A Raspberry PI RF frequency counter project from Scott Harden, that is available on GitHub: Raspberry PI RF Frequency Counter with Python Interface. The RF signal clocks a 32-bit counter (SN74LV8154) connected to a 16-bit IO expander (MCP23017) accessable to the Raspberry Pi (via...

Chrome Browser version 53 came out with a new feature: Origin Trial for Bluetooth which allows websites to use this feature and enable Web Bluetooth for all their visitors. Web Bluetooth is a new technology that connects the Web with the Internet of Things, this technology will provide a...

Bardaan A published a guide on hackster.io showing full instructions for developing a Windows IoT application that receives and extracts essential GPS data from a connected serial GPS module. To follow this guide, you have to use Raspberry Pi 3 model B with Andoer NEO-6M GPS module,...

Giovanni Carrera discuss how to achieve an isolated analog output on Arduino. He writes: This project completes the series of my articles about the Arduino analog I/O with the aim to use it as a controller of small automation systems. In control systems of the industrial plants it...

Heart rate monitoring is a common procedure for most of health related projects. Therefore, producing sensors modules and circuit boards for such tasks will facilitate and push forward the development of new health-tech projects. Maxim Integrated, an analog and mixed-signal integrated...

The first step toward finding ways to reduce home electricity usage begins with installing an energy monitoring system. These days you can find an electric meter in every residence, but it is likely that you would find it installed in a location that is more convenient to access for a...

STMicroelectronics and HMicro have announced a single-chip product for disposable, clinical-grade wearable patches and biosensors, to replace wires for vital-sign monitors and electrocardiograms. The IC technology developed by HMicro and ST also targets other high-volume clinical and...

Arthur Pini @ edn.com published a guide on how to use FFT found in most modern oscilloscopes. The FFT (Fast Fourier Transform) first appeared when microprocessors entered commercial design in the 1970s. Today almost every oscilloscope from high-priced laboratory models to the...