Shopping.co.uk

Whadda Current sensor ACS712 module - 20 A

Whadda Current sensor ACS712 module - 20 A

This current sensor module guarantees precise measurement for commercial systems. Specially design...

Best current price£8.78from Rapid Online - Rapid Electronics Ltd.

Best offers

Shopping.co.uk recommended and popular offers

Lowest priceMost popular
Rapid Online - Rapid Electronics Ltd.£8.78Visit shop

Whadda WPSE323 Current sensor ACS712 module - 20 A.

Visit shop

All Offers

2 offers from £8.78 - £11.78

View price history by clicking the chart icon.

Rapid Online - Rapid Electronics Ltd.Whadda WPSE323 Current sensor ACS712 module - 20 A.
Free delivery in 1–3 days
£8.78
Visit shop
eBayWhadda Current sensor ACS712 module - 20 A.
£3.50 delivery
£11.78
Visit shop

Product Information

Full details

The Whadda Current Sensor ACS712 module is designed for hobbyists and professionals needing precise AC/DC current measurements in commercial and industrial systems. Its key benefit is providing accurate, cost-effective current sensing for applications like motor control and overcurrent protection. A caveat is its fixed measurement range, which may not suit all current levels. This module offers reliable current sensing up to 20A, featuring a simple design for easy integration and a clear output voltage proportional to the current.

All features

Model Part NumberWPSE323
BrandWhadda

Extended Product Information

FAQs

What is the maximum current this sensor can measure?

The module is designed to measure currents in the range of -20A to +20A.

What voltage is required to power the module?

The module requires a 5V DC power supply.

Can this sensor measure both AC and DC current?

Yes, the ACS712 chip is capable of accurately measuring both alternating current (AC) and direct current (DC).

How is the current measurement represented?

The sensor outputs a voltage signal that is proportional to the current. The scale factor is 100mV per Amp, with a VCC/2 output at no load.

Is this module suitable for beginners in electronics?

Yes, it is a great component for STEM projects and educational purposes, allowing users to learn about current sensing and integration with microcontrollers.

What happens if I try to measure current outside the -20A to +20A range?

Measuring currents significantly outside this range can lead to inaccurate readings or potentially damage the sensor.

Where is this product made?

Whadda is a brand from Belgium's Velleman Group, indicating European design and quality standards.

Troubleshooting

No output voltage reading

Verify the 5V DC power supply is correctly connected and providing voltage. Check that the circuit to be measured is properly routed through the module's current terminals.

Inaccurate readings

Ensure the supply voltage is stable at 5V DC. Recalibrate the sensor if necessary based on known current values. Check for any potential electromagnetic interference.

Module gets hot

This can indicate excessive current draw beyond the sensor's optimal operating range or a short circuit. Immediately disconnect power and re-check your setup and the current being measured.

Output voltage is not proportional to current

Confirm the scale factor (100mV per A) is correctly applied in your measurement interpretation. Ensure the ACS712 chip is not damaged.

Pros and Cons

Pros

  • High accuracy for both AC and DC current.
  • Versatile in its application across various projects.
  • Cost-effective solution due to the integrated ACS712 chip.
  • Simple to integrate into electronic circuits and systems.
  • Supports a wide current measurement range (-20A to +20A).

Cons

  • Fixed measurement range may not suit applications requiring higher or lower amperage.
  • Requires a 5V DC supply voltage.
  • Output signal requires interpretation (voltage to current conversion).
  • May require calibration for highly sensitive applications.

Setup, Compatibility & Care

Setup:

  1. Connect the module to a 5V DC power supply. Ensure correct polarity.
  2. Connect the output pin to an analog input on your microcontroller or measurement device.
  3. For current measurement, the circuit to be monitored must pass through the designated terminals on the module.

Compatibility:

  • Requires a 5V DC power supply.
  • Compatible with microcontrollers (Arduino, Raspberry Pi, etc.) featuring analog-to-digital converters (ADCs).
  • Suitable for measuring both AC and DC currents within the -20A to +20A range.

Care:

  • Avoid exposing the module to moisture or extreme temperatures.
  • Ensure connections are secure to prevent intermittent readings.
  • Do not exceed the specified current measurement range to prevent damage.

Price History

DatePrice
Visit shop