Digital line/rope length sensor - Sensors - Arduino Forum
Measure the length of a network cable - Project Guidance - Arduino Forum
DS Robotics Uno R3 ATmega328P with USB Cable length 1 feet, Compatible with ATMEGA16U2 Arduino (Color may vary) with 0826U40KLRA Q L293D Motor Driver/Stepper/Servo Shield for Arduino Combo : Amazon.in: Industrial &
Arduino: Serial.Write(buf,Len) how to read Serial sended array of byte - YouTube