| Many readers have asked how they can make their own E-blocks. This month we take a look at some options on making your own prototype E-block...
More about Design (644)
| Lots of circuit variations exist on this theme. We would like to add one more, however, that’s not easily beaten for simplicity and reliabil...
| Large power supply reservoir capacitors have always been expensive and certainly in this category it is definitely worth the effort to try t...
| Despite their mechanical simplicity, PCB pins are surprisingly difficult to mount and solder. Frequently encountered problems (admit it!) ar...
| This circuit demonstrates how easily a timebase can be designed using a minimum number of components. This circuit consists of no more than...
| The ubiquitous microcontroller appears not only in some of our projects but also in millions of household appliances sold throughout the wor...
| If a temperature-stable reference voltage is wanted in an analogue circuit, the usual choice is a device with an integrated band-gap referen...
| If you want to apply computer control to a solenoid valve or another DC load there is no need to start looking for an expensive measurement...
| The most dreadful electronics part is perhaps the toroidal core. Anyone who has wound one themselves can relate to that. Particularly if mor...
| Occasionally there is the need to charge a battery from a laptop, mobile phone or PMR handheld using an ordinary laboratory power supply. It...