About sragen

sragen · 2011-08-22

Posted on August 23, 2011 at 05:28Dear all,Sorry, I am a newbie on STM32 microcontroller.Yesterday I have made my own STM32F103RBT6 board. I use L1117-3.3 as my 3,3 volt regulator. The external components are Crystalls, capacitors for crystall, supp...

sragen · 2011-09-14

Posted on September 14, 2011 at 11:11Thanks Guys for all helps and suggestions.I will use better solder paste and better solder wire for my future board. As for now, I start to try programming my board. So, I think it is the time to end this thread....

sragen · 2011-09-09

Posted on September 10, 2011 at 00:08Thanks for the responses guys. Now I got my board working. The problem is the solder paste. Maybe it sound ridiculous, but it was happened. After I removed the solder paste using alcohol and then heating up the ...

sragen · 2011-09-05

Posted on September 06, 2011 at 01:17Thanks Becker for the response, The chip current is increasing gradually, but it will goes to short circuit in just several seconds (vdd to vss resistance almost under 10 ohm). The strage part is if I heating up ...

sragen · 2011-08-25

Posted on August 25, 2011 at 12:06Thanks Frank for the response.You're correct. My PCB actually just a breakout board that will be used with the main board. It was very very simple test, very basic. Yesterday I did not connected the board to anythin...

sragen · 2011-08-24

Posted on August 24, 2011 at 22:17Thanks Hal for the suggestion.From the orientation of PCB picture I've posted earlier, it is correct that number 1 pin is on the upper right corner side. What I mean in the lower left corner is, the dot (pin number ...

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