a fancy pants keyboard i'm making
docs: make bom cheaper
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README.md
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README.md
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| SuperMini NRF52840 (Nice!Nano footprint) | 2 | `$8.08` | [AliExpress](https://www.aliexpress.us/item/3256805848952479.html) | Wireless Microcontroller | `$4.04` per MCU |
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| 301230 3.7V 110mAh LiPo Battery | 2 | `$7.50` | [AliExpress](https://www.aliexpress.us/item/2255799987926232.html) | the non jst ones are cheaper but the crimper is 60 bucks and there is no way im buying that | `$3.75` per battery |
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| Diodes | 42 | `$0.99` | [Aliexpress](https://www.aliexpress.us/item/2255800939822415.html) | 1N4148 | `$0.01` per diode |
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| Machine Pins | 1 | `$6.84` | [AliExpress](https://www.aliexpress.us/item/2251832672116019.html) | 26x2 needed to socket the two MCUs | comes in a 100 pack of 4 per header |
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| Machine Sockets 2.54mm | 1 | `$3.65` | [AliExpress](https://www.aliexpress.us/item/2251832794091942.html) | 26x2 needed to socket the two MCUs | comes in a 10 pack of 40x1 rows |
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| Total cost: `$24.59` + `$13.96` shipping | | | | | |
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| Machine Pins | 1 | `$0.99` | [AliExpress](https://www.aliexpress.us/item/3256805556329561.html) | 26x2 needed to socket the two MCUs | comes in a 100 pack of 4 per header |
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| Total cost: `$14.10` + `$6.52` shipping | | | | | |
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| 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 |
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| 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 |
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| Total cost: `$1.96` + `$8.15` tarrif/sales tax/shipping | i cant find good matches for these on ali and shipping is ridiculous rn as well | | | | |
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| Machine Sockets 2.54mm | 1 | `$7.35` | [Amazon](https://www.amazon.com/dp/B08Y8RB4BH) | 26x2 needed to socket the two MCUs | comes in a 10 pack of 40x1 rows |
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Total cost: `$134.10`
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Total cost: `$123.52`
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### Shipping / Tax / Tariffs / Per store shopping list
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| Store | Shipping | Subtotal | Total | Items |
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| ---------- | ----------------------------- | -------- | -------- | --------------------------------------------------------------------------------- |
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| AliExpress | `$13.96` | `$24.59` | `$38.55` | 2x SuperMini NRF52840, Machine Sockets, Machine Pins, 2x LiPo Battery, 42x diodes |
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| DigiKey | `$8.15` (tarrifs and tax too) | `$1.96` | `$10.11` | 4x Power Switch, 4x JST Connector |
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| Chosfox | `$8` | `$48.70` | `$56.70` | 50x Choc v1 switches, 40x 1u keycaps, 2x 1u homing keycaps, 2x 1.5u keycaps |
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| JLCPCB | `$13.04` | `$15.70` | `$28.74` | 1x PCB |
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| Store | Shipping | Subtotal | Total | Items |
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| ---------- | ----------------------------- | -------- | -------- | --------------------------------------------------------------------------- |
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| AliExpress | `$6.52` | `$14.20` | `$20.62` | 2x SuperMini NRF52840, Machine Pins, 2x LiPo Battery, 42x diodes |
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| DigiKey | `$8.15` (tarrifs and tax too) | `$1.96` | `$10.11` | 4x Power Switch, 4x JST Connector |
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| Chosfox | `$8` | `$48.70` | `$56.70` | 50x Choc v1 switches, 40x 1u keycaps, 2x 1u homing keycaps, 2x 1.5u keycaps |
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| JLCPCB | `$13.04` | `$15.70` | `$28.74` | 1x PCB |
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| Amazon | `$0` | `7.35` | `$7.35` | machine sockets |
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## Schematics
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