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wavebubble:errata [2007/11/26 16:29]
bushing
wavebubble:errata [2011/07/28 04:42]
lcstyle
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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 errate 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=3409 +
-  * http://​www.ladyada.net/​forums/​viewtopic.php?​t=3225 +
-  * 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 ====
Line 22: Line 23:
 | C52 | ? | 1 uF 1206 | | C52 | ? | 1 uF 1206 |
 | C53 | ? | .1 uF 1206 | | C53 | ? | .1 uF 1206 |
 +| C62 | 0pF | do not place |
 | C63 | ? | 1pF 0603 | | C63 | ? | 1pF 0603 |
 | C77 | ? | 4.7uF or 1uF, 0603 | Power supply filter cap; 4.7uF part is difficult to get in 0603, 1uF is ok | | C77 | ? | 4.7uF or 1uF, 0603 | Power supply filter cap; 4.7uF part is difficult to get in 0603, 1uF is ok |
 | 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 | 
Line 45: Line 52:
 | R27 | 0 ohms | ferrite bead | | R27 | 0 ohms | ferrite bead |
 | R28 | 0 ohms | ferrite bead | | R28 | 0 ohms | ferrite bead |
 +| R31 | 0 ohms | do not place |
 | R90 | 100K | do not place | part of (unused) noise circuit; do not place | | R90 | 100K | do not place | part of (unused) noise circuit; do not place |
  
 ===== Misc ===== ===== Misc =====
 The silkscreened part numbers for the tiled Gerbers are incorrect; see http://​www.ladyada.net/​forums/​viewtopic.php?​t=4143 for more info. The silkscreened part numbers for the tiled Gerbers are incorrect; see http://​www.ladyada.net/​forums/​viewtopic.php?​t=4143 for more info.
/home/ladyada/public_html/wiki/data/pages/wavebubble/errata.txt · Last modified: 2016/01/28 18:05 (external edit)