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wavebubble:errata [2007/11/26 16:47]
bushing
wavebubble:errata [2016/01/28 18:05] (current)
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 Unfortunately,​ there are many errors or discrepancies between the various resources available for this project. ​ Eventually, they will all be listed here; if you can then update one of the resources (schematic, PCB layout, assembly directions),​ please do so and then remove the error from this list. Unfortunately,​ there are many errors or discrepancies between the various resources available for this project. ​ Eventually, they will all be listed here; if you can then update one of the resources (schematic, PCB layout, assembly directions),​ please do so and then remove the error from this list.
  
-===== Forum threads===== +NoteThis errata does not apply to the WB 2010 design by Mictronics found here: http://​ladyada.net/​wiki/wavebubble/​wave_bubble_2010
-(extract info from thread, place on this page and remove thread from list:+
- +
-  * http://www.ladyada.net/​forums/viewtopic.php?​t=3179 +
 ===== Part changes: ​ ===== ===== Part changes: ​ =====
 ==== Battery board ==== ==== Battery board ====
-Omit parts R3R4R5 and Q2 on the LiPoly board; they are only needed to charge ​the battery if it falls below 3.7v, which it should ​not do.+^ Part ^ Incorrect ^ Correct ^ Remarks ^ 
 +| R2 | 2K0.25W | 500-1000 ohm | The lower the resistance, the brighter ​the power LED -- can be any wattage | 
 +| R3 | ? | do not place | unused | 
 +| R4 | ? | do not place | unused | 
 +| R5 | ? | do not place | unused | 
 +| Q2 | ? | do not place | unused | 
 +| D1 | ? | SS14 | 
 +| J2 | optional |  | If you omit this part, you have to jumper two pads together or else you won't get power from the USB port |
  
 ==== Main (radio) board ==== ==== Main (radio) board ====
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 | C80 | 20pF | 22pF | Substitute to save money by combining order with other 22pF caps | | C80 | 20pF | 22pF | Substitute to save money by combining order with other 22pF caps |
 | C81 | 20pF | 22pF | Substitute to save money by combining order with other 22pF caps | | C81 | 20pF | 22pF | Substitute to save money by combining order with other 22pF caps |
-| C83 | | .1uF ? | not listed in instructions ​+| C83 | .1uF | .1uF ? | on top/​parallel R41 
-| C84 | | .1uF ? | not listed in instructions ​|+| C84 | .1uF | .1uF ? | on top/​parallel R43 | 
 +| D1 | 1N5817 | SS14 | 
 +| D2 | 1N5817 | SS14 | 
 +| D3 | 1N5817 | SS14 |
 | D4 | 1N5235 | do not place | part of (unused) noise circuit; do not place | | D4 | 1N5235 | do not place | part of (unused) noise circuit; do not place |
 +| D5 | 1N5817 | SS14 | optional |
 +| D6 | 1N5817 | SS14 | optional |
 | IC2 | LM2733X | LM2731Y | Either part will work, but the 33X is not recommended for supplies less than 16v | | IC2 | LM2733X | LM2731Y | Either part will work, but the 33X is not recommended for supplies less than 16v |
 | L1 | 15 uH | 7.3 uH | Only change if using LM2731Y |  | L1 | 15 uH | 7.3 uH | Only change if using LM2731Y | 
/home/ladyada/public_html/wiki/data/attic/wavebubble/errata.1196095676.txt.gz · Last modified: 2016/01/28 18:05 (external edit)