At the heart of the project is, of course, an Arduino. An HC-05 provides a Bluetooth connection back to the PC. We thought perhaps an Arduino with USB input capability like the Leonardo might be ...

Analog gauges gave way to all manner of fancy electroluminescent and LED gauges in the ’80s, but the trend didn’t last long. It’s only in the last decade or so that LCD digital gauges have ...

Through this project tutorial, you can build a fire and smoke alarm system using Arduino UNO R4 that sends real-time SMS notifications. This means you will immediately get alerted even if you are far ...

With the power of the Arduino UNO R4 WiFi, you can create a dynamic weather dashboard web page that displays all your environmental data in real-time without relying on third-party cloud services. No ...

Read and Write NDEF messages on NFC Tags with Arduino. NFC Data Exchange Format (NDEF) is a common data format that operates across all NFC devices, regardless of the underlying tag or device ...

H1L: FLT - Filter select : Normal latency (Low) / Low latency (High) H2L: DEMP - De-emphasis control for 44.1kHz sampling rate: Off (Low) / On (High) H3L: XSMT - Soft mute control: Soft mute (Low) / ...

Abstract: A discussion of a magnetic-drag-tachometer equipment designed principally for aircraft use. The principle of operation makes possible an indicator which may be read very accurately under ...