Analog Hall Effect Current Sensor ACS712 30A (from -30A to +30A AC/DC) for Arduino, ESP32 and STM32

Compact current meter module based on the specialized Allegro ACS712 chip, using the Hall effect for accurate and safe measurement of electrical network parameters. Galvanic isolation: The power current track is electrically isolated from the low-power measuring circuit (up to 2.1 kV), protecting the microcontroller from high voltages in the power circuit. Bidirectional measurement (AC/DC): Reliably registers direct current in both directions and alternating current (with the option of software calculation of the RMS value). Convenient mounting: Equipped with a screw terminal block for easy connection in break of the power circuit and a 3-pin connector for connecting to the analog input (ADC) of the microcontroller. Features Sensor chip: ACS712TELC-30A (Hall effect) Measurement range: from -30 A to +30 A (AC and DC current) Sensitivity: 66 mV/A (66 mV/A) Supply voltage (VCC): 5.0 V DC Output signal: Analog voltage (at 0 A the output equals VCC / 2 = ~2.5 V) Power conductor resistance: ~1.2 mΩ (minimal heat generation and power loss) Galvanic isolation: Up to 2.1 kV (RMS) between the power circuit and the measuring logic Bandwidth: 80 kHz Board dimensions: ~31 × 13 mm