In the current economic downturn, it may be difficult for you to rationalize spending what’s left of your dwindling disposable income on electronic components, test equipment, and other non-essentials. However, your electronics avocation needn’t be an all-or-nothing proposition. There are numerous ways of cutting costs without diminishing your enjoyment. In fact, if your focus is circuit design, then you’ll probably find the engineering challenge of getting the most from affordable components more rewarding than simply ordering and using the latest generation chips. And there are also options for construction enthusiasts.
Questions on a synthesis circuit, IC chips, grounding problems, resistor values (for light/dark), power supplies, and Kodak photoresist and developer are answered. Read More...