E-T-A Circuit Breakers has introduced the E-T-A 4930, a new remotely controlled, single pole circuit breaker (RCCB) approved to MIL-PRF-83383 for the protection of aircraft electrical systems and ...

This circuit is low cost and can be constructed easily. By using this circuit, we can control any house hold appliance with the help of remote. This circuit is low cost and can be constructed easily.

Any time you are working with burglar alarm, access control, sound, nurse call, or intercom systems, as well as computer networks, lighting dimmer controls, and low-voltage industrial controls, you ...

Courtesy of www.MikeHolt.com. Based on the 2020 NEC. Article 725 of the National Electrical Code (NEC) covers remote-control, signaling, and power-limited circuits that are not integral to a device or ...

[fahadshihab], a young tinkerer, shared his circuit design for a simple remote control using 555 timers. Using a 555 calculator, he designed a clock circuit that would run at 11.99 Hz. Two transistors ...

Every now and then a remote control acts up. Maybe you are trying to change the channel on your television and it’s just not working. A quick way to determine if the remote control is still working is ...

A universal remote that doesn’t suck to use? A universal remote that doesn’t suck to use? Dan Seifert is an editor overseeing The Verge’s product reviews and service journalism programs. Dan has ...

Sevenhugs’ Smart Remote is a universal remote that takes a very different spin on the concept than the ones we’ve seen so far. The company has shown up at CES before with an earlier prototype of the ...

Early radio receivers and record players nearly always had a knob marked “tone,” which was usually a crude low-pass filter with some form of severity adjustment. At best, these controls could ...