Arduino-Based Lathe Tachometer

Electronic tachometer

Want an electronic tachometer to display the RPM of a lathe or milling machine? If so, Elektor has the project for you. The electronics tachometer design features an Arduino micro board and  a 0.96″ OLED display from Adafruit for instantaneous readout. … Continue reading


EIM Bootcamp: Circuit Cellar Today & Tomorrow


Want a behind-the-scenes look at the Elektor and Circuit Cellar teams?  You can link to a short, free report on my recent visit to our company headquarters in Limbricht, Netherlands, where EIM staffers from around the globe met up for … Continue reading


IoT Innovation: Show Off Your W5500 Project (Sponsored Post)


The WIZnet Connect the Magic Challenge offers you a variety of opportunities to show off your engineering skills and present your Internet of Things (IoT) designs to the world. It’s your shot to win a share of $15,000 in prizes, … Continue reading


RN4020 Bluetooth Smart Module


Microchip Technology recently announced its first Bluetooth 4.1 Low Energy module, the RN4020, which carries both worldwide regulatory certifications and is Bluetooth Special Interest Group (SIG) certified. The integrated Bluetooth Low Energy (BTLE) stack and on-board support for the common SIG … Continue reading


WIZnet Challenge Entry Tips (Sponsored Post)

WIZnet's WIZ550io auto configurable Ethernet controller module includes a W5500, transformer, & RJ-45.

The WIZnet Connect the Magic Challenge deadline is ​August​ 3, 2014. Let’s go over the challenge and cover some tips for entering. What is the Challenge? You are challenged to design and build an innovative project that uses least one … Continue reading