Diagrama de pines

Pines de Monitor de corriente/potencia INA219 (GY-219)

Pines

VCC (3–5.5V)
GND
SCL / SDA (I2C — A0/A1 jumpers give 0x40, 0x41, 0x44 or 0x45)
VIN+ / VIN− — HIGH-SIDE shunt: put them in series with the supply lead of the load
Measures bus voltage 0–26V and ±3.2A with the onboard 0.1Ω shunt

Especificaciones

Tensión de alimentación	3–5.5 V
Interfaz	I2C
I2C address	0x40 default (0x41, 0x44, 0x45 via A0/A1)
Bus voltage range	0–26 V
Shunt voltage range	±320 mV max
Current range	±3.2 A with the 0.1 Ω shunt
Current resolution	≈0.8 mA (0.1 Ω shunt)
ADC	12 bit
Accuracy	±0.5 % max (INA219B), ±1 % (INA219A)
Supply current	1 mA typical

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