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This project provides an economical and precise solution for DC current sensing and display on an OLED display. This board uses the ACS715T-20A hall effect-based linear current sensor chip, 0.96 Inch I2C OLED Display and Atmega328 microcontroller chip. It is an Arduino compatible open-source hardware that can be modified to your requirements. It is easily programable using the Arduino IDE. Connector CN2 is provided for Boot-Loader burning and programming of the Atmega328 chip using Arduino IDE. Refer to the wiring diagram below for programming and connections. The board can measure current up to 20A DC. Operating power supply 5V DC and it consumes approx. 20mA current.
Current Meter Using 0.96″ OLED Display – [Link]
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