Chest display circuit board layout?

Sixxgunn13

Well-Known Hunter
Does anyone have a chest display circuit board pic? i 'm having a friend make mine but he would like to see what a completed one looks like. i got the schematic off Brak's tutorial site.

also does anyone know, if the R14-20=220 ohm are 1/4 watt?

thz
 
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webchief

Well-Known Hunter
I seem to remember seeing the schematic somewhere online before... I may have even downloaded it. Let me poke around and get back to you.
 

Sixxgunn13

Well-Known Hunter
Thx Chief,

if you can also find a pic of a completed one? so i can see how to layout the circuits..back and front(y)

Sixx
 

shackman

Active Hunter
All resistors used in the circuit are 1/8 watt (1/4 would work fine, but will just be bigger than needed).

The back of the PCBs have no components, other than the connectors I use. All parts mount to the front of the boards. Sorry, never took pics of the boards (up close), just posted the schematics.

Good luck on the project though! I've known a few others that have built their own, with good results!


ATM
ShackMan
 

mrgr8ness

Well-Known Hunter
Doesn't shackman's circuit use a programmed eprom? It should be a very simple program to write. I would have to refresh my programming a bit though
 

shackman

Active Hunter
It's a PIC microcontroller. Yes, fairly simple program, except that I had to learn to program in PIC assembly before writing it. ;) Seriously though, with programming experience and a programmer, it isn't that hard. LOT better than using discrete logic chips.


ATM
ShackMan
 
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