High Performance HF Power meter using Arduino and a Directional Coupler This device can measure power over a wide dynamic range from 10uW to 1 KW and will derive SWR for a 50 Ohm load The front end ...

Application for the 'D1 mini ESP32 controller' connected to a 3.2 inch TFT display ILI9341 to control a Yaesu FT-818 or (with some small changes) the FT-817. The code is far away from optimized.

You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The ...

Mike Stewart] powers up a thrust meter from an Apollo lunar module. This bit of kit passed inspection on September 25, 1969.

The Mysuru division of South Western Railway has appealed to commuters to use digital platforms such as the RailOne mobile app to book railway tickets and avail passenger-related services. By using ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

Abstract: Optical power meters (OPMs) are elementary devices, necessary in a wide variety of applications to determine the power of incident light. As an alternative to costly commercial devices, very ...

Technology giant Microsoft Corp. has acquired 377 acres of farmland in Van Meter’s Vision Park, an area on the southeast part of the Dallas County community that a decade ago was identified for ...

Abstract: Measurement of electrical parameters such as Inductance (L), Capacitance (C) and Resistance (R)plays an integral role in the real world implementation of the circuits. This paper is focused ...

Just yesterday, we wrote about the Qualcomm Dragonwing Q‑7790 and Q‑8750 AIoT SoCs, and on the same day, Quectel launched the SP895BD-AP smart AIoT module based on the Dragonwing Q-8750. It is ...