My first PCB

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Sasch600xt
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My first PCB

#1 Post by Sasch600xt » 27 Jan 2019, 17:20

Hello all :)

I got my first selfdraw PCB 2 days ago an i would like to share it with you :)

2 x MCP23017 portextender for up to 32 extra IOs.

Each channel can be setted by jumper as Input or output.

as input there is also a jumper to set a 10k pulldown resistor.
as output there is ULN2803 transistor arrays wich can be used by internal 5V supply or external 3-30V by jumperselection.

All other ports of the ESP are also available.
by jumper you can use a 4,7k pullup resistor for each IO.

plus there is a grid for own applications including GND, 3.3V and 5V connector nearby.

Basicly i did try to make a "one fits all" PCB :)

So what do you think ? (well, it is my very first PCB :))

Have a great day
Sascha

Image

Image

***right click "open picture in new tab"***
Last edited by Sasch600xt on 30 Jan 2019, 16:11, edited 2 times in total.
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mrwee
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Re: My first PCB

#2 Post by mrwee » 27 Jan 2019, 19:00

I can't see the images :(
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Sasch600xt
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Re: My first PCB

#3 Post by Sasch600xt » 27 Jan 2019, 19:05

i dont know why, but here is a workaround :

right click "open picture in new tab"
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waspie
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Re: My first PCB

#4 Post by waspie » 28 Jan 2019, 13:25

that's massive. looks like you'll be prepared for anything!
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Sasch600xt
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Re: My first PCB

#5 Post by Sasch600xt » 30 Jan 2019, 02:06

that was the goal :)
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budman1758
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Re: My first PCB

#6 Post by budman1758 » 30 Jan 2019, 15:46

That's pretty cool! Will you be making it available for sale?
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Sasch600xt
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Re: My first PCB

#7 Post by Sasch600xt » 30 Jan 2019, 16:08

Well......a few i could sell now.....not 1000th of.

But if someone here needs one or two, please feel free to send me a PM :)

Have a great das
Sascha
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mrwee
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Re: My first PCB

#8 Post by mrwee » 30 Jan 2019, 19:11

Which program did you use to make the PCB? Would like to try and make a ESP8266 "motherboard" myself :D
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Sasch600xt
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Re: My first PCB

#9 Post by Sasch600xt » 30 Jan 2019, 19:52

i use "Easy EDA"

works perfect for me :)
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