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What Is Schmitt Trigger and How It Works

The Schmitt Trigger is a logic input type that provides hysteresis or two different threshold voltage levels for rising and falling edge. This is useful because it can avoid the errors when we have noisy input signals from which we want to get square wave signals.  

Is SSD Worth It on SATA2 ? | SSD vs HDD Real World Comparisons

One of the most effective way of increasing your computer speed performance is to get an SSD. Even if your computer is old, using SATA 2, the SSD does worth! Check out this Real World Comparisons video.   In this article I will right away give an answer to the question, Is SSD worth it with SATA 2 or the 3 GB/s interface used by the older computers? The answer is definitely yes and you will see that in the following Real-World benchmarks and comparisons to a HDD.  

DIY LED Heart Photo Frame – Arduino Project

In this video I will show you how you can make this awesome led heart photo frame using Arduino. At first glance it looks like an ordinary photo frame but once you click the switch on the back side it turns into extraordinary photo frame. Building this Arduino Project is very fun and it can be a perfect Valentine, Birthday or Anniversary present for your loved ones.  

Arduino and HC-05 Bluetooth Module Tutorial | Android Smartphone & Laptop Control

In this Arduino Tutorial we will learn how use the HC-05 Bluetooth module for controlling Arduino via Bluetooth communication. For this tutorial I made two example, controlling the Arduino using a smartphone and controlling the Arduino using a laptop or a PC. In order not to overload this tutorial, in my next tutorial we will learn how we can configure the HC-05 Bluetooth module and make a Bluetooth communication between two separate Arduino Boards as master and slave devices.  

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