-20 to +20A ACS712 Current Sensor

It is a current sensor used to detect and control current flow in a wide range of applications such as current protection circuits, battery chargers, switching power supplies, digital watt meters, programmable current supplies, etc. It has ACS721 integrated on it. It can accurately detect AC or DC current. The maximum detectable AC or DC can reach 20A, and the current signal can be read through the Arduino's analog I/O port. In addition, this product has 5Aand 30Aoptions are also available.