Programmable High Accuracy Power Meter: This VA Meter is a programmable, high-precision power measurement module designed for developers, engineers, and makers who need accurate voltage and current monitoring. It integrates advanced sensing circuits to provide stable and reliable readings suitable for laboratory testing, product development. Voltage and Current Measurement: Supports precise measurement of both voltage and current for DC power systems, enabling accurate VA (voltage-ampere) calculations and power analysis. Suitable for monitoring power consumption, efficiency testing, and fault diagnosis in electronic devices, power modules, and IoT equipment. High Stability & Reliability: The meter adopts high-quality components and optimized circuit design to ensure high accuracy, low drift, and good linearity across the supported range. It is designed for stable long-term operation in demanding application scenarios such as industrial control, smart energy, and continuous data logging. Easy Integration & Development: With multiple interface options and rich software support, the VA Meter can be quickly integrated into your existing systems. It is suitable for use with main controllers and other microcontroller platforms, offering convenient firmware development, calibration, and customization through open development tools. Ideal for Power Monitoring Applications: Perfect for DC power analysis, bench testing, R&D labs, educational projects, and field measurement tasks. Whether you are optimizing power usage, building smart devices, or teaching power electronics, this programmable based meter delivers accurate and repeatable measurement results. VA Meter is a professional programmable high-precision power meter designed for accurate voltage and current measurement. This product is based on the main control module, supporting WiFi functio