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Monday, July 14, 2014

Elenco's Surface Mount Technology Kit Model SM-200K

The SM-200K kit is to help one get familiar with working with Surface Mount Technology. The SM-200K Decision Maker will answer any question the user asks. When the asked button is pressed, six LEDs are driven on and off; in addition, a buzzer will sound. After a few seconds one LED will remain lite answering ones question. Over a few minutes this LED will dim and then go out. The Theory of operation of the SM-200K is six LEDs are driven by a decimal counter and two oscillators. The decimal counter is driven by one oscillator and the buzzer is driven by the other oscillator. 

Completed
PCB
Tinning for Resistor Mounting.
Mounted Resistors.
All components mounted.


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