AC/DC Current Sensor Module ACS712 (20A)

Features:
1.Adopting high quality electronic components, durable in use.
2.Plug-in 5V power supply, board power indicator light.
3.The module can measure the positive and negative 20-ampere current,the corresponding analog output 100mV/ A.
4.When no detection current is passed, the output voltage is VCC/2.
5.Easy and convenient to use, superior performance.