More about Gerber (930)

1-11-2002 | Although fuel cells are still largely the stuff of the future, some recent developments look set to bring that rather closer and give a good...

1-11-2002 | You would be forgiven for thinking that a torch is probably the ultimate minimalist circuit: all you need is a battery, switch and bulb and...

1-10-2002 | This programmer for Atmel processors can be easily built and is very cheap. It consists of little more than a ZIF socket, four connectors an...

1-10-2002 | Any radio amateur knows the importance of an accurate RF power meter. A wattmeter can be used to measure gain in amplifiers, bandwidth in fi...

1-10-2002 | This alarm system uses two PIC16F84 processors and is relatively easy to build and install. The cost is very low compared to ready-made syst...

1-09-2002 | How about an in-circuit capacitor tester to take the strain out of tracking down faulty capacitors? No need to solder out any capacitor, sim...

1-09-2002 | This circuit is for an interface between the parallel port of a PC and a socalled JTAG interface. This type of circuit was originally develo...

1-09-2002 | In the June 2002 issue we introduced you to the DS89C420, the youngest member of the microcontroller family produced by our ever active frie...

1-09-2002 | This SSB/CW receiver for the popular 20-m amateur radio band boasts a number of interesting features. Designed as a double-conversion superh...

1-07-2002 | This circuit can be used to superimpose a 143-kHz carrier on the mains voltage, which allows various applications to be realised. One exampl...