The figure-1 depicts MAX7219 LED display driver pin diagram. Following are the details of various pins used in the IC. DIG 0-7 : Digit drivers for controlling each column in an 8x8 matrix or each 7-segment digit. D OUT: Serial data output, used to daisy-chain multiple MAX7219 ICs.. Pin Diagram. Pin No. - Advertisement - Function Name. 1: Ground (0V) Ground: 2: Supply voltage; 5V (4.7V - 5.3V) Vcc. 3:. Display the LED Brightness on a 16×2 LCD. The combination of an LCD and Arduino yields several projects, the most simple one being LCD to display the LED brightness.

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Pin15 (+ve pin of the LED): This pin is connected to +5V; Pin 16 (-ve pin of the LED): This pin is connected to GND. LCD-16×2-pin-diagram Features of LCD16x2. The features of this LCD mainly include the following. The operating voltage of this LCD is 4.7V-5.3V; It includes two rows where each row can produce 16-characters.. Fig 1 1602A QAPASS 16×2 LCD display Fig 2 16×2 LCD display Pin Diagram . The LCD screen is made of 2 rows of 16 character spaces each. It is also built with 16 pins (16 channels) to connect to other devices and display the desired messages.. • Pins 15,16: A, K, anode and cathode of the backlight LED, respectively.

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