12x12x12mm Tactile Push Button Switch DIY RGB The 74HC151 ICs have a

The 74HC151 ICs have a wide operating range of VCC from 2 V to 6 V

Communication Interface

of Pins 28 Operating Temperature -25°C to 85°C Type  Round IC Base Pitch 2

so an existing power adapter will enough to power the chip

12x12x12mm Tactile Push Button Switch DIY RGB The 74HC151 ICs have aTactile push button switch is Normally Open switch. The tactile button connects the circuit for the time it is kept pressed and as soon as it is released the circuit is disconnected. The Tactile Push button has 4 pins. Two pins are connected internally. These Tactile push buttons features a through hole design. Its high precision mechanism offers acute operation and long life. It is majorly used as standard input buttons in electronics circuits.