By remotely accessing an IBM quantum computer, a research scientist at Lawrence Berkeley National Laboratory has successfully ...

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 ...

This example demonstrates how to virtually connect together Serial and Serial1. This tutorial can be so loaded on boards that have two different UART interfaces on the 0 and 1 pins and the USB port ...

I was having a chat recently with someone, and it surprised me that she had an amateur radio license. I suppose it shouldn’t have come as much of a surprise; after all, getting a ham radio license is ...

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 ...

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, ...

This is a project for a voice controlled home automation system to control appliances with your voice through an Android app. An Arduino Mega board is used for controlling the relay through which an ...