| The Type UGN3140 Hall-sensor from Sprague enables a magnetic- field detector to be constructed that is conspicuous by its simplicity.
All items tagged with Time and technology (303)
| The adaptor enables almost any NiCd charger to work on the reflex principle. It is simply connectect in parallel with a battery when thi...
| A small detector to indicate the present of a pulsating or alternating electric field is easily made from an inexpensive IC, an LED, a r...
| Most satellite receivers provide a direct voltage at their coaxtat output which, depending on the plane of polarization of the set progr...
| The regulator ensures slow turn on of the supply voltage. Starting at 1.25 V it takes 3 s before the full 15 V is available. The maximum...
| Just a few components suffice to provide a car with a visible as well as an audible indication when it is being reversed.
| The control, which makes use of a 6-position rotary switch, provides stepped amplification or attenuation of low audio frequencies.
| The domestic mains voltage, even at the best of times, does not have a clean wave form. For all sorts of reason, there are almost always...
| If ananalogue-to-digital (A-D) converter is required for a particular application of an 8051 microcontroller design, this may be built f...
| Normally, the standard probe supplied with an oscilloscope can be used only for measurements with respect to earth. This, occasionally...