An ESP32 client that captures audio over I2S and posts WAV to a server. A lightweight Flask/Gunicorn server that returns JSON transcriptions via speech_recognition. Designed for deterministic embedded ...

The Commodore 64 has, by modern standards, the interesting power requirement of needing both 5 VDC and 9 VAC. Traditionally, one would use an iron-core transformer to step-down the wall current — be ...

Build your own ESP32 FPV Submarine - the ESP-DIVE. A fully functional, Wi-Fi-controlled underwater vehicle with live video feed, adjustable buoyancy, and realistic movement - powered by smart design ...

Encryption, hashing, and salting are the pillars of modern data protection. This guide breaks down what they are, how they work, and when to use each, complete with real-world examples and LoginRadius ...

NO ARM DAY WORKOUT is complete without a solid biceps pump. The big arm muscles are one of the most popular points of focus for mass-obsessed gym bros, and for good reason. The biceps take up a prime ...

Arduino RFID technology works by using electromagnetic waves in the radio frequency spectrum for wireless communication and data transfer between RFID tags and readers. From supermarket anti-theft ...

More than 7 years ago, Elektor published my 500 ppm LCR Meter AU2013. Since then I have developed a new LCR Meter, sacrificing a little on extreme accuracy for the sake of extended functionality. A ...

You have seen RFID Door Lock Mechanism in some Hotels and other places, where you don’t need a key to unlock the room. You are given a card and you just need to put ...