There are countless ways to use the HC-SR04 sensor in creative projects, one of the most impactful applications is helping visually impaired users by ...

I think it really depends on the type of projects you're working on. If you're mainly doing simple LED displays, motor control, or basic IoT projects,...

I would say try both. Then measure the output power vs input power and the overall heat dissipation in both cases. You will have your answer :)

@logiclab Thanks for the suggestion. I have heard a lot about this book in other forums as well. I will definitely check it out.