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spiffchorder:sample_layout [2008/05/21 06:40]
priestdo
spiffchorder:sample_layout [2008/05/21 14:38]
priestdo
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 ====== Component Layout ====== ====== Component Layout ======
-With around two dozen total components its hard to go wrong.  The chorder can be built on perfboard, stripboard, wirewrap or your can etch a pcb board.  If you create a layout, please send it to us, your layout may be just what someone else needs to help them build their board!  Please be sure to clearly state how you want to be listed when we post it.  From Name and email address (obfuscated by the wiki) to total anonymity, we will do our best to accommodate your request. Component numbers should match the ones used on the [[hardware]] page.+With around two dozen total components its hard to go wrong.((Unless it's 3am and the morning of a conference where you really want to have a new chorder to show folks, in which case experience tells me that it's quite //easy// if not downright //likly// you'll mess it up completely.))  The chorder can be built on perfboard, stripboard, wirewrap or your can etch a pcb board.  If you create a layout, please send it to us, your layout may be just what someone else needs to help them build their board!  Please be sure to clearly state how you want to be listed when we post it.  From Name and email address (obfuscated by the wiki) to total anonymity, we will do our best to accommodate your request. Component numbers should match the ones used on the [[hardware]] page.
  
  
  
 ===== perfboard ===== ===== perfboard =====
-|{{spiffchorder:​perfboard-layout-7key-01.jpg?​300|click or select to enlarge}}This layout is for a Seven key chorder with no LEDs or ISP. (This is what Greg uses.)\\ The layout is for perfboard and wire but could be adapted to other methods. For the largest version of the graphic, select it to enlarge, then select it again.\\ Component names and numbers match those used on the [[hardware]] page.|+<​columns>​ 
 +{{spiffchorder:​perfboard-layout-7key-01.jpg?​300|click or select to enlarge}} 
 +NEWCOL 
 +This layout is for a seven key chorder with no LEDs or ISP.  It incudes pull-up resistors in a bussed resistor network. 
 + 
 +The layout is for perfboard and wire but could be adapted to other methods. ​ 
 + 
 +For the largest version of the graphic, select it to enlarge, then select it again. 
 + 
 +Component names and numbers match those used on the [[hardware]] page. 
 +</​columns>​
  
  
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 </​columns>​ </​columns>​
  
-First, insert and then solder the following components into a 28pin DIP as indicated.+First, insert and then solder the following components into a 28pin DIP between the pins indicated ​in Chart One.
  
-^28x2 dip||^notes|+^Chart One|||| 
 +^         ||^notes|
 |1|  X1  |28| |1|  X1  |28|
 |2|  |27|2nd row left blank| |2|  |27|2nd row left blank|
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 ** Warning ** I have not yet wired up the wirewrap board, once I have (and as such confirmed that the wire chart below is correct) I will remove this warning -Greg ** Warning ** I have not yet wired up the wirewrap board, once I have (and as such confirmed that the wire chart below is correct) I will remove this warning -Greg
  
-Next use a wirewrap tool to connect the following ​pins.  **Remember to take into account that you are turning the socket upside down when you wrap**. Check your pin numbers carefully. I will post photos with lables once I make this version of the chorder.  +Next use a wirewrap tool to connect the pairs of pins indicated in Chart Two.  **Remember to take into account that you are turning the socket upside down when you wrap**. Check your pin numbers carefully. Check off the boxes in the first column when you wrap them, check off the third column when you confirm the wireing with a continuity meter. I will post photos with lables once I make this version of the chorder.  
- +<​columns>​ 
-^key|| +^Chart Two |||
-CS-# | component socket pin number, 28 pin dip holding the circut components ​ | +
-| IC-# | IC socket socket pin number, 28 pin dip holding the AVR atmega168 ic  | +
-| SW-# | Switch number, each switch has 2 pins.  One pin is wired to the IC, the other to Ground | +
-| USB-#  |  The four lines of the usb cable (see [[hardware]]) ​ | +
-| VCC  |  power from line one of the usb cable  | +
-| GND  |  Ground line from line 4 of the usb cable | +
- +
 ^wired^ components ​ ^  tested ​ | ^wired^ components ​ ^  tested ​ |
 |[ ]|  CS-1  CS-4  |[ ]| |[ ]|  CS-1  CS-4  |[ ]|
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 |[ ]|  USB-1 VCC   |[ ]| |[ ]|  USB-1 VCC   |[ ]|
 |[ ]|  USB-4 GND   |[ ]| |[ ]|  USB-4 GND   |[ ]|
 +NEWCOL 
 +^key for Chart Two|| 
 +| CS-# | component socket pin number, 28 pin dip holding the circut components ​ | 
 +| IC-# | IC socket socket pin number, 28 pin dip holding the AVR atmega168 ic  | 
 +| SW-# | Switch number, each switch has 2 pins.  One pin is wired to the IC, the other to Ground | 
 +| USB-#  | The four lines of the usb cable (see [[hardware]]) ​ | 
 +| VCC  | power from line one of the usb cable  | 
 +| GND  | Ground line from line 4 of the usb cable | 
 +</​columns>​
spiffchorder/sample_layout.txt · Last modified: 2008/05/21 14:51 by priestdo
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