| The 555 is a timer IC that has so many applications that it is not possible to name all of them. Here, a 555 forms the heart of a simple sig...
Velleman N.V. (3)
| Thanks to a built-in microprocessor, this clock has a wide range of features and settings. The six large figures of its display, which is ma...
| Some of you may call them hopelessly old-fashioned, but they can still be heard at many frequencies when tuning across the short-wave band...