| There are often occasions when a higher direct voltage is required than an available battery can provide. In many such cases, the circuit...
All items tagged with Circuit and Battery (30)
| Although it has no detector or alarm actuation device of any kind, the present circuit may still function as a deterrent against car thi...
| Many car battery chargers costing not more than £12- £15 are pretty spartan devices. Car owners should beware of using such chargers whi...
| The circuit shown in here has been designed to protect (expensive) high-power resistors against overheating. Very high power resistors (...
| Halogen-lamps, particularly highwattage ones, tend to draw very high currents when they are cold, because they then have a very low resis...
| This handy circuit is intended for battery-operated appliances. lt functions as a touch-operatedsupplyon switch and delayed supply offsw...
| Various types of dry and rechargeable battery (with an e.m.f. of
| The charge-discharge-idle (C-D-D monitor described here is suitable for all vehicles with a 12-V or 24-V battery of which the negative t...
| Applications for this mechanically set and reset bistable are found, among others, in anti-theft devices and model railway crossings.
| With circuit values as shown, this charger allows up to seven series-connected NiCd batteries to be charged. This number may be increased...