
Hub usb sd
dougsthenri/hub_usb_sd
PCB project for an SD card reader with 2-port USB hub and I²C bridge

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REV1.0.0 KGWIAB GS Dali-2 is an open-source printed circuit board by GroundStudio, from the GroundStudio/GroundStudio_Dali-2 repository on GitHub. It is a 2-layer board of 14.7 × 15.7 mm with 13 parts on 13 nets, routed with 91 tracks and 47 vias.
It is built around the TCLT1000, BGX50AE6327 and MMBT2222A-TP. Its parts include 5 resistors, 2 ICs, 2 diodes, 1 transistor and 1 connector.
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This module can be used to convert the logic signal of a microcontroller from 5V to DALI bus level (9.5 V - 22.5 V) and control lighting systems compatible with the DALI-2 communication protocol.
It can be used together with a development board to control smart lighting systems that use the Dali-2 standard.
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This is released under the Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license. You are welcome to use this for commercial purposes.
Please consider contributing back to this project or others to help the open-source hardware community continue to thrive and grow!
Certifications:
| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | TCLT1000 | GS_Local:SOP-4_P2.54_300mil | U1, U2 |
| 1 | 10k | GS_Local:R_0402_alt | R5 |
| 1 | 120 | GS_Local:R_0402_alt | R2 |
| 1 | 1k | GS_Local:R_0402_alt | R4 |
| 1 | 2.2k | GS_Local:R_0402_alt | R3 |
| 1 | 330 | GS_Local:R_0402_alt | R1 |
| 1 | BGX_50A_E6327 | GS_Local:SOT-143 | D1 |
| 1 | Conn_01x06 | GS_Local:PinHeader_1x06_P2.54mm_Vertical_Male | J1 |
| 1 | D_Zener | GS_Local:SOD-523 | D2 |
| 1 | LOGO | GS_Branding:GS_.Dali-2_10.3x3.2 | G*** |
| 1 | LOGO | GS_Branding:GS_Logo2_3x3 | G*** |
| 1 | MMBT2222A-TP | GS_Local:SOT-23-3 | Q1 |
It measures 14.7 × 15.7 mm and has 2 copper layers, 1.6 mm thick.
13 parts, built around the TCLT1000, BGX50AE6327 and MMBT2222A-TP. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the GroundStudio/GroundStudio_Dali-2 repository on GitHub, at the commit this page was made from: the board is Hardware/REV1.0.0 - Kicad6/REV1.0.0 KGWIAB_GS Dali-2.kicad_pcb and its schematic Hardware/REV1.0.0 - Kicad6/REV1.0.0 KGWIAB_GS Dali-2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask GroundStudio before reusing the design.

dougsthenri/hub_usb_sd
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