Older vehicles manufactured around the pre-2000s used something called a thermal flasher relay for their indicators. This used a surprisingly simple design by 2024 standards – inside a little ...

It uses a second ESP8266 that sends a UDP packet to control the relay, and also listens for UDP packets to update the status of the indicator LED if something else turns off the system in question ...

Back in the day, though, things like brake lights and indicators were all done with analog electronics. If your classic car needs a good old-fashioned flasher module, you might find this build ...

A time indicator records and displays elapsed time but performs no output function. Some timers can be programmed to function as a counter as well as timing functions. Time delay relays and ...

Solid state relays (SSR) are electrically operated switches with no moving components and are used to isolate circuits or batteries, detect faults on transmission and distribution lines, and control ...

The Indicator from Planet Money A little show about big ideas. From the people who make Planet Money, The Indicator helps you make sense of what's happening today. It's a quick hit of insight into ...

This post reviews the best trend strength indicators, which measure the strength or momentum of a market trend. Learn about five of the most powerful technical analysis tools, how they work and ...

Traders need to first identify the market. Momentum indicators are the most popular for commodity trading. Momentum indicators are the most popular for commodity trading, contributing to the ...

Is it an acid, base, or neutral? Make your own acid-base indicator from red cabbage, then test various household substances. Acids and bases are classes of materials that have different properties.

Lagging indicators are just as important as leading indicators because they verify that changes in trends have happened. In English, the verb “to lag” means to fall behind, and it usually ...

Economic indicators are pieces or sets of macroeconomic data that are indicative of the past, present, or future state of the economy or some part of it. Even outside of the realm of finance ...