The ESP32 that I went for is specifically the ESP32-DevKitC, which is easy to find, cheap, and compatible with most things you'll throw at it. It supports Wi-Fi and Bluetooth, with a notable aspect of ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

Over the last decade, the open-source movement has not only transformed the world of software, but also catalyzed a sweeping revolution in hardware tinkering. At the heart of this shift lies a ...

Learn how to build a WiFi-based fire and smoke alarm system using Arduino UNO R4 that sends real-time SMS notifications through the Circuit Digest API for emergencies, without requiring a GSM module.

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

If you're looking for a great new centerpiece for your home theater, shopping these Samsung TV deals will get you some savings along the way.

In this paper, we use the Arduino platform together with sensors as accelerometer, gyroscope and ultrasound, to measure vibrations in mechanical systems. The main objective is to assemble a signals ...

The 512GB Steam Deck LCD is on sale for $337 ($112 off) as part of the Steam Autumn Sale, which is the best price we’ve seen on the handheld gaming PC since September.

A novel acoustic attack named 'PIXHELL' can leak secrets from air-gapped and audio-gapped systems, and without requiring speakers, through the LCD monitors they connect to.

Discover PIXHELL, a new side-channel attack exploiting screen-generated noise to breach air-gapped computers and exfiltrate sensitive data.

Story: Introducing Good News, a weekly series about music making the world a better place “All My Friends” by LCD Soundsytem means a lot to me because I remember, during COVID lockdown, watching a ...