Got the components but it turns out that they too small to work with. My CNC machine cannot go beyond 1mm resolution.
![](https://cdn.hackaday.io/images/5738701690987500577.jpg)
So now waiting for converter from 0.5mm to DIP-16, from Poland.
My first try to solder this tiny components ended up by soldering all together 😕 but second was more successful.
TADA 🎉 !!!
![](https://cdn.hackaday.io/images/9509661691159015986.jpg)
Now I can proceed to building the power supply for this project.
Not so fast...
I was trying to connect this IC to the 5v and I couldn't find GND terminal. What?!
![](https://cdn.hackaday.io/images/7999051691259825324.jpg)
It turns out that GND is underneath the chip. I could resolder it but the connector doesn't have GND pad. I guess I should make a hole in the connector PCB and connect. This is another setback.
I guess I should find the components by myself but this reference got lots of good ideas. I guess it worth the pain.
Luckily I have CNC machine, after gently curving through PCB I got this
![](https://cdn.hackaday.io/images/3622231691325350138.jpg)
The GND terminal is exposed! Hopefully I didn't break anything in the process.
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