| Solar powered lights are nowadays available at incredibly cheap prices, so we won't advise you to build these yourselves. But you may b...
Karel Walraven (34)
| The DCM motor used in our locomotive is still an old-fashioned 3-pole series motor with an electromagnet to provide motive power. The new 5-...
| This circuit is suitable in every situation where over-current protection is required. Here we give an example from the model train world.Ev...
| Servos for model making can also be used for completely different purposes besides model airplanes, boats and cars. As an example, here a se...
| This is a tip we think you’ll appreciate: the large mail-order firms have a lot of information on their sites that can be quite handy even i...
| Model railway builders know all about this: it is a troublesome job to get a block system to function properly. We present here a simple, re...
| After buying a number of DECT telephones, we noticed that these became quite warm while charging. That surprised us, because the manufacture...
| Using a few diodes and a LED, you can make a nice indicator as shown in associated schematic diagram that can be used for a lot of applicati...
| Even today much logic is still powered from 5 volts and it then seems obvious to power the circuit using a standard regulator from a rectang...
| UK mobile telephony providers are busy rolling out their nationwide 3G network for UMTS. According to a cautious estimate, it will eventuall...