to all Elektor readers

6-38 — elektor june 1981 to all elektor readers ... to all elektor readers who missed their chance to get rich We tipped you off some time ago. Way back in the 1975 "Summer Circuits" issue, we suggested making cuff-links out of power transistors. We even gave a circuit for a LED flashing ornament; one IC, a capacitor and a LED. The ideal basis for an attractive necklace that is currently selling at a high price in Germany. That was your chance and, regretfully, it"s too late now. An enterprising manufacturer is already producing them and they are available in certain shops in Europe. The following is a selection of what he has to offer. One IC, tantalum capacitors, one preset and a red LED. Mount them on a printed circuit board and attach a chain. This one sells for £ 10. A sophisticated, third generation concept. Sixteen LEDs in various colours, appear to flash at random. Four ICs are re- quired to produce this effect, no less than seven resistors, six capacitors and a diode. ...