Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Technology | Hall-Effect |
| Current Range Options | 5A, 20A, 30A |
| Supply Voltage | 5V DC |
| Output Sensitivity | 185mV/A (5A), 100mV/A (20A), 66mV/A (30A) |
| Operating Temperature | -40°C to 85°C |
| Bandwidth | 80kHz |
| Response Time | 5μs |
| PCB Dimensions | 31mm x 13mm x 14mm |
| Output Type | Analog Voltage |
| Microcontroller Compatibility | Arduino, Raspberry Pi, ESP32 |
Anonymous
Mar 15, 2026
Rating: 4/5
Good value but needs calibration
Solid build quality. I had to calibrate the zero point slightly but overall accurate enough for my monitoring setup.
Anonymous
Mar 05, 2026
Rating: 5/5
Reliable current monitoring
Been running this for months monitoring a 12V pump. No overheating issues and stable readings.
Anonymous
Mar 05, 2026
Rating: 5/5
Great for learning electronics
Used this for my university project. Documentation online is plentiful and this module matched the specs.
Anonymous
Mar 04, 2026
Rating: 5/5
Fast shipping and well packed
Module arrived safely in anti-static bag. Pin headers were straight and soldering was clean.
Anonymous
Mar 03, 2026
Rating: 5/5
Perfect for Arduino Projects
Works exactly as expected. Clean signal output and easy to interface with analog pins.
Q: Can this measure AC current?
A: Yes, this Hall-effect sensor can measure both AC and DC current.
Q: Can I measure 40A with the 30A version?
A: No, please select the appropriate range. Exceeding range may damage the sensor.
Q: Is the output 3.3V compatible?
A: The module runs on 5V, but the analog output can be read by 3.3V logic with a voltage divider.
Q: What is the isolation voltage?
A: The conductive path is isolated from the sensor pins, suitable for low voltage applications.
Q: Do you provide code libraries?
A: We recommend standard Arduino ACS712 libraries available in the library manager.
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