O script Python sensor_rfid.py lê os dados do sensor RFID conectado ao Arduino e envia os dados para o servidor local via HTTP POST. Os scripts PHP recebem os dados, consultam o banco de dados e ...

Learn the Arduino platform and programming language to create robots, interactive art displays, electronic toys, home automation tools, and much more. This course was created in collaboration with ...

Abstract: In a shopping mart, imagine ten people waiting in line. If the first five people have many items in their carts, the last person with only one or two items may wait a long time to pay. To ...

Ever wondered if a small, low-cost board like the ESP32-CAM can actually recognise objects or even identify Indian currency notes? In this project, the answer is a clear yes. We combine the ESP32-CAM ...

The retail landscape is constantly shifting. To stay ahead, businesses need technology that doesn’t just react to change but anticipates it. At the 2026 NRF Big Show in New York City, industry leaders ...

Abstract: Sixth-generation (6G) mobile communication networks are expected to have dense infrastructures, large antenna size, wide bandwidth, cost-effective hardware, diversified positioning methods, ...

Learn the benefits and risks of options and how to start trading options Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, ...