DIY SMPS 30V 3A - Get it? Then this is for you
Some subjects remain popular for DIY projects, either because a satisfactory solution has not yet been found or just because the result is something useful. Clocks is one example, power supplies another. At Elektor.Labs we have done many, many PSU designs, from too simple to overly complex and yet we manage to find excuses to do a new one every time.