Electronics > Beginners
The "I made this!" thread - Beginners achievements with pride.
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davethecipo:
Hi everyone!

I followed the "Getting to Blinky" tutorial from Chris Gammell to familiarize myself with Kicad. This is my first PCB. I used through holes components and the bipolar version of the 555, which I already had, instead of the CMOS version. 9V battery for the power. First of all, I want to thank Chris for the tutorial.

Now, coming to the beginner mistakes I made, this is what I found:

1. I flipped the + and - signs on the silkscreen...doh!
2. Pin 5 (Control Voltage) shouldn't be connected to Ground, therefore I had to lift the leg of the 555. The manual suggests a 0.01 uF cap.
3. I got the wrong footprint for the 555...next time I'll double check
4. I got the wrong polarity for the LED...double doh!!

The main lesson for me was to RTFM and double check the footprints. Anyways at the end of the day I'm very happy!
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