| We are surrounded by batteryoperated equipment of all kinds, and this array is growing still. Manufacturers and designers lean over back...
More about Battery (455)
| A pan pot enables a monophonic input signal to be positioned where desired between the stereo loudspeakers. When P1 (see diagram) is in...
| How many different conditions do you reckon may be signalled with just one LED? Two, maybe three? Using this simple circuit, a lot more!
| The design of the charger is similar to that of many commercially available chargers. The charger consists of a mains adaptor, two resis...
| The circuit of the running light comprises two integrated circuits (ICs), a resistor, a capacitor and seven light-emitting diodes (LEDs)...
| Electronic equipment is increasingly becoming smaller, lighter, and more functional, thanks to the push of technological advancements a...
| If there is one thing that a lead-acid battery does not like it is persistent neglect. When such a battery is being discharged, its en...
| This battery tester does the job properly by evaluating the battery state under loaded conditions. The project is easy to build and co...
| Developments in the world of rechargeable batteries, and the new models that have appeared in recent years, such as the metal hydride...
| A measurement of the e.m.f. of a battery (dry or rechargeable) does not say anything about the condition of the battery or its constituen...