Polish up your robotics/coding skills by building this simple speed detector system using Arduino. Components: Arduino Uno Rev3 Male/Female Jumper Wires 2 IR Sensors Active Buzzer Male/Male Jumper ...
J2-6 SDI(MOSI) LCD SPI bus write data signal J2-7 SCK LCD SPI bus clock signal J2-8 LED LCD backlight control signal (high level lighting, if you do not need control, please connect 3.3V) J2-9 ...