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an updated BOM with no obselete parts

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@ -7,91 +7,106 @@ created_at: 2025-6-14
I want to make a custom portable music player that had a general fox theme I want to make a custom portable music player that had a general fox theme
i would love to try and incorparate somekind of celluar so it can always be used as well as headphone and bluetooth compatiabilty. It of course needs to be able to play spotify songs and i would love if i can make it select playlist you may have! I am also looking at adding in a music player so that you can download songs directly and use that instead of spotify (if you dont have premium or yours songs just arent on spotify) i would love to try and incorparate somekind of celluar so it can always be used as well as headphone and bluetooth compatiabilty. It of course needs to be able to play spotify songs and i would love if i can make it select playlist you may have! I am also looking at adding in a music player so that you can download songs directly and use that instead of spotify (if you dont have premium or yours songs just arent on spotify)
![first drawing](image.png)
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Currently researching parts Currently researching parts
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# Foxify Portable Music Player - Complete Bill of Materials # Foxify Portable Music Player - BOM
## Core Processing & Connectivity ### Core Processing & Connectivity
| Component | Part Number | Manufacturer | Qty | Unit Cost | Total | Purchase Links | 3D Models | Notes | | **Component** | **Part Number** | **Manufacturer** | **Qty** | **Unit Cost** | **Total** | **Lead Time** | **LCSC Part #** | **Purchase Links** | **CAD Models** | **Notes** |
|-----------|-------------|--------------|-----|-----------|-------|----------------|-----------|-------| |---------------|-----------------|------------------|---------|---------------|-----------|---------------|-----------------|-------------------|----------------|-----------|
| **Main MCU Module** | ESP32-S3-WROOM-1-N16R8 | Espressif | 1 | $3.90 | $3.90 | [Digi-Key](https://www.digikey.com/en/products/detail/espressif-systems/ESP32-S3-WROOM-1-N16R8/16162642) • [LCSC $3.75](https://lcsc.com/product-detail/WiFi-Modules_Espressif-Systems-ESP32-S3-WROOM-1-N16R8_C2913202.html) | [SnapEDA](https://www.snapeda.com/parts/ESP32-S3-WROOM-1-N16R8/Espressif%20Systems/view-part/) • [Ultra Librarian](https://app.ultralibrarian.com/details/43a856eb-9b99-11ee-b2d2-0ae0a3b49db5/Espressif-Systems/ESP32-S3-WROOM-1-N16R8) | 16MB Flash, 8MB PSRAM, WiFi/BT | | **Main MCU** | ESP32-S3-WROOM-1-N16R8 | Espressif | 1 | $3.75 | $3.75 | 1-3 days | C2913202 | [LCSC](https://lcsc.com/product-detail/WiFi-Modules_Espressif-Systems-ESP32-S3-WROOM-1-N16R8_C2913202.html) • [DigiKey](https://www.digikey.com/en/products/detail/espressif-systems/ESP32-S3-WROOM-1-N16R8/16162642) | [Ultra Librarian](https://app.ultralibrarian.com/details/43a856eb-9b99-11ee-b2d2-0ae0a3b49db5/Espressif-Systems/ESP32-S3-WROOM-1-N16R8) • [SnapEDA](https://www.snapeda.com/parts/ESP32-S3-WROOM-1-N16R8/Espressif%20Systems/view-part/) | 16MB Flash, 8MB PSRAM |
| **Cellular Module** | EG25-G | Quectel | 1 | $48.00 | $48.00 | [Contact Quectel Direct](https://www.quectel.com/product/lte-eg25-g/) • [FriendlyELEC $45](https://www.friendlyelec.com/index.php?route=product/product&product_id=265) | [Quectel CAD Library](https://www.quectel.com/product/lte-eg25-g/) | **EC25-G discontinued**, EG25-G replacement | | **Cellular Module** | EG25-G | Quectel | 1 | $49.99 | $49.99 | 5-10 days | External Source | [M2MSupport](https://m2msupport.net/m2msupport/product/quectel-wireless-eg25-g-4g-lte-lcc-module/) • [Amazon](https://www.amazon.com/Generic-Quectel-EG25-G-Cellular-M2M-optimized/dp/B0CVQ2YLQQ) | [Quectel CAD](https://www.quectel.com/product/lte-eg25-g/) | LTE Cat 4, Global bands |
| **SIM Card Connector** | 2174803-2 | TE Connectivity | 1 | $1.95 | $1.95 | [Digi-Key](https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/2174803-2/5664600) • [Mouser](https://www.mouser.com/ProductDetail/571-2174803-2) | [TE Connectivity CAD](https://www.te.com/usa-en/product-2174803-2.html) | | | **SIM Connector** | 2174803-2 | TE Connectivity | 1 | $1.95 | $1.95 | 2-5 days | External Source | [DigiKey](https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/2174803-2/5664600) • [Mouser](https://www.mouser.com/ProductDetail/571-2174803-2) | [TE Connectivity](https://www.te.com/usa-en/product-2174803-2.html) | Nano SIM push-push socket |
| **Cellular Antenna** | FXP73.07.0100A | Taoglas | 1 | $4.04 | $4.04 | [Digi-Key](https://www.digikey.com/product-detail/en/taoglas-limited/FXP73.07.0100A/931-1076-ND/2332703) • [Newark](https://canada.newark.com/taoglas/fxp73-07-0100a/pcb-antenna-2-4835ghz-2-5dbi/dp/72AC5759) | [Octopart](https://octopart.com/fxp73.07.0100a-taoglas-19249590) | Flexible LTE/3G/2G antenna, 100mm | | **Cellular Antenna** | FXP73.07.0100A | Taoglas | 1 | $4.04 | $4.04 | 3-7 days | External Source | [DigiKey](https://www.digikey.com/product-detail/en/taoglas-limited/FXP73.07.0100A/931-1076-ND/2332703) | [Octopart](https://octopart.com/fxp73.07.0100a-taoglas-19249590) | Flexible LTE antenna, 100mm cable |
| **WiFi/BT Antenna** | 2450AT18A100 | Johanson | 1 | $1.20 | $1.20 | [Digi-Key](https://www.digikey.com/en/products/detail/johanson-technology/2450AT18A100/1560836) • [Mouser](https://www.mouser.com/ProductDetail/Johanson-Technology/2450AT18A100) | Johanson CAD Library | 2.4GHz chip antenna | | **WiFi/BT Antenna** | 2450AT18A100 | Johanson | 1 | $1.20 | $1.20 | 1-3 days | External Source | [DigiKey](https://www.digikey.com/en/products/detail/johanson-technology/2450AT18A100/1560836) | Johanson Library | 2.4GHz chip antenna |
**Subtotal: $59.09** **Subtotal: $60.93**
## Audio System ---
| Component | Part Number | Manufacturer | Qty | Unit Cost | Total | Purchase Links | 3D Models | Notes | ### Audio System (REDESIGNED)
|-----------|-------------|--------------|-----|-----------|-------|----------------|-----------|-------|
| **Audio Codec** | WM8960CGEFL/V | Cirrus Logic | 1 | $4.89 | $4.89 | [Octopart Search](https://octopart.com/wm8960cgefl/rv-cirrus+logic-53059078) • [Xecor](https://www.xecor.com/product/wm8960cgefl-rv) | [Ultra Librarian 22+ formats](https://app.ultralibrarian.com/details/43a856eb-9b99-11ee-b2d2-0ae0a3b49db5/Espressif-Systems/ESP32-S3-WROOM-1-N16R8) • [SnapEDA $29](https://www.snapeda.com/) | **V variant replaces discontinued /RV** |
| **Audio Jack** | SJ1-3533NG | CUI Devices | 1 | $1.43 | $1.43 | [Digi-Key](https://www.digikey.com/en/products/detail/cui-devices/SJ1-3533NG/738701) • [Mouser $1.70](https://www.mouser.com/ProductDetail/179-SJ1-3533NG) | [SnapEDA](https://www.snapeda.com/parts/SJ1-3533NG/CUI+Devices/view-part/) • [CUI Official](https://www.cuidevices.com/product/interconnect/connectors/audio-connectors/jacks/sj1-3533ng) | 3.5mm TRRS jack with detection |
| **Speaker** | CSS-40408N | CUI Devices | 1 | $4.25 | $4.25 | [SameSky $4.25](https://www.sameskydevices.com/product/audio/speakers/miniature-(10-mm~40-mm)/css-40408n) • [RS Components](https://in.rsdelivers.com/product/cui-devices/cds-40288/cui-devices-6w-miniature-speaker-40mm-lead-length/2596138P) | [SameSky CAD Library](https://www.sameskydevices.com/product/audio/speakers/miniature-(10-mm~40-mm)/css-40408n) | |
| **Audio Capacitors** | Various | Murata/TDK | 8 | $0.15 | $1.20 | [Digi-Key Caps](https://www.digikey.com/en/products/filter/ceramic-capacitors/60) • [LCSC Bulk](https://lcsc.com/products/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT_1649.html) | Standard footprints | Low-ESR caps for audio filtering |
| **Ferrite Bead** | | | | | | | | Audio isolation |
**Subtotal: $11.77** | **Component** | **Part Number** | **Manufacturer** | **Qty** | **Unit Cost** | **Total** | **Lead Time** | **LCSC Part #** | **Purchase Links** | **CAD Models** | **Notes** |
|---------------|-----------------|------------------|---------|---------------|-----------|---------------|-----------------|-------------------|----------------|-----------|
| **Audio Codec** | ES8388 | Everest Semi | 1 | $0.51 | $0.51 | 1-3 days | C365736 | [LCSC](https://lcsc.com/product-detail/Codec-ICs_Everest-semi-Everest-Semiconductor-ES8388_C365736.html) | [LCSC Datasheet](https://datasheet.lcsc.com/lcsc/1912111437_Everest-semi-Everest-Semiconductor-ES8388_C365736.pdf) | ESP-ADF support |
| **Speaker Amp** | MAX98357AETE+T | Maxim/ADI | 1 | $1.06 | $1.06 | 1-3 days | C910544 | [LCSC](https://lcsc.com/product-detail/Audio-Power-OpAmps_Analog-Devices-Inc-Maxim-Integrated-MAX98357AETE-T_C910544.html) | [Analog Devices](https://www.analog.com/en/products/max98357a.html) | 3.2W Class D, I2S input |
| **Headphone Amp** | TPA6130A2RTJR | Texas Instruments | 1 | $2.85 | $2.85 | 3-7 days | External Source | [DigiKey](https://www.digikey.com/en/products/detail/texas-instruments/TPA6130A2RTJR/1213326) | [TI CAD Models](https://www.ti.com/product/TPA6130A2) | I2C controlled, 138mW/16Ω |
| **Audio Jack** | SJ1-3533NG | CUI Devices | 1 | $1.43 | $1.43 | 2-5 days | External Source | [DigiKey](https://www.digikey.com/en/products/detail/cui-devices/SJ1-3533NG/738701) | [CUI Official](https://www.cuidevices.com/product/interconnect/connectors/audio-connectors/jacks/sj1-3533ng) | 3.5mm TRRS with detection |
| **Speaker** | CSS-40408N | CUI Devices | 1 | $4.25 | $4.25 | 3-7 days | External Source | [SameSky](https://www.sameskydevices.com/product/audio/speakers/miniature-(10-mm~40-mm)/css-40408n) | [SameSky CAD](https://www.sameskydevices.com/product/audio/speakers/miniature-(10-mm~40-mm)/css-40408n) | 40mm 4Ω 3W speaker |
| **Audio Caps** | C0805C104K5RAC | KEMET | 8 | $0.08 | $0.64 | 1-2 days | C49678 | [LCSC](https://lcsc.com/product-detail/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT_KEMET-C0805C104K5RAC7210_C49678.html) | Standard 0805 | 0.1µF X7R coupling caps |
| **Ferrite Beads** | BLM18PG221SN1D | Murata | 4 | $0.022 | $0.088 | 1-3 days | C1042 | [LCSC](https://lcsc.com/product-detail/Ferrite-Beads_Murata-Electronics-BLM18PG221SN1D_C1042.html) | Standard 0603 | 220Ω@100MHz |
## Display & User Interface **Subtotal: $10.83**
| Component | Part Number | Manufacturer | Qty | Unit Cost | Total | Purchase Links | 3D Models | Notes | ---
|-----------|-------------|--------------|-----|-----------|-------|----------------|-----------|-------|
| **LCD Display** | | |||||||
| **Touch Controller** | FT6236 | FocalTech | 1 | $2.50 | $2.50 | [Datasheet4U](https://datasheet4u.com/datasheet-pdf/FocalTechSystems/FT6236/pdf.php?id=958370) • Contact Asian suppliers | Limited CAD availability | **Typically integrated in display modules** |
| **Display Connector** | FH12-24S-0.5SH(55) | Hirose | 1 | $1.68 | $1.68 | [Digi-Key](https://www.digikey.com/en/products/detail/hirose-electric-co-ltd/FH12-24S-0-5SH-55/1110322) • [Mouser](https://www.mouser.com/ProductDetail/Hirose-Electric/FH12-24S-0.5SH55) | [Hirose Official CAD](https://www.hirose.com/product/series/FH12) • [SamacSys](https://www.samacsys.com/category/3d-models/) | **Updated part - (55) variant** |
| **Touch Connector** | FH12-6S-0.5SH(55) | Hirose | 1 | $1.45 | $1.45 | [Digi-Key](https://www.digikey.com/en/products/detail/hirose-electric-co-ltd/FH12-10S-0.5SH-55/1110372) • [Octopart](https://octopart.com/fh12-6s-0.5sh(55)-hirose-39503285) | [Hirose Official CAD](https://www.hirose.com/product/series/FH12) | 6-pin 0.5mm FPC connector |
| **Tactile Buttons** | SKHHPKA010 | Alps | 4 | $0.95 | $3.80 | [Chip1Stop](https://www.chip1stop.com/USA/en/product/detail?partId=ALPS-0000143) • LCSC for volume | Alps CAD Library | Play/pause, prev, next, power |
| **Rotary Encoder** | PEC11R-4220F-S0024 | Bourns | 1 | $8.20 | $8.20 | [RS Components](https://uk.rs-online.com/web/p/mechanical-rotary-encoders/7377767) • [Digi-Key](https://www.digikey.com/en/products/detail/bourns-inc/PEC11R-4220F-S0024/1088313) | [Bourns Official](https://www.bourns.com/products/encoders/optical-encoders) | 24-pulse rotary encoder |
**Subtotal: $17.63** * ### Display & User Interface
## Power Management & Battery
| Component | Part Number | Manufacturer | Qty | Unit Cost | Total | Purchase Links | 3D Models | Notes | | **Component** | **Part Number** | **Manufacturer** | **Qty** | **Unit Cost** | **Total** | **Lead Time** | **LCSC Part #** | **Purchase Links** | **CAD Models** | **Notes** |
|-----------|-------------|--------------|-----|-----------|-------|----------------|-----------|-------| |---------------|-----------------|------------------|---------|---------------|-----------|---------------|-----------------|-------------------|----------------|-----------|
| **USB-C PD Controller** | IP5328P | Injoinic | 1 | $0.86 | $0.86 | [LCSC 4,780 stock](https://lcsc.com/product-detail/Others_IP5328P_C188809.html) • [Abra Electronics](https://abra-electronics.com/batteries-holders/battery-chargers-testers/xl-7001-ip5328p-3.7v-to-5v-9v-12v-step-up-fast-quick-charger-circuit-board-qc2.0-qc3.0.html) | [SnapEDA](https://www.snapeda.com/parts/IP5328P/Injoinic/view-part/) • [Datasheet4U](https://datasheet4u.com/datasheet/Injoinic/IP5328P-1261761) | Bidirectional USB-C up to 22.5W | | **LCD Display** | 3.2" ILI9341 SPI | Generic/HiLetgo | 1 | $12.99 | $12.99 | 7-14 days | External Source | [Amazon](https://www.amazon.com/XIITIA-Display-ILI9341-240x320-Screen/dp/B0CJJ13VX1) • [AliExpress](https://www.aliexpress.com/item/33015586094.html) | Generic ILI9341 | 320×240 resistive touch |
| **Battery** | | **Display Connector** | FH12-24S-0.5SH(55) | Hirose | 1 | $1.68 | $1.68 | 2-5 days | C283132 | [LCSC](https://lcsc.com/product-detail/FFC-FPC-Connectors_Hirose-Electric-FH12-24S-0-5SH-55_C283132.html) | [Hirose CAD](https://www.hirose.com/product/series/FH12) | 24-pin 0.5mm FPC |
| **USB-C Connector** | USB4105-GF-A-060 | Global Connector | 1 | $0.69 | $0.69 | [LCSC](https://lcsc.com/product-detail/usb-connectors_global-connector-technology-usb4105-gf-a-060_C3025063.html) • [Newark $1.89](https://www.newark.com/gct-global-connector-technology/usb4105-gf-a/usb-conn-2-0-type-c-rcpt-16pos/dp/86AH2021) | [SnapEDA](https://www.snapeda.com/parts/USB4105-GF-A/Global%20Connector%20Technology/view-part/) | USB-C receptacle, 5A/240W rating | | **Touch Connector** | FH12-6S-0.5SH(55) | Hirose | 1 | $1.45 | $1.45 | 2-5 days | C283048 | [LCSC](https://lcsc.com/product-detail/FFC-FPC-Connectors_Hirose-Electric-FH12-6S-0-5SH-55_C283048.html) | [Hirose CAD](https://www.hirose.com/product/series/FH12) | 6-pin 0.5mm FPC |
| **Fuel Gauge IC** | MAX17048G+T10 | Analog Devices | 1 | $2.01 | $2.01 | [Digi-Key](https://www.digikey.com/en/products/detail/maxim-integrated/MAX17048G-T10/3758921) • [Mouser 23k+ stock](https://www.mouser.com/ProductDetail/Analog-Devices-Maxim-Integrated/MAX17048G+T10?qs=D7PJwyCwLAoGnnn8jEPRBQ%3D%3D) | [SnapEDA](https://www.snapeda.com/parts/MAX17048G+T10/Analog%20Devices/view-part/) • [Analog Official](https://www.analog.com/en/products/max17048.html) | Battery capacity monitoring | | **Tactile Buttons** | SKHHPKA010 | Alps Alpine | 4 | $0.95 | $3.80 | 3-7 days | External Source | [LCSC](https://lcsc.com/product-detail/Tactile-Switches_ALPS-Electric-SKHHPKA010_C318884.html) | Alps Library | 6mm tactile switches |
| **Protection IC** | ||||||| Battery protection | | **Rotary Encoder** | PEC11R-4220F-S0024 | Bourns | 1 | $8.20 | $8.20 | 5-10 days | External Source | [DigiKey](https://www.digikey.com/en/products/detail/bourns-inc/PEC11R-4220F-S0024/1088313) | [Bourns Official](https://www.bourns.com/products/encoders/optical-encoders) | 24-pulse encoder with switch |
| **Power MOSFET** | AO3401A | Alpha & Omega | 2 | $0.44 | $0.88 | [Digi-Key](https://www.digikey.com/en/products/detail/alpha-omega-semiconductor-inc/AO3401A/1855773) • [LCSC bulk pricing](https://lcsc.com/product-detail/MOSFETs_Alpha-Omega-Semicon-AO3401A_C15127.html) | [SnapEDA](https://www.snapeda.com/) | P-channel 30V 4A protection switches |
| **Charging LED** | LTST-C19HE1WT | Lite-On | 4 | $0.12 | $0.48 | [Mouser 682k+ stock](https://www.mouser.com/ProductDetail/Lite-On/LTST-C19HE1WT) • [Digi-Key](https://www.digikey.com/en/products/detail/lite-on-inc/LTST-C19HE1WT/2208082) | Standard 0606 footprint | RGB battery level indicators |
| **Power Switch** | EG1218 | E-Switch | 1 | $0.95 | $0.95 | [Digi-Key](https://www.digikey.com/en/products/detail/e-switch/EG1218/101726) • [Mouser](https://www.mouser.com/ProductDetail/E-Switch/EG1218) | [SnapMagic](https://insights.snapmagic.com/syndication) • [Ultra Librarian](https://app.ultralibrarian.com/) | Main power slide switch |
**Subtotal: $5.96** **Subtotal: $28.12**
## Passive Components & Power ---
| Component | Part Number | Manufacturer | Qty | Unit Cost | Total | Description | ### Power Management & Battery
|-----------|-------------|--------------|-----|-----------|-------|-------------|
| **Capacitors 0805** | Various | Murata/Samsung | 50 | $0.08 | $4.00 | 0.1µF, 1µF, 10µF, 22µF |
| **Capacitors 1206** | Various | Murata/Samsung | 10 | $0.25 | $2.50 | 47µF, 100µF tantalum |
| **Resistors 0603** | Various | Yageo/Vishay | 40 | $0.03 | $1.20 | Various values |
| **Inductors** | Various | Murata/TDK | 6 | $0.35 | $2.10 | Power supply filtering |
| **Crystal** | NX5032GA-12.000000MHZ | NDK | 1 | $0.85 | $0.85 | 12MHz crystal for ESP32 |
| **LDO Regulators** | AP2112K-3.3TRG1 | Diodes Inc | 2 | $0.35 | $0.70 | 3.3V rails |
**Subtotal: $11.35** | **Component** | **Part Number** | **Manufacturer** | **Qty** | **Unit Cost** | **Total** | **Lead Time** | **LCSC Part #** | **Purchase Links** | **CAD Models** | **Notes** |
|---------------|-----------------|------------------|---------|---------------|-----------|---------------|-----------------|-------------------|----------------|-----------|
| **Battery Charger** | TP4056 | TPOWER | 1 | $0.049 | $0.049 | 1-2 days | C382139 | [LCSC](https://lcsc.com/product-detail/Battery-Management-ICs_TPOWER-TP4056_C382139.html) | [LCSC Datasheet](https://datasheet.lcsc.com/szlcsc/TPOWER-TP4056_C382139.pdf) | 1A Li-Ion charger |
| **USB-C PD Controller** | IP5328P | Injoinic | 1 | $5.50 | $5.50 | 7-14 days | External Source | [AliExpress](https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20230615074837&SearchText=IP5328P) | Custom footprint | PD 3.0 up to 18W |
| **Battery** | 18650 Li-Ion 3000mAh | Generic | 2 | $3.50 | $7.00 | 3-7 days | External Source | [Amazon](https://www.amazon.com/s?k=18650+battery+3000mah+protected) | Standard 18650 | Protected cells recommended |
| **USB-C Connector** | USB4105-GF-A-060 | Global Connector | 1 | $0.69 | $0.69 | 1-3 days | C3025063 | [LCSC](https://lcsc.com/product-detail/usb-connectors_global-connector-technology-usb4105-gf-a-060_c3025063.html) | [SnapEDA](https://www.snapeda.com/parts/USB4105-GF-A/Global%20Connector%20Technology/view-part/) | USB-C receptacle 5A rated |
| **Fuel Gauge** | MAX17048G+T10 | Maxim/ADI | 1 | $2.01 | $2.01 | 3-7 days | External Source | [DigiKey](https://www.digikey.com/en/products/detail/maxim-integrated/MAX17048G-T10/3758921) | [Maxim CAD](https://www.analog.com/en/products/max17048.html) | Battery monitoring IC |
| **Protection IC** | DW01+ | PJSEMI | 1 | $0.029 | $0.029 | 1-2 days | C686633 | [LCSC](https://lcsc.com/product-detail/Battery-Management_PJSEMI-DW01_C686633.html) | SOT-23-5 | Battery protection |
| **Power MOSFETs** | AO3401A | Alpha & Omega | 2 | $0.44 | $0.88 | 1-3 days | C15127 | [LCSC](https://lcsc.com/product-detail/MOSFETs_Alpha-Omega-Semicon-AO3401A_C15127.html) | SOT-23 | P-channel 30V 4A |
| **Status LEDs** | LTST-C19HE1WT | Lite-On | 4 | $0.12 | $0.48 | 1-3 days | C75588 | [LCSC](https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_Lite-On-LTST-C19HE1WT_C75588.html) | 0606 RGB | RGB status indicators |
| **Power Switch** | EG1218 | E-Switch | 1 | $0.95 | $0.95 | 3-7 days | External Source | [DigiKey](https://www.digikey.com/en/products/detail/e-switch/EG1218/101726) | E-Switch CAD | SPDT slide switch |
| **LDO Regulators** | AP2112K-3.3TRG1 | Diodes Inc | 2 | $0.35 | $0.70 | 1-3 days | C51118 | [LCSC](https://lcsc.com/product-detail/Linear-Voltage-Regulators-LDO_Diodes-Incorporated-AP2112K-3-3TRG1_C51118.html) | SOT-23-5 | 3.3V 600mA LDO |
**Subtotal: $18.30**
## Mechanical & Enclosure ---
| Component | Part Number | Manufacturer | Qty | Unit Cost | Total | Description | ### Passive Components & Support ICs
|-----------|-------------|--------------|-----|-----------|-------|-------------|
| **Gaskets** | Various | Custom | 4 | $0.50 | $2.00 | Sealing gaskets |
| **Screws** | M2.5×8mm | Various | 8 | $0.10 | $0.80 | Case assembly screws |
| **Standoffs** | Various | Keystone | 6 | $0.25 | $1.50 | PCB mounting standoffs |
**Subtotal: $4.30** | **Component** | **Part Number** | **Manufacturer** | **Qty** | **Unit Cost** | **Total** | **Lead Time** | **LCSC Part #** | **Purchase Links** | **CAD Models** | **Notes** |
|---------------|-----------------|------------------|---------|---------------|-----------|---------------|-----------------|-------------------|----------------|-----------|
| **Capacitors 0805 (0.1µF)** | C0805C104K5RAC | KEMET | 20 | $0.008 | $0.16 | 1-2 days | C49678 | [LCSC](https://lcsc.com/product-detail/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT_KEMET-C0805C104K5RAC7210_C49678.html) | Standard 0805 | Bypass capacitors |
| **Capacitors 0805 (1µF)** | C0805C105K5RAC | KEMET | 10 | $0.012 | $0.12 | 1-2 days | C28323 | [LCSC](https://lcsc.com/product-detail/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT_KEMET-C0805C105K5RAC7210_C28323.html) | Standard 0805 | Power filtering |
| **Capacitors 1206 (22µF)** | C1206C226K5RAC | KEMET | 6 | $0.25 | $1.50 | 1-2 days | C15008 | [LCSC](https://lcsc.com/product-detail/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT_KEMET-C1206C226K5RAC7800_C15008.html) | Standard 1206 | High-value ceramics |
| **Tantalum Caps (47µF)** | T491C476K010AT | KEMET | 4 | $0.45 | $1.80 | 2-5 days | External Source | [DigiKey](https://www.digikey.com/en/products/detail/kemet/T491C476K010AT/818059) | C-case tantalum | Audio coupling |
| **Resistors 0603 (10kΩ)** | RC0603FR-0710KL | Yageo | 30 | $0.003 | $0.09 | 1-2 days | C25804 | [LCSC](https://lcsc.com/product-detail/Chip-Resistor-Surface-Mount_Yageo-RC0603FR-0710KL_C25804.html) | Standard 0603 | General purpose |
| **Resistors 0603 (4.7kΩ)** | RC0603FR-074K7L | Yageo | 10 | $0.003 | $0.03 | 1-2 days | C23162 | [LCSC](https://lcsc.com/product-detail/Chip-Resistor-Surface-Mount_Yageo-RC0603FR-074K7L_C23162.html) | Standard 0603 | I2C pullups |
| **Crystal (12MHz)** | NX5032GA-12MHz | NDK | 1 | $0.85 | $0.85 | 2-5 days | C390763 | [LCSC](https://lcsc.com/product-detail/Crystals_NDK-NX5032GA-12-000000MHZ-LN-CD-1_C390763.html) | 5×3.2mm SMD | Main oscillator |
| **Inductors (1µH)** | MLZ2012M1R0WT000 | TDK | 4 | $0.35 | $1.40 | 1-3 days | C85953 | [LCSC](https://lcsc.com/product-detail/Inductors-SMD_TDK-MLZ2012M1R0WT000_C85953.html) | Standard 0805 | Power filtering |
-- **Subtotal: $5.95**
### **Total BOM Cost: $110.10** ---
### Mechanical & Enclosure
| **Component** | **Part Number** | **Manufacturer** | **Qty** | **Unit Cost** | **Total** | **Lead Time** | **LCSC Part #** | **Purchase Links** | **CAD Models** | **Notes** |
|---------------|-----------------|------------------|---------|---------------|-----------|---------------|-----------------|-------------------|----------------|-----------|
| **Screen Protector** | Custom Acrylic 3.2" | Ponoko/SendCutSend | 1 | $8.00 | $8.00 | 5-10 days | Custom | [Ponoko](https://www.ponoko.com/) • [SendCutSend](https://sendcutsend.com/) | Custom design | Laser-cut acrylic lens |
| **O-Ring Gaskets** | AS568-004 | Parker | 4 | $0.50 | $2.00 | 3-7 days | External Source | [McMaster-Carr](https://www.mcmaster.com/gaskets/) | McMaster CAD | Sealing gaskets |
| **Screws M2.5×8mm** | 91292A003 | McMaster-Carr | 8 | $0.10 | $0.80 | 2-5 days | External Source | [McMaster-Carr](https://www.mcmaster.com/91292A003/) | McMaster STEP | Stainless SHCS |
| **Standoffs M2.5×8mm** | 24308 | Keystone | 6 | $0.65 | $3.90 | 3-7 days | External Source | [DigiKey](https://www.digikey.com/en/products/detail/keystone-electronics/24308/280425) | Keystone 3D | Hex brass standoffs |
**Subtotal: $14.70**
---
**TOTAL: $146.83**
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still need battery & lcd have spent ~6 hours researching parts
have spent ~3 hours researching parts ~~~~~~~~~~~~~~
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