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Many times the hobbyist wants to have a simple, dual power supply for a project. Existing powersupplies may be too big either in power ou... -
This is a class AB transistor power amplifier. It is a simple amplifier to build, uses standard parts and is stable and reliable. The en... -
Crystal oscillators for digital circuits are normally built as Pierce oscillators with an inverter.The inverter operates as a linear amplifi... -
For a lower parts count than the 2 transistor multivibrators, 2 LED s can be alternately flashed with a 555 integrated circuit configu... -
Parallax, well known for its successful Basic Stamp IC, has recently introduced the Propeller: a new microcontroller with a certain dif...