Rechargeable batteries are a great way to save energy and reduce the environmental impact of batteries. However, they come in a variety of types and sizes, as do their chargers. It is important to distinguish between these types before purchasing a charger and batteries to use with it. Most chargers either charge NiMH, NiCd, or ...
When buying or replacing computer speakers, your main choices are likely to be amplified, non-amplified, or larger stereo speakers with RCA (phono) jacks/wires. Each type of speaker offers some benefits and may or may not be best for your purposes. Non-amplified computer speakers are often fairly small and don’t need to be plugged in. This ...
I found myself in Radio Shack this weekend (again) looking to return a cable splitter that I had no need for. Unfortunately they wouldn’t offer me cash back, but instead they gave me store credit. Fine by me, it’s an electronics store, I’m sure I’ll find something to waste my $17.00 in store credit on. ...
I currently work for an elementary school and we recently came up with the idea of purchasing a whole slew of walkie talkies so that we could better keep in touch with the supervisors on the playground, as well as get in touch with various staff members (such as the custodian or lunch personnel) without ...
A cassette to CD adapter is a useful device which allows you to use the speakers of a car stereo for listening to the audio of a portable CD player. These converters can also be used with some older boom boxes and radios with top- or front-loaded cassette players, including several models made by Electro ...
Many radio receivers are capable of receiving the sound portion of broadcast television programs. This feature is useful for portable listening or during power outages. Most TV band radios also receive regular AM and FM, some receive other bands as well. The vast majority of TV band radios don’t receive every TV channel (2-69). Most ...
Radio transmission and reception of any variety requires an antenna to convert electrical currents from the transmitter into electromagnetic waves and vice versa. The type and dimensions of the required antenna are functions of the frequency of radio waves being transmitted or received. A dipole is one of the most basic types of radio antenna ...
The CMOS battery is a small unit located on the motherboard of most computers, which provides the electricity needed to keep the current time and system configuration settings while the computer is turned off. When the battery fails, the computer will have to spend time detecting what type of disk drives it has every time ...
Karla News
Karla News