DESCRIPTION The ZMPT101B Voltage Transformer Module is a precision AC voltage sensing module designed for measuring single-phase AC voltages. It uses the ZMPT101B miniature voltage transformer and an onboard signal conditioning circuit to provide a scaled analog output that can be read by microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi Pico. FEATURES

• Precision ZMPT101B voltage transformer.
• Suitable for single-phase AC voltage measurement.
• Adjustable gain via onboard potentiometer.
• Analog output for microcontroller ADC inputs.
• Good linearity and measurement consistency.
• Compact PCB design.
• Electrical isolation provided by the transformer.

APPLICATIONS

• AC mains voltage monitoring.
• Energy monitoring systems.
• Smart home automation.
• Industrial monitoring and control.
• Power quality analysis.
• IoT-based electrical measurement projects.