Superlatives are tricky things. [mircemk]’s guide “How to make Simplest ever Oscilloscope Clock” falls into that category. It’s that word, simplest. Certainly, this is an oscilloscope clock, and a ...
Color temperature-shifting. Fading. Flickering. Flat-out failing. How many ways can an LED underperform to “10-year life” Continue Reading ...
Resistors: 20 ohms , 220 ohms, 660 ohms, 10K , 500ohms X 7, 1K X 4 Transistors 4 X 2N2222 NPN One 4 digit seven segment module (SMA420564) one 50 k potentiometer one pushbutton One on/off SPST ...
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