Obstacle Detection System Using Arduino and Ultrasonic Sensor || techtalksgroup ||

Things used in the project: 1. Test Board 2. Ultrasonic sensor 3. Arduino cable 4. +5V buzzer 5. Male to male pins 6. Arduino uno board Connect the Components as shown in the circuit: Connect the Buzzer positive terminal to the Arduino pin 2 and the negative terminal to the Gnd. Connect the VCC pin of ultrasonic to +5v pin and the Gnd to the ground. Connect trig pin to pin 10 and echo pin to pin 9. Upload the code in the...

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What are Ultrasonic Sensors ? How do they work ? || techtalksgroup ||

When you need input from the real world to your robot or data collection system, there are several options to choose from: • Light detection (infrared sensors, light-dependent resistors, and computer vision setups) • Sensors based on magnetic fields • Ultrasonic sensors How do Ultrasonic Sensors Work? Ultrasonic sensors work by emitting sound waves at a frequency too high for humans to hear. They then wait for the sound to be reflected...

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What are the 5 ways you can use #hastags effectively of your Facebook Page . || techtalksgroup ||

Do you include Facebook hashtags in your Facebook Page posts? With 1.15 billion users, Facebook is an attractive place for businesses to market to customers. Today I’m going to cover Facebook hashtag usage and how your brand can benefit from using Facebook hashtags. The role of Facebook hashtags in marketing While Facebook hashtags don’t seem as popular as on Twitter or Instagram, they can still help your brand. With 1.15 billion users, Facebook...

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Have you ever noticed, Why does your Flash Plugins get crashed time to time..?? || techtalksgroup ||

The Flash plugin is a small program that works within your browser, allowing you to view and interact with animated files created in Flash format. The reasons for a crash can vary from browser to browser. Here, we'll look at the most likely causes of Flash plugin crashes in Chrome, Firefox and Internet Explorer. Google Chrome has its own internal Flash installation, unlike Firefox and Internet Explorer, which rely on your computer system's Flash...

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Problems that may come while implementing IOT || techtalksgroup ||

In the coming century, the biggest threat to us will not be the wars between the countries or states. The biggest threat or the war that we should be concerned about is the cyber war. It is a direct threat to our privacy, our private conversations, moments, pictures-everything that sums up our life. Technology has always been a double-edged sword. With all the benefits and advantages, follows unknown and unprecedented threats. For us to...

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Alibaba's Voice Asistant is smarter than Google's Voice Asistant. Check it out !! || techtalksgroup ||

In May, Google made quite the splash when it unveiled Duplex, its eerily humanlike voice assistant capable of making restaurant reservations and salon appointments. It seemed to mark a new milestone in speech generation and natural-language understanding, and it pulled back the curtain on what the future of human-AI interaction might look like.                 But while Google slowly rolls out the feature...

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Face Detection V/S Facial Recognition. Check it out !! || techtalksgroup ||

What is Face Detection? The definition of face detection refers to computer technology that is able to identify the presence of people’s faces within digital images. In order to work, face detection applications use machine learning and formulas known as algorithms to detecting human faces within larger images. These larger images might contain numerous objects that aren’t faces such as landscapes, buildings and other parts of humans (e.g....

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