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1. All Bluetooth V4.0 BLE 2. APP monitoring 3. DIY TPMS

WiFi RS-232 adapter, serial to WiFi converter

WiFi RS-232 adapter  Model: WA-232E WiFi RS232 converter, Wireless to serial converter Features:   Ultra low power for battery powered applications   On-line firmware upgrade   Support Wi-Fi Protected Setup (WPS) Button   Supports Adhoc and infrastructure networking modes   Secure Wi-Fi

RS-232 Humidity and Temperature Sensor Meter

RS-232 Humidity and Temperature Sensor (Model: SHT-DB9) Specifications:  Operation voltage : DC 3.3V~5V.  Current Consumption : 5mA(max)  Operation temperature : 0~60℃.  Operation humidity : 15~95%RH.  Accuracy :   Temperature ±1℃   Humidity ±3%RH at 25℃  RS232 interface f