3.3V to 5V (includes an onboard low dropout regulator).
To simulate the GY-521, you need to add specific library files (typically .LIB , .IDX , and sometimes .HEX for the internal logic) to your Proteus installation. New Proteus Libraries for Engineering Students isis proteus model library gy 521 mpu6050l upd exclusive
Features a built-in 16-bit Analog-to-Digital Converter (ADC) for each channel to ensure high accuracy. isis proteus model library gy 521 mpu6050l upd exclusive