├── .gitignore ├── assembly.svg ├── board.brd ├── board.sch ├── bom.tsv └── readme.md /.gitignore: -------------------------------------------------------------------------------- 1 | *.b#* 2 | *.s#* 3 | -------------------------------------------------------------------------------- /assembly.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 1107 | -------------------------------------------------------------------------------- /bom.tsv: -------------------------------------------------------------------------------- 1 | Name Vendor Part number Count Identifier 2 | 12.288 MHz crystal Digikey XC1771CT-ND 1 Y2 3 | 8 MHz crystal Digikey XC1271CT-ND 1 Y1 4 | Power switcher Digikey 296-34595-5-ND 1 U1 5 | Encoder wheel Digikey P13381SCT-ND 1 S2 6 | 8-bit shift register Digikey 568-2263-1-ND 1 U6 7 | Green LED (1206) Digikey 160-1169-1-ND 8 LED1-8 8 | 2.8V buck regulator Digikey LM3671MF-2.8/NOPBCT-ND 1 U5 9 | 3.3V buck regulator Digikey LM3671MF-3.3/NOPBCT-ND 1 U4 10 | 2.2uH inductor Digikey 541-1236-1-ND 2 L1, L2 11 | Slide switch Digikey 401-1999-1-ND 1 S1 12 | MicroSD holder Digikey 732-3819-1-ND 1 U3 13 | USB mini plug Digikey ED2992CT-ND 1 JP1 14 | Audio jack Digikey CP-3523SJCT-ND 1 U7 15 | 6-pin FTDI header Digikey A106757-ND 1 JP2 16 | 6-pin SPI header Digikey A106478-ND 1 J1 17 | Atmega32u4 Digikey ATMEGA32U4-AURCT-ND 1 U9 18 | Max1555 charger Digikey MAX1555EZK+TCT-ND 1 U2 19 | 20 | 10 Ohm 0603 resistor Digikey P10GCT-ND 3 R17, R18, R19 21 | 22 Ohm 0603 resistor Digikey P22GCT-ND 2 R1, R2 22 | 75 Ohm 0603 resistor Digikey P75GCT-ND 8 R24-31 23 | 100 Ohm 0603 resistor Digikey P100GCT-ND 2 R20, R21 24 | 392 Ohm 0603 resistor Digikey P392HCT-ND 1 R5 25 | 10 Kohm 0603 resistor Digikey P10KGCT-ND 7 R3, R4, R10, R11, R22, R23 26 | 100 Kohm 0603 resistor Digikey P100KGCT-ND 5 R7, R12,R13, R14, R16 27 | 1 MOhm 0603 resistor Digikey P1.0MGCT-ND 1 R15 28 | 29 | 33 pF 0603 capacitor Digikey 1276-2267-1-ND 4 C5, C6, C11, C12 30 | 10 nF 0603 capacitor Digikey 445-1311-1-ND 2 C28, C29 31 | 47 nF 0603 capacitor Digikey 445-1313-1-ND 1 C27 32 | 0.1 uF 0603 capacitor Digikey 445-1314-1-ND 12 C2, C3, C8, C15, C16, C17, C19, C20, C21, C22, C23, C24, C25 33 | 1 uF 0603 capacitor Digikey 445-1322-1-ND 4 C4, C7, C18, C26 34 | 4.7 uF 0603 capacitor Digikey 445-5178-1-ND 2 C9, C10 35 | 10 uF 0603 capacitor Digikey 445-4112-1-ND 5 C1, C13, C14, C30, C31 36 | 37 | 1000 mAh Lithium battery Sparkfun PRT-00339 1 JP3 38 | MP3 codec Sparkfun COM-09398 1 U8 39 | -------------------------------------------------------------------------------- /readme.md: -------------------------------------------------------------------------------- 1 | ## About 2 | 3 | This repository contains hardware for the [bumpy](http://mattkeeter.com/projects/bumpy) 4 | mp3 player. 5 | 6 | ## License 7 | 8 | Copyright (c) 2014 Matthew Keeter 9 | 10 | Permission is hereby granted, free of charge, to any person obtaining a copy of this hardware, software, and associated documentation files (the "Product"), to deal in the Product without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Product, and to permit persons to whom the Product is furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Product. 13 | 14 | THE PRODUCT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE PRODUCT OR THE USE OR OTHER DEALINGS IN THE PRODUCT. 15 | --------------------------------------------------------------------------------