Simple square wave generator and LED flashing test


http://wp.me/ph3BR-14u

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this is a reference came from a Russia guy

the page & design is original as the link, http://zpostbox.ru/simple_square_wave_generator_circuit_e.html

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my experiment and the result

h_ttp://youtu.be/j283pWkIU-E

In reviewing the past of experiment to 1.5V square wave generator (http://wp.me/ph3BR-PG), this one has some advantage but also some disadvantage, for example, when human body touch underneath metal plate of the bread board, the frequency (LED flashing speed) changed a lot, the video clip shows this, white LED is obvious, but the green LED is not the so obvious.

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