![]() Now we can connect 16×2 LCD to the Arduino. Fourth pin is Ground, connect it to ground.Second pin is DATA output, connect it to pin 6 of Arduino.First pin is VCC power input, connect it to 5V output of Arduino.Connect it to 5V output of Arduino.Īfter that connect DHT22 sensor to the Arduino, it is using a single wire bus for communication. Pin 16 is Vcc1, which is logic voltage input (voltage level of control signals provided by Arduino).Pin 8 is Vcc2, which is the driver/motor power input, connect it to positive of the battery.Connect pin 7 (Input 2) of L293D to the pin 3 of Arduino.Connect pin 6 (Output 2) of L293D to the remaining terminal of the DC motor. ![]()
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