![]() ![]() 5V power supply is preferable for it.ģ) SER - It is the Serial Input Pin data is entered serially through this Pin i.e. The Shift Register IC has the following pins:-ġ) GND - This pin is connected to the Ground pin of the microcontroller or the power supply.Ģ) Vcc - This pin is connected to the Vcc of the microcontroller or Power supply as it is a 5V logic level IC. For more detailed information on this IC, you can refer to its datasheet from here. Though this IC is available in a number of varieties and models we will be discussing here the Pinout of Texas Instruments SN74HC595N IC. ![]() So in this project, we will use a 74HC595 Shift register IC with Arduino to control a Seven Segment display just by using 3 GPIO pins of the Arduino and understand how can this IC prove to be a great tool. A single 74HC595 IC can be used to provide outputs to 8 different points apart from that we can also connect a number of these ICs and use them to control a large number of devices that too by consuming just 3 GPIO pins of your microcontroller. We just need to use the 74HC595 Shift register IC. This may seem to you as a big problem but the solution to this problem is very simple. Seven Segment Displays are good to look at and are always a handy tool to display data in the form of digits but there is a drawback in them which is that when we control a Seven Segment Display in reality we are controlling 8 different LEDs and to control each of them we require different outputs but if we use a separate GPIO pin for each of the LEDs on seven segment display we might face a shortage of Pins on our microcontroller and ultimately we will be left with no place to do other important connections. Hey, what's up, Guys! Akarsh here from CETech. ![]()
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