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Number of Pins: 30
The DS18B20 communicates over a 1-Wire® bus that requires only one data line (and ground) for communication with microcontroller
It can be plate mounted as well as direct T-Slot mounted using a T-nut
(6) Long cycle life
RS232-TTL Converter DC Geared Motor Number of Pins: 30This module is plug and play. It does not need driver. you can change RS232 levels to TTL level easily. Module has two lights which are receive indicator and transmit indicator. They will flash when receiving or sending data. How to test RS232 module Connect the module to computer serial port Use wire to make send and receive pins shorted Connect 3. 3V or 5V power supply between VCC and GND Open serial port debugging assistant on the computer and send