| There is often a desire to extend an existing circuit or some equipment so that it can display voltage, current and measurement of other par...
| There is often a desire to extend an existing circuit or some equipment so that it can display voltage, current and measurement of other par...
| Although the timer was designed specifically for use with an ultra-violet-light box, it may, if course, be used for other purposes as we...
| A particular difficulty with LED har displays is the high current drain. LED driver LM3914 controls a chain of LEDS instead of as usua...
| Knowing the current drawn (by a battery) or generated (by a solar cell) over aperiod of time is a requirement in many applications that c...
| The indicator is intended to display the clock frequency of a personal computer HO 1133 HDN 1133 (pe) in megehartz. It consists of two com-...