20A Range Current Sensor Module ACS712 consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field which the Hall IC converts into a proportional voltage. Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. This ACS721 current module is based on ACS712 sensor, which can accurately detect AC or DC current. The maximum AC or DC that can be detected can reach 20A, and the present current signal can be read via analog I / O port of Arduino. There is also the 30A and 5A version for your choice are available on our portal. Note: ACS712 is based on the principle of the Hall test, please use this field to avoid an impact! Connection Diagrame: Package Includes : 1 x 20A Range Current Sensor Module ACS712 Specifications and Features : Module Dimensions: 31 x 13 x 14 mm (LxWxH) Weight: 3 gm. Supply Voltage: 4.5V~5.5V DC Measure Current Range: -20A~ 20A Sensitivity: 100mV/A The current sensor chips: ACS712_ELC-20A. Pin 5V power supply, onboard power indicator. There is no the detection current through, the output voltage is VCC / 2. The module can be measure plus or minus 20 amps, corresponding to the analog output of 185 mV / A. Attachments and Links: ACS712 Datasheet: ACS712 Arduino Programme: Useful Introduction_1 from Embedded-lab. Useful Introduction_2 from Embedded-lab. The focus keyphrase is the phrase that you want your post or page to be found for in search engines. Sometimes, it is a single word, but it usually consists of a few words. That’s why we call it a keyphrase. For example, if you want your blog post to rank for ‘healthy snacks’, then optimize your post for that term. Your focus keyphrase can also be longer. For instance, you could write an aticle about healthy snacks specifically made for kids and optimize for ‘healthy snacks for kids’. Or a post about healthy snacks to eat after a workout, and optimize for ‘healthy snacks after