1.9K views · 137 reactions | PIANO TUTORIAL On How To Find The Key Of A Song, with and without touching the keyboard. | Keyboardist sande | Facebook

18K views · 1.7K reactions | How to setup to control HackRF using Android  Setup Basics: - Use a USB OTG cable to connect HackRF to your phone - Install an RF Analyzer app and RTL-SDR driver app from Google Play Store - Enable HackRF  Awareness Note: While this setup is powerful, always use SDR tools responsibly. They’re meant for learning, research, and exploring the radio spectrum—not for interfering with legitimate communications. | Mobile Hacker | Facebook

381K views · 720 reactions | Unlock the power of data-driven user experiences! Discover how serverless APIs using AWS Lambda and Amazon API Gateway are simplifying backend complexities.  Dive into the world of serverless GraphQL APIs with Venu and learn how they connect front-end apps to diverse microservices and data sources. Elevate your full-stack development game with AWS AppSync.  https://go.aws/3MnzWg8 | Amazon Web Services | Facebook