KEYES 5A ACS712 Module range Current Sensor Module
The current sensor chips is ACS712ELC-5B, it’s used to measure current. 1. pin 5V power supply, on-board power indicator;? 2. the module can measure the positive and negative 5 amps, corresponding to the analog output of 185 mV / A;? 3. there is no the detection current through, the output voltage is VCC / 2;? Special attention: the working principle of ACS712 is based on hall effect, so when in use, try to avoid the impact of magnetic field.