| With rechargeable lead-acid batteries it’s invariably useful — if not essential — to determine whether the power source you’re hauling along...
| With rechargeable lead-acid batteries it’s invariably useful — if not essential — to determine whether the power source you’re hauling along...
| It takes only a handful of components to build our intelligent regulator. It uses a PICÂ 12C671 microcontroller, which has the double advanta...
| This project doesn’t use a microcontroller, nor even the slightest specialized integrated circuit (IC). In spite of this, it will look after...
| The majority of dirt cheap ordinary chargers don’t include any regulation circuitry and so will over-charge a vehicle battery if you’re unwi...
| The author is a particular fan of fishing, and like many anglers is the proud owner of not only a fishing rod, but also a boat: and this is...
| The interesting thing about the Prius is that it can run for a limited period as an electrical vehicle (EV). Fine, but with the existing NiM...
| The inspiration for this design came from the author’s experience with a mini model helicopter (from Silverlit). This particular model has a...
| In order to induce energy transfer from the old batteries into the rechargeable ones, a voltage difference must be established. Obviously, w...
| Elektor September 2007 comes with a board containing an LED booster circuit which you can try out for yourself. Although tiny, the board con...
| The power supply system of zBot1 consists of two parts, the main accumulator and the auxiliary battery. The main power source was realised w...