Description The Grove AC Voltage Sensor (MCP6002) is a Grove-compatible analog sensor for measuring RMS AC voltage in DIY energy meters, smart-home monitoring, and IoT energy projects. Its adjustable gain supports 120V to 240V AC inputs, while the MCP6002 op-amp converts the sensing circuit into an analog output that can be sampled by a compatible development board. Because the output is analog, developers can choose the sampling frequency and ADC resolution that fit their project. The sensor is useful for visualizing appliance voltage status, detecting load changes when high-power equipment turns on, and building compact AC voltage metering prototypes with simple Grove wiring. Features Adjustable AC input range: Designed for different AC voltage inputs from 120V to 240V AC. Analog output: Works with compatible development boards that can sample analog signals. Flexible measurement setup: Lets the user choose sampling frequency and ADC resolution according to the project. Load-change monitoring: Can measure voltage variations generated when high-power loads are turned on. MCP6002 op-amp core: Uses an MCP6002-based circuit for analog voltage sensing. Grove connection: Plug-and-play wiring for Grove-compatible prototypes. Applications AC voltage meters Smart energy monitoring Home automation IoT energy projects Load identification and appliance status visualization Machine-learning energy monitoring prototypes Specifications Parameter Details Input Voltage 5V to 3.3V DC AC Voltage Range 120V to 240V AC Output Type Analog Core IC MCP6002 op-amp Interface Grove analog interface Part List 1 x Grove AC Voltage Sensor Resources Grove AC Voltage Sensor Library FAQ What does this sensor measure? It is designed to measure RMS AC voltage and output an analog signal for a compatible microcontroller or development board. What AC voltage input range does it support? The official product information lists an adjustable gain for 120V to 240V AC inputs. Can it be used for smart energy projects? Yes. It is intended for DIY energy meters, smart energy monitoring, home automation, IoT projects, and load-change detection prototypes.
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