CJMCU-219 is a module with the I2C interface of zero float and bi-directional current/energy monitoring and control integrated circuit (IC). INA219 has the industry’s highest precision and the small size, not best can monitor the strain drop at the shunt resistor, sensing shunt strength deliver voltage, on the equal time also can calculate the strength.
This breakout board will clear up all of your power-monitoring troubles. Instead of suffering with multimeters, you could simply use the reachable INA219B chip on this breakout to each measures each the excessive aspect voltage and DC modern-day draw over I2C with 1% precision.
The device adopts the SOT23 packaging, but for the server, notebook laptop, energy supply, battery control and digital electric powered car and telecommunication gadget measuring flu provide a small low-cost solution.
A precision amplifier measures the voltage throughout the zero.1, 1% sense resistor. Since the amplifier maximum input difference is ±320mV this indicates it is able to degree up to ±3.2 Amps. With the internal 12 bit ADC, the resolution at ±3.2A variety is zero.8mA. With the internal advantage set at the minimum of div8, the max current is ±400mA and the decision is zero.1mA. Advanced hackers can remove the zero.1-ohm present day sense resistor and replace it with their personal to exchange the variety (say a zero.01 ohm to degree up 32 Amps with a resolution of 8mA)
INA219-40 c to + 85 c temperature range and may realise the most mistakes of 1% accuracy, a most offset of 100 μV. The gain of the excessive precision of the product in aggregate with 12 decision, can help clients as much as possible, reduce the strain drop on the shunt resistor, that may reduce the strength loss and energy consumption, and saving board space. The tool epic of 26 bus voltage range of 0 V to + V.
| SPECIFICATIONS |
|
| Operating Voltage Range |
3 – 5.5 V |
| Accuracy |
±0.5% |
| Operating Temperature Range |
40 ~ +85℃ |
|
|
OVERVIEW:
-0.1 ohm 1% 2W current sense resistor
-Up to +26V target voltage
-Up to ±3.2A current measurement, with ±0.8mA resolution
-Senses Bus Voltages from 0 to 26 V
-2C- or SMBus-compatible interface. The
-Reports Current, Voltage, and Power.
PACKAGE INCLUDES:
1 PCS x Cjmcu 219 Ina219 No Drift Bi Directional Current Power Supply Monitoring Module I2C Interface
https://www.ti.com/product/INA219
//SOURCE CODE TAKEN FROM BELOW LINK
//https://makecademy.com/power-monitoring-arduino-ina219
#include
#include
Adafruit_INA219 ina219;
void setup()
{
uint32_t currentFrequency;
Serial.begin(9600);
Serial.println("Communication test with with INA219 ...");
ina219.begin();
}
void loop()
{
float shuntvoltage = 0;
shuntvoltage = ina219.getShuntVoltage_mV();
Serial.print("Shunt Voltage: "); Serial.print(shuntvoltage); Serial.println(" mV");
Serial.println("");
delay(100);
}
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