Programming this versatile microcontroller efficiently can significantly impact the success of your projects, whether you’re working on IoT applications, automation, or educational experiments. This ...

The Arduino platform offers a variety of affordable toys used by DIY enthusiasts for simple electronics projects. It is known for being easy to learn and is built on a variant of the C++ programming ...

Many times like a multimeter, I expected to have a handy serial terminal nearby such that I will connect those two wires [Tx, Rx] of the probe and will be able to see whether the sensor is really ...

In a previous article, we looked at connecting various kinds of Arduino hardware to your Mac. Here's how to get started programming on them to create your own projects. In order to program your ...

You can establish a bidirectional communication with any device supporting RS232 protocol (native or over USB) using only a web browser, forget running local ...

Update, 1/2/21: It's New Year's weekend, and Ars staff is still enjoying some necessary downtime to prepare for a new year (and a slew of CES emails, we're sure). While that happens, we're resurfacing ...

This is an automatic liquid vending machine based on radio-frequency identification (RFID) system. A fixed amount of liquid can be dispensed by swiping an RFID tag across the RFID reader. An ...

Noise pollution is a growing problem in modern cities, thanks to rapid population growth, urbanisation and new technologies. Moreover, at times, a noisy neighbour or co-worker can drive you crazy and ...

Read and Write NDEF messages on Mifare Ultralight NFC Tags with Arduino connected to MFRC522 RFID card. NFC Data Exchange Format (NDEF) is a common data format that operates across all NFC devices, ...