Dave celebrates the classic 555 timer IC by building the Evil Mad Scientist "three fives" discrete timer kit.
Some scope measurements and an explanation of the internal 555 timer circuitry follow.
Construction: • EEVblog #555 - 555 Tim...
Testing: • EEVblog #555 - 555 Tim...
Circuit Description: • EEVblog #555 - 555 Tim...
Waveforms: • EEVblog #555 - 555 Tim...
Classic old Signetics 555 timer datasheet: serge.bertorell...
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