PZEM 004T 4.0 Version Single Phase Wattmeter Kwh Meter TTL Modbus-RTU 220V 100A Electricity Volt Amp Frequency Energy Meter
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DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO expansion Board 03 06 16 Modbus RTU Module
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8 Channels DS18B20 RS485 Modbus Rtu Temperature Sensor Remote acquisition monitor Digital Thermometer Module Paperless recorder
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Peacefair PZEM-004T 4.0 Single Phase Digital AC Voltmeter Ampere Meter Power Energy Kwh Frequency Tester TTL Modbus-RTU Coil CT
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8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor
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DC 12V/24V 4-16CH DI-DO CAN Fieldbus Relay Module RS485 Modbus RTU PLC IO Expanding Board NPN/PNP Digital Input CAN Controller
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DigiTEMP Rugged Digital Temperature Sensor,SDI-12 Interface,RS485 Modbus-RTU
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New Version TTL Modbus-RTU AC Single Phase Voltage Current Watt Kwh Meter Electric Volt Amp Frequency Power Factor Tester 100A
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