GitHub

A 4-Bit Binary Counter Using 74HC595 Shift Register with Arduino UNO R3

For this project you will need 1 Arduino UNO R3, 1 8-Bit Shift Register, 4 Red LEDS and 4 220 Ω Resistors.
GitHub

cambay/binary_counter_arduino

This project is a 4-bit binary counter implemented using an Arduino. It uses LEDs to display the binary representation of numbers from 0 to 15. A push button increments the count, a reset button ...
EDN

Dual 4-bit Binary Ripple Counter

The 74LV393 is a low-voltage Si-gate CMOS device and is pin and function compatible with 74HC/HCT393. The 74LV393 is a dual 4-bit binary ripple counter with separate clocks (1CP, 2CP) and master reset ...
EDN

Arduino 8 bit Binary LED Counter

I made this Arduino 8 bit binary led counter as a solution for one member from Arduino forum. He asked if somebody can make a project that displays a decimal number in 8 bit binary format using 8 leds ...