Repairing radios was easier when radios were simple. There were typically two strategies. You could use a signal tracer (an amplifier) to listen at the volume control. If you heard something, the ...

An arbitrary waveform generator (AWG) is a specialized electronic test instrument that can create any waveform shape the user ...

HONG KONG: Typhoon signal No. 1 will remain in force at least until Sunday (July 6) noon, the Hong Kong Observatory has said, ruling out the chance of issuing higher tropical cyclone warning signals.

Stock Market News From June 27, 2025: S&P 500 and Nasdaq Mark New Highs The Dow rose Friday, as markets shrugged off the latest PCE report and weighed updates in tariff negotiations.

Routers come with a lot of jargon, but it all comes down to two factors: data throughput and range.

So why is Wi-Fi 7 such an improvement? It comes down to wider channels. Wi-Fi 7 doubles the channel size of the 6GHz band, going from 160MHz to 320MHz.

India produces maize on a larger scale. Lack of maize processing machine is major challenge for maize industries. This paper reflects about the main idea of designing and fabricating a maize separator ...

The paper presents a developed functional generator and a study of the influence of the supply voltage on the stability of the frequencies generated by it. Base ...

I powered my smartphone off-grid with this portable wind generator. Here's how Solar generators are great, until the clouds come out.

Simplest ultrasonic ANTISPY voice recording jammer based on ATTINY13 / ATTINY85/45/25 / ARDUINO with PAM8403 / TPA3116D2 module driving piezo ultrasonic transducers (and optionally AD8933 signal g ...

A simple Arduino-based traffic signal project using red, yellow, and green LEDs. Follows a timed sequence (red → yellow → green) with customizable delays. Ideal for beginners learning about digital ...