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Measure Current, Voltage, or Magnetic Fields with Ease
The Voltage Current Sensor MAX471 Load Detection is a current or power sensor designed for power monitoring, motor feedback, magnetic detection, and control systems. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.
Key details include Test Voltage range: DC 3 - 25V (for work on 5V) or DC3 - 16.5V (for work on 3.3V); PCB Size: 22*21*7mm / 0.86*0.82*0.27".
Why you’ll love it
- Power range: DC 3 - 25V (for work on 5V) or DC3 - 16.5V (for work on 3.3V)
- Sensing range: DC 0 - 3A
- Compact size: 22*21*7mm / 0.86*0.82*0.27"
- Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
- Common controller support: Works well with Arduino, ESP32, Raspberry Pi, and similar boards
- Project-ready sensing: power monitoring, motor feedback, magnetic detection, and control systems
Compare with similar products
| Product | Sensor style | Standout |
|---|---|---|
| Voltage Current Sensor MAX471 Load Detection | current or power sensor | Current item |
| Current 20A Analog Sensor Gravity | electric current electric potential magnetic sensor module with analog output | analog output, hall-effect detection |
| DC Current Sensor INA219 High Side Breakout 26V 3.2A Max | current or power sensor with I2C | I2C interface, motion sensing |
| Current Sensor AC/DC 50A | current or power sensor with analog output | analog output, hall-effect detection |
What you can build
This sensor is a good fit for current meters, motor drivers, magnetic door sensing, power dashboards, and fault alerts.
Starter bundles
Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard or jumper wires for quick setup and testing.
Recommended add-ons
Useful add-ons include breadboards, jumper wires, displays, enclosures, and logging modules, depending on how you plan to power, mount, and log the sensor.
Technical specifications
| Product | Voltage Current Sensor MAX471 Load Detection |
|---|---|
| Test Voltage range | DC 3 - 25V (for work on 5V) or DC3 - 16.5V (for work on 3.3V) |
| Test Current range | DC 0 - 3A |
| PCB Size | 22*21*7mm / 0.86*0.82*0.27" |
| Category | electric current electric potential magnetic sensors |
Wiring & usage notes
Check the pin labels on the Voltage Current Sensor MAX471 Load Detection and match them to your controller voltage, ground, and signal pins. Keep wiring short and verify the logic level before powering the module.
What’s in the box
1 × Voltage Current Sensor MAX471 Load Detection
Frequently Asked Questions
What does the Voltage Current Sensor MAX471 Load Detection measure?
It is designed to measure current or power use.
Can I use it with Arduino, ESP32, or Raspberry Pi?
Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
Does it need calibration?
Yes. Chemical and gas sensors usually need warm-up time, calibration, and periodic checking if you want stable readings.
Is it good for prototyping?
Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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