The current measurement range can be determined by these settings and the value of the resistor we use for the shunt resistor. The measurement range of these voltages is configurable by programming the registers through the i2c channel. V_shunt, this is the voltage across the shunt resistor.V_shunt and V_bus are the two measurements acquired directly by this module. This current sensor module can also be easily interfaced with 3.3v compatible controller boards like ESP32 and Nodemcu ESP8266, etc. Due to this wide voltage input range the INA219 Current Sensor module can be powered up using the Arduino’s 5 volts. The supply voltage range is 3 to 5.5 volts so we can connect the supply to this module directly from our 5 volt or 3.3 volt systems. Specifications of the INA219 Current Sensor: Supply voltage: The INA219 Current Sensor is most commonly used: The R100 is the Current Sense Resistor and the small chip in the middle is the INA219 chip. On the board you can see A0 and A1 these are used for the I2C Address selection. SCL and SDA for the i2c communication and Vin+ and Vin- pins for measuring the voltage. In these pins the vcc and gnd pins are used for the power supply. The INA219 Current Sensor consists of six pins which are: I would appreciate your support in this way! INA219 Current Sensor Pinout: I may make a commission if you buy the components through these links. Overload Monitoring with ACS712 Current Sensor Amazon Links: Without any further delay, let’s get started!!! There are so many other things which we will discuss in a minute. The INA219 Current Sensor can measure DC voltage up to +26V. This Sensor module is provided with 0.1 ohms, a 1% shunt resistor to fulfill the requirement of current measurements. The INA219 Current Sensor can be easily used with Arduino to measure current, power, and it can also sense shunt voltage. The INA219 Current Sensor is an I2C supported interface based zero drift and bi-directional current/power monitoring module. In this article we will study about the INA219 Current Sensor, with this module we can measure current, voltage, and power of a circuit. 8.3 Demonstration of the INA219 with the Arduino:. 8 Interfacing the INA219 with the Arduino:.5 Specifications of the INA219 Current Sensor:.
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