3PCS 30A Range Current Sensor ACS712 Module AC/DC for Arduino (30A)

Q: Does this handle square waves on the load. my application is for model railroad dcc.

The signal path of the AC712 is analog, so it will give you exactly what you put in. To read pulsed loads you would have to consider sampling frequently and averaging or possibly reducing the bandwidth of the sensing board. As of the time I write this, this sensing board has a filter capacitor located above the gap between out and ground (attached to pins 6 and 5 of the IC) I assume (but didn't verify) that the capacitor it comes with is likely the 1nF suggested by the application sheet. If sampling at near a multiple of the pulse frequency itself, or any other condition with a risk of aliasing, one could parallel another capacitor to reduce the filter's cutoff (at the expense of lengthening the response time) Note that this is not a flaw on this board, but just common risk that has to be managed when sampling periodic signals.

3.9/5

Product ID: 274592826

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Details

Brand
Atnsinc
Color
30A
Item Weight
0.35 Ounces
Input Voltage
5 Volts
Output Voltage
5 Volts

⚡30A max current

📏±30A range

🔌5V power supply

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Description

🔋 Power Your Projects with Precision!

PACK OF THREE - Get more value with a convenient 3-pack for multiple applications.
POWER INDICATOR - Stay informed with the on-board power indicator for hassle-free monitoring.
MULTIPLE OPTIONS - Choose from 5A, 20A, or 30A specifications to suit your project needs.
PRECISION MEASUREMENT - Experience accurate current readings with the ACS712's Hall effect technology.
VERSATILE COMPATIBILITY - Seamlessly integrates with Arduino and other microcontroller platforms.

The 3PCS 30A Range Current Sensor ACS712 Module is a versatile and precise current sensing solution for Arduino enthusiasts. With a measuring range of ±30 amps and a 5V power supply, this module is perfect for various applications. The package includes three sensors, allowing for multiple projects or redundancy in your designs.