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GPIO: GPIO logic level selection
Ethernet to serial converters USR-TCP232-306 support both interfaces RS232 and RS485
non-volatile memory busy status and so on
It has 20 Inputs and Outputs
SenseCAP CO2, Temperature & Humidity Sensor Modbus RS485 & SDI-12 Data Logger GPIO: GPIO logic level selectionSenseCAP CO2, Temperature & Humidity Sensor Modbus RS485 & SDI 12 The CO2, temperature, and humidity sensor supports Modbus RTU ASCII RS485 and SDI 12 communication protocols, built in calibration functionality, and is compact in size, making it widely applicable in greenhouses, cities, poultry farms, transportation stations, and other application scenarios where CO2 level is needed. Features 3 in 1 sensor: Measure Carbon dioxide(CO2), air
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