EEVblog #555 – 555 Timer Kit


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.
Video Highlights:
Construction
Testing
Circuit Description
Waveforms
Classic old Signetics 555 timer datasheet
The kit
Han’s Book on Analog chip design
Forum HERE

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