Zmpt101b Proteus Library =link= -

void setup() lcd.begin(16, 2); lcd.print("AC Voltmeter"); delay(2000); lcd.clear();

Simulation and Implementation of the ZMPT101B Voltage Sensor Module in Proteus Design Suite zmpt101b proteus library

Since Proteus does not include the ZMPT101B by default, you must manually add the simulation files: void setup() lcd

. For a full guide on interfacing and installing the sensor, see this ElectroPeak guide void setup() lcd.begin(16