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| spiffchorder:sample_layout [2008/05/21 10:40] – priestdo | spiffchorder:sample_layout [2025/02/15 20:20] (current) – external edit 127.0.0.1 | ||
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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: | + | < |
| + | {{spiffchorder: | ||
| + | < | ||
| + | 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. | ||
| + | </ | ||
| + | |||
| Line 15: | Line 27: | ||
| < | < | ||
| {{spiffchorder: | {{spiffchorder: | ||
| - | NEWCOL | + | < |
| This layout if for a seven key chorder, no LEDs, ISP or pull-up resistors. | This layout if for a seven key chorder, no LEDs, ISP or pull-up resistors. | ||
| - | It uses two 28 pin DIP wirewrap sockets and no breadboard. The IC uses one of the sockets. | + | It uses two 28 pin DIP wirewrap sockets and either |
| - | In practice all ground lines are brought | + | In practice all ground lines are brought |
| - | In like fashion, the lines for the keyswitches are brought out to, and soldered to one side of each of the switches and a ground line is run to the other. | + | In like fashion, the lines for the keyswitches are brought out and soldered to one side of each of the key switches and a ground line is run to the other side of the key switches. |
| - | While a graphic is provided for referance, the wireing | + | While a graphic is provided for reference, the wiring |
| For the largest version of the graphic, select it to enlarge, then select it again. | For the largest version of the graphic, select it to enlarge, then select it again. | ||
| Line 31: | Line 43: | ||
| </ | </ | ||
| - | 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 |
| - | ^28x2 dip||^notes| | + | ^Chart One|||| |
| - | |1| | + | ^ |
| - | |2| |27|2nd row left blank| | + | |1| X1 |28| |
| - | |3| | + | |2| |27|2nd row left blank| |
| - | |4| | + | |3| C1 |26| |
| - | |5| |24|5th row left blank| | + | |4| C2 |25| |
| - | |6| | + | |5| |24|5th row left blank| |
| - | |7| | + | |6| C5 |23| |
| - | |8| | + | |7| R4 |22| |
| - | |9| | + | |8| D2 |21|orientation is significant| |
| - | |10| | + | |9| R3 |20| |
| - | |11| | + | |10| |
| - | |12| | + | |11| |
| - | |13| | + | |12| |
| - | |14| | + | |13| |
| + | |14| | ||
| - | ** 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 | + | Next use a wirewrap tool to connect the pairs of pins indicated in Chart Two. Consider your final placement of the sockets and make your lines long enough to accommodate. With this layout you could place a small amount of non conductive material between the sockets and place them bottom side to bottom side once you have tested the circuit and trimmed the long pins on the sockets. |
| - | + | < | |
| - | ^key|| | + | ^Chart Two ||| |
| - | | CS-# | component socket pin number, 28 pin dip holding the circut components | + | ^wired^ components ^ tested | |
| - | | IC-# | IC socket socket pin number, 28 pin dip holding the AVR atmega168 | + | |[ ]| CS-1 CS-4 |[ ]| |
| - | | SW-# | Switch number, each switch has 2 pins. One pin is wired to the IC, the other to Ground | | + | |[ ]| CS-5 CS-23 |[ ]| |
| - | | USB-# | The four lines of the usb cable (see [[hardware]]) | + | |[ ]| CS-6 VCC |[ ]| |
| - | | VCC | + | |[ ]| CS-8 GND |[ ]| |
| - | | GND | + | |[ ]| CS-10 GND |[ ]| |
| + | |[ ]| CS-11 GND |[ ]| | ||
| + | |[ ]| CS-12 VCC |[ ]| | ||
| + | |[ ]| CS-13 CS-14 |[ ]| | ||
| + | |[ ]| CS-14 VCC |[ ]| | ||
| + | |[ ]| CS-15 GND |[ ]| | ||
| + | |[ ]| CS-16 CS-15 |[ ]| | ||
| + | |[ ]| CS-18 CS-17 |[ ]| | ||
| + | |[ ]| CS-18 USB-2 |[ ]| | ||
| + | |[ ]| CS-19 CS-18 |[ ]| | ||
| + | |[ ]| CS-20 CS-19 |[ ]| | ||
| + | |[ ]| CS-21 USB-3 |[ ]| | ||
| + | |[ ]| CS-22 CS-21 |[ ]| | ||
| + | |[ ]| CS-23 GND |[ ]| | ||
| + | |[ ]| CS-25 GND |[ ]| | ||
| + | |[ ]| CS-26 GND |[ ]| | ||
| + | |[ ]| CS-28 CS-3 |[ ]| | ||
| + | | | | | | ||
| + | |[ ]| IC-2 | ||
| + | |[ ]| IC-4 | ||
| + | |[ ]| IC-7 | ||
| + | |[ ]| IC-8 | ||
| + | |[ ]| IC-9 | ||
| + | |[ ]| IC-10 CS-28 |[ ]| | ||
| + | |[ ]| IC-12 SW-7 |[ ]| | ||
| + | |[ ]| IC-14 SW-1 |[ ]| | ||
| + | |[ ]| IC-15 SW-2 |[ ]| | ||
| + | |[ ]| IC-16 SW-3 |[ ]| | ||
| + | |[ ]| IC-17 SW-4 |[ ]| | ||
| + | |[ ]| IC-18 SW-5 |[ ]| | ||
| + | |[ ]| IC-19 SW-6 |[ ]| | ||
| + | | | | | | ||
| + | |[ ]| SW-1-7(GND) GND |[ ]| | ||
| + | | | | | | ||
| + | |[ ]| USB-1 VCC |[ ]| | ||
| + | |[ ]| USB-4 GND |[ ]| | ||
| + | < | ||
| + | ^key for Chart Two|| | ||
| + | | CS-# | component socket pin number, 28 pin dip holding the circuit components | ||
| + | | IC-# | IC socket socket pin number, 28 pin dip holding the AVR atmega168 | ||
| + | | 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 | ||
| - | |[ ]| CS-1 CS-4 |[ ]| | ||
| - | |[ ]| CS-5 CS-23 |[ ]| | ||
| - | |[ ]| CS-6 VCC |[ ]| | ||
| - | |[ ]| CS-8 GND |[ ]| | ||
| - | |[ ]| CS-10 GND |[ ]| | ||
| - | |[ ]| CS-11 GND |[ ]| | ||
| - | |[ ]| CS-12 VCC |[ ]| | ||
| - | |[ ]| CS-13 CS-14 |[ ]| | ||
| - | |[ ]| CS-14 VCC |[ ]| | ||
| - | |[ ]| CS-15 GND |[ ]| | ||
| - | |[ ]| CS-16 CS-15 |[ ]| | ||
| - | |[ ]| CS-18 CS-17 |[ ]| | ||
| - | |[ ]| CS-18 USB-2 |[ ]| | ||
| - | |[ ]| CS-19 CS-18 |[ ]| | ||
| - | |[ ]| CS-20 CS-19 |[ ]| | ||
| - | |[ ]| CS-21 USB-3 |[ ]| | ||
| - | |[ ]| CS-22 CS-21 |[ ]| | ||
| - | |[ ]| CS-23 GND |[ ]| | ||
| - | |[ ]| CS-25 GND |[ ]| | ||
| - | |[ ]| CS-26 GND |[ ]| | ||
| - | |[ ]| CS-28 CS-3 |[ ]| | ||
| - | | | | | | ||
| - | |[ ]| IC-2 | ||
| - | |[ ]| IC-4 | ||
| - | |[ ]| IC-7 | ||
| - | |[ ]| IC-8 | ||
| - | |[ ]| IC-9 | ||
| - | |[ ]| IC-10 CS-28 |[ ]| | ||
| - | |[ ]| IC-12 SW-7 |[ ]| | ||
| - | |[ ]| IC-14 SW-1 |[ ]| | ||
| - | |[ ]| IC-15 SW-2 |[ ]| | ||
| - | |[ ]| IC-16 SW-3 |[ ]| | ||
| - | |[ ]| IC-17 SW-4 |[ ]| | ||
| - | |[ ]| IC-18 SW-5 |[ ]| | ||
| - | |[ ]| IC-19 SW-6 |[ ]| | ||
| - | | | ||
| - | |[ ]| SW-1-7(GND) GND |[ ]| | ||
| - | | | ||
| - | |[ ]| USB-1 VCC |[ ]| | ||
| - | |[ ]| USB-4 GND |[ ]| | ||