{"id":28211785,"url":"https://github.com/jbilander/sdbox-v3","last_synced_at":"2026-02-15T01:34:39.616Z","repository":{"id":292865851,"uuid":"982032946","full_name":"jbilander/SDBox-v3","owner":"jbilander","description":"A parallel to Pico 2 W and sd-card project for the 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unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2025-05-17T18:10:02.861Z","updated_at":"2026-02-15T01:34:39.611Z","avatar_url":"https://github.com/jbilander.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"# SDBox-v3\nA parallel to Pico 2 W and sd-card project for the Amiga\n\n***\n\nFirmware for this project with support for a blinking activity LED can be built from source here:\u003cbr /\u003e\nhttps://github.com/jbilander/amiga-par-to-spi-adapter/tree/master/rp2350\n\n***\n\n\u003ca href=\"images/SDBox-v3_pic5.png\"\u003e\n\u003cimg src=\"images/SDBox-v3_pic5.png\" width=\"310\" height=\"410\"\u003e\n\u003c/a\u003e\n\u003ca href=\"images/SDBox-v3_pic6.png\"\u003e\n\u003cimg src=\"images/SDBox-v3_pic6.png\" width=\"310\" height=\"410\"\u003e\n\u003c/a\u003e\n\n\n***\n\n\u003ca href=\"images/SDBox-v3_pic1.jpg\"\u003e\n\u003cimg src=\"images/SDBox-v3_pic1.jpg\" width=\"776\" height=\"582\"\u003e\n\u003c/a\u003e\n\n***\n\n\u003ca href=\"images/SDBox-v3_pic2.jpg\"\u003e\n\u003cimg src=\"images/SDBox-v3_pic2.jpg\" width=\"256\" height=\"192\"\u003e\n\u003c/a\u003e\n\u003ca href=\"images/SDBox-v3_pic3.jpg\"\u003e\n\u003cimg src=\"images/SDBox-v3_pic3.jpg\" width=\"256\" height=\"192\"\u003e\n\u003c/a\u003e\n\u003ca href=\"images/SDBox-v3_pic4.jpg\"\u003e\n\u003cimg src=\"images/SDBox-v3_pic4.jpg\" width=\"256\" height=\"192\"\u003e\n\u003c/a\u003e\n\n***\nBOM Rev. 3C\n---------\nsame as 3B but with these changes:\nReference  | Name/Value   | Package | Notes\n-|-|-|-|\nBT1 | Push button | Sunrom_Tactile_Switch_3x4x2mm_SMD_2-Pin | [Aliexpress](https://www.aliexpress.com/item/4001107238344.html)\nD1-D2 (Optional) | SMD LED | 0603 | [Aliexpress](https://www.aliexpress.com/item/1005003836509392.html)\nR1 (Optional) | 1k Ω | 0805 | (Mandatory if D1 populated) Series resistor for D1 LED, adjust R-value to your type of LED and preferred brightness\nR2 (Optional) | 1k Ω | 0805 | (Mandatory if D2 populated) Series resistor for D2 LED, adjust R-value to your type of LED and preferred brightness\n\n***\n\nBOM Rev. 3B\n---------\nReference  | Name/Value   | Package | Notes\n-|-|-|-|\nU1 | Raspberry Pi Pico 2 W | SC1633 (without header) | [RPi Pico 2 W](https://www.mouser.com/ProductDetail/358-SC1633)\nU2 | SN74CBT16210 | TSSOP-48 6.1x12.5mm_P0.5mm | 20-BIT FET Bus switch with level shifting, high-speed TTL-compatible. [SN74CBT16210CDGGR ](https://www.mouser.com/ProductDetail/595-SN74CBT16210CDGG)\nJ1 | DB25_Male | DSUB-25_Male_EdgeMount_P2.77mm| DB25 Male [Aliexpress](https://www.aliexpress.com/item/1005006354086316.html)\nJ2 | Sunrom Micro SD Card Holder | 9-pin Micro SD card slot connector | Sunrom Micro-SD [Aliexpress](https://www.aliexpress.com/item/32802051702.html)\nJ3 | (Optional) UART0 PinHeader | 5-pin 2.54 mm pitch single row | Optional 5V-tolerant header for UART0 (TX on GP12, RX on GP13) \nJP1 | (Optional) PinHeader/Jumper shunt | 2-pin 2.54 mm pitch single row | Jumper on connects Amiga /RESET signal together with RUN-pin (pin 30) on Pico 2 W, resets pico on Ctrl-A-A\nD1 (Optional) | LED Square 2x5x7mm | PinHeader_1x02_P2.54mm_Vertical, pin pitch 2.54 mm | Power LED indicator [Aliexpress](https://www.aliexpress.com/item/1005006220921860.html)\nD2 (Optional) | LED Square 2x5x7mm | PinHeader_1x02_P2.54mm_Vertical, pin pitch 2.54 mm | Activity LED indicator [Aliexpress](https://www.aliexpress.com/item/1005006220921860.html)\nD3 | MMDL6050T1G Small Signal Switching Diode 200mA | SOD-323 | [MMDL6050T1G](https://www.mouser.com/ProductDetail/863-MMDL6050T1G)\nR1 (Optional) | 4.7k Ω | 0805 | (Mandatory if D1 populated) Series resistor for D1 LED, adjust R-value to your type of LED and preferred brightness\nR2 (Optional) | 220 Ω | 0805 | (Mandatory if D2 populated) Series resistor for D2 LED, adjust R-value to your type of LED and preferred brightness\nR3 (Optional) | 10k Ω | 0603 | Pull-up for /STROBE signal, not currently used\nR4 | 2.9k - 3k Ω | 0603 | Resistor for dummy loading D3 to achieve steady 0.6-0.7V VCC drop resulting in ~4.3V power supply to U2 [CR0603-FX-2941ELF](https://www.mouser.com/ProductDetail/652-CR0603FX-2941ELF)\nRN1, RN2 | CAY16-103J4LF RES ARRAY 4 Resistors 10k Ω | 1206 | [CAY16-103J4LF](https://www.mouser.com/ProductDetail/652-CAY16-103J4LF)\nRN3 | A103J | Bussed Resistor Network Array SIP-9 | Pull-up resistors for data lines, 9PIN-10K [Aliexpress](https://www.aliexpress.com/item/1005006954621214.html)\nC1 | Capacitor 10uF | 1206 | \nC2 | Capacitor 0.1uF = 100nF | 0805 | \nC3 | Capacitor 0.1uF = 100nF | 0603 |\nHousing | 2 x Plastic Shell Cover | For DB25 plug | [Aliexpress](https://www.aliexpress.com/item/1005004717091904.html)\n2 x PinHeader | PinHeader Board Weight/Level Support | 3-pin 2.54 mm pitch single row | Move the plastic guard to leave ~7.5 mm of pin before soldering in order to hold board in perfect level\n\n***\n\nWhen ordering from JLCPCB select:\n\nSpecify Layer Sequence: Yes\n\n    L1(Top layer):    F_Cu.gbr\n    L2(Inner layer1): GND_Cu.gbr\n    L3(Inner layer2): VCC_Cu.gbr\n    L4(Bottom layer): B_Cu.gbr\n\nRemove Order Number: \n\n    Specify a location\n\nThis will notify JLC where to put the order number, they will replace the \"JLCJLCJLCJLC\" silkscreen label.\n\n***\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjbilander%2Fsdbox-v3","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjbilander%2Fsdbox-v3","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjbilander%2Fsdbox-v3/lists"}