Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Model Number | ACS712T |
| 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 |
| Output Signal Type | Analog Voltage |
| PCB Dimensions | 31mm x 13mm |
| Connection Type | Screw Terminal Block |
| Microcontroller Compatibility | Arduino, Raspberry Pi, STM32 |
Anonymous
Mar 29, 2026
Rating: 5/5
Exactly as described
Used the 20A version for a motor driver feedback loop. No issues so far after a week of testing.
Anonymous
Mar 11, 2026
Rating: 5/5
Great for Arduino projects
Works perfectly with my energy monitor setup. Easy to wire and read values using the analog pin.
Anonymous
Feb 19, 2026
Rating: 4/5
Good value
Took some time to calibrate in code but the hardware is reliable. Instructions could be clearer.
Anonymous
Feb 02, 2026
Rating: 4/5
Accurate enough for hobby use
Good sensitivity. Note that it gets slightly warm under high load, but within expected parameters.
Anonymous
Jan 20, 2026
Rating: 5/5
Solid build quality
The screw terminals are secure. PCB looks clean with good soldering points for headers.
Q: What happens if current exceeds the range?
A: The output will saturate. Please choose a range higher than your max expected current.
Q: Can this measure AC current?
A: Yes, the ACS712 measures both AC and DC current effectively.
Q: Does it come with a library for Arduino?
A: We recommend open-source libraries available on GitHub for ACS712 integration.
Q: Is electrical isolation provided?
A: Yes, there is 1.5kV RMS isolation between the current path and the signal pins.
Q: What is the input voltage for the module?
A: The module operates on 5V DC logic power supply.
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