a fancy pants keyboard i'm making

docs: organize bom

dunkirk.sh f02b34dc 36edf704

verified
+18 -11
+18 -11
README.md
··· 9 9 10 10 | Part | Quantity | Price | Link | Description | Notes | 11 11 | --- | --- | --- | --- | --- | --- | 12 - | SuperMini NRF52840 (Nice!Nano footprint) | 2 | `$4.15` | [AliExpress](https://www.aliexpress.us/item/3256805848952479.html) | Wireless Microcontroller | | 12 + | PCB | 1 | `$25.15` | [JLCPCB](https://jlcpcb.com) | 2-layer, 1.6mm, black, leaded Hasl | I wanted to get ENIG but that bumped the price by `$20` | 13 + | | | | | | | 14 + | Choc v1 switches | 50 | `$27.50` | [Chosfox](https://chosfox.com/products/kailh-chocs?variant=42514648006850) | pink variant: `20+-5 gf` linear | `$0.55` per switch | 15 + | | | | | | | 16 + | 1u keycaps | 40 | `$14.00` | [Chosfox](https://chosfox.com/collections/low-profile-keycaps/products/chocfox-cfx-choc-keycaps) | White PBT low profile | `$0.35` per keycap | 17 + | 1u homing keycaps | 2 | `$0.80` | [Chosfox](https://chosfox.com/collections/low-profile-keycaps/products/chocfox-cfx-choc-keycaps) | White PBT low profile | `$0.40` per keycap | 18 + | 1.75u keycaps | 2 | `$1.65` | [Chosfox](https://chosfox.com/collections/low-profile-keycaps/products/chocfox-cfx-choc-keycaps) | White PBT low profile | `$0.83` per keycap | 19 + | Total cost: `$16.45` | | | | average of `$0.41` per keycap | | 20 + | | | | | | | 21 + | SuperMini NRF52840 (Nice!Nano footprint) | 2 | `$8.30` | [AliExpress](https://www.aliexpress.us/item/3256805848952479.html) | Wireless Microcontroller | `$4.15` per MCU | 22 + | | | | | | | 13 23 | Machine Sockets 2.54mm | 1 | `$1.75` | [AliExpress](https://www.aliexpress.us/item/2251832794091942.html) | 26x2 needed to socket the two MCUs | comes in a 10 pack of 40x1 rows | 14 24 | Machine Pins | 1 | `$3.99` | [AliExpress](https://www.aliexpress.us/item/2251832672116019.html) | 26x2 needed to socket the two MCUs | comes in a 100 pack of 4 per header | 15 - | Power Switch | 4 | `$0.39` | [DigiKey](https://www.digikey.com/en/products/detail/same-sky-formerly-cui-devices/SLW-1277744-3A-N-D/24399208) | one for each half | added an extra switch for each side as backup | 16 - | JST PH 2.0mm 2-pin Connector | 4 | `$0.10` | [DigiKey](https://www.digikey.com/en/products/detail/jst-sales-america-inc/S2B-PH-K-S/926626) | for battery connection | | 17 - | 301230 3.7V 110mAh LiPo Battery | 2 | `$6.30` | [AliExpress](https://www.aliexpress.us/item/3256805162053912.html) | comes pre jst ph-ifised | two lot | 18 - | PCB | 1 | `$25.15` | [JLCPCB](https://jlcpcb.com) | 2-layer, 1.6mm, black, leaded Hasl | I wanted to get ENIG but that bumped the price by `$20` | 19 - | Diodes | 42 | `$1.43` | [DigiKey](https://www.digikey.com/en/products/detail/diotec-semiconductor/1N4148/13164514) | 1N4148 | | 20 - | Choc v1 switches | 50 | `$27.50` | [Chosfox](https://chosfox.com/products/kailh-chocs?variant=42514648006850) | pink variant: `20+-5 gf` linear | | 21 - | 1u keycaps | 40 | `$14.00` | [Chosfox](https://chosfox.com/collections/low-profile-keycaps/products/chocfox-cfx-choc-keycaps) | White PBT low profile | | 22 - | 1u homing keycaps | 2 | `$0.80` | [Chosfox](https://chosfox.com/collections/low-profile-keycaps/products/chocfox-cfx-choc-keycaps) | White PBT low profile | | 23 - | 1.75u keycaps | 2 | `$1.65` | [Chosfox](https://chosfox.com/collections/low-profile-keycaps/products/chocfox-cfx-choc-keycaps) | White PBT low profile | | 25 + | Power Switch | 4 | `$0.39` | [DigiKey](https://www.digikey.com/en/products/detail/same-sky-formerly-cui-devices/SLW-1277744-3A-N-D/24399208) | added an extra switch for each side as backup | `$0.10` per switch | 26 + | JST PH 2.0mm 2-pin Connector | 4 | `$0.40` | [DigiKey](https://www.digikey.com/en/products/detail/jst-sales-america-inc/S2B-PH-K-S/926626) | | `$0.10` per connector | 27 + | Diodes | 42 | `$1.43` | [DigiKey](https://www.digikey.com/en/products/detail/diotec-semiconductor/1N4148/13164514) | 1N4148 | `$0.03` per diode | 28 + | Total cost: `$7.66` | | | | | | 29 + | | | | | | | 30 + | 301230 3.7V 110mAh LiPo Battery | 2 | `$6.30` | [AliExpress](https://www.aliexpress.us/item/3256805162053912.html) | the non jst ones are cheaper but the crimper is 60 bucks and there is no way im buying that | `$3.15` per battery | 24 31 25 32 Total cost: `$85.11` 26 33 27 - ### Store breakdown 34 + ### Shipping / Tax / Tariffs / Per store shopping list 28 35 29 36 | Store | Shipping | Subtotal | Total | Items | 30 37 | --- | --- | --- | --- | --- |