout is legible and clear and it's straight forward to wire up. Overall, no complaints other than it is quite sensitive to electromagnetic fields so you do need to be careful if there are any magnets within the device you're working with as to prevent this.
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