![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgR4q3ejJODzv37Sq-_CUr9JBSyYpS_F4dB4HOvsFmTkGRm993KfWMc4aU3YR6UasHX_-RuJaRblReYWSI_8VA14QUbCCk1TB-dPMZ6JkLGy0FLTe9jS43qctsy1ZwKgi5Gygf0DKcBnVw/s320/Delay+schematic.jpg)
the 2n3904 emitter to base breaks down at about 8 volts. But my 2n2222 starts conducting from collector. Also, I think I need two 2n2222's as a darlington pair, to amplify the signal enough to trigger the Tip35c.. The relay is because the signal up to that point is not a square wave...
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