Features: LED indicating power operation on the principle of a Hall sensor universal for Arduino, AVR, PIC etc. projects Technical Data: Type: current measuring module Measurement method: Hall effect Chipset: ACS712T Output sensitivity: 100m V / A Supply voltage: 5V System response time: 5us Current measurement: constant / alternating Dimensions: 32 x 16 x 14mm (with ARC terminal block connector) LED indicating power Pin 5V power supply, on-board power indicator When the current is not detected, the output voltage is VCC / 2 https://elecena.pl/product/22604887/acs712-current-measurement-hall-sensor-module-arduino-20a 2023-02-22 https://elecena.pl/product/22604887/acs712-current-measurement-hall-sensor-module-arduino-20a 2023-05-26 https://elecena.pl/product/22604887/acs712-current-measurement-hall-sensor-module-arduino-20a 2025-10-25 https://elecena.pl/product/22604887/acs712-current-measurement-hall-sensor-module-arduino-20a 2025-10-29