| Typing on today’s mobile phones and tablets is needlessly slow. One limitation is that the QWERTY layout is ill-suited when typing with the...
All items tagged with Fast and Design (6)
| The battery-powered preamplifier published in our February 1997 issue must have made many of our readers long for a matching power amplifie...
| A microprocessor-controlled charger is described that surely meets the requirements of most users of NiCd batteries. It is fast, suitable...
| The battery charger is intended primarily tor charging, and keeping charged, without supervision, lead-acid batteries of cars and motorcyc...
| Fast charging high-capacity NiCd batteries with large currents does not only save time, but also prolongs their useful life. Moreover, if...
| lead-acid battery charger The lead-acid battery has improved so much in recent years that it can often be a good and less expensive substitu...