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Arm Length : 21cm
Liquid Pump 3/4 inch connection will accept a 19mm hose
In the example below
It basically allows shifting levels between a TTL signal (0 - 5 V) and a RS232 signal (15 V - -15 V)
2 microcontroller pins needed for communication (RXD/TXD)
Digital Temperature Sensor DS18B20 7408 Arm Length : 21cmIntroduction : Digital Temperature Sensor DS18B20 is a one wire digital temperature sensor. This means that it just requires one data line (and GND) to communicate with the Arduino. Each DS18B20 temperature sensor has a unique 64 bit serial code. It can measure a wide range of temperature from 55C to +125 with a decent accuracy of 5C. Each sensor has a unique address and requires only one pin of the MCU to transfer data so it a very good choice for