# Remaining Purple Sonic Screwdriver ## Description 10×10 mm 2-layer PCB with PCB-edge USB-A, top-insert push-push microSD, GL823K-HCY04 wired per datasheet, local decoupling within 5 mm, short parallel USB D+/D–, USB series resistors, TVS, ENIG gold fingers #USB #microSD #GL823K #10x10mm #ENIG ## Project Details - **Owner:** efekaan - **Created:** 12/15/2025 - **Last Updated:** 12/16/2025 - **Visibility:** Public - **Target Interface:** USB Type-A to SD / microSD (via GL823K) - **Reference Design URL:** https://www.genesyslogic.com/en/product/gl823k/ - **License:** http://solderpad.org/licenses/SHL-2.1/ - **Board Thickness:** 1.6mm - **ERC Status:** All ERC errors resolved; only expected airwires remain pending PCB routing. - **Power Requirements:** USB - **Board Finish:** ENIG Gold - **Connectivity:** USB - **Bus Type:** USB 2.0 - **Board Layers:** 2 - **Domain:** Consumer Electronics - **System Architecture:** flowchart TD USB_EDGE --> GL823K GL823K --> microSD_SOCKET - **Board Width:** 10mm - **Manufacturing Quantity Target:** 10 - **Design Focus:** USB Type-A SD card reader using GL823K bridge IC with datasheet-compliant decoupling and layout - **Board Height:** 10mm ## Key Components ### J1 — [1-292303-6](https://www.flux.ai/vasyl/1-292303-6.md) - Role: Connector - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=292303&DocType=Customer+Drawing&DocLang=English - Manufacturer Part Number: 1-292303-6 - Part Type: Connector - Role Details: USB-A male PCB-edge connector, pin1 VBUS, pin2 D-, pin3 D+, pin4 GND - Manufacturer Name: TE Connectivity AMP Connectors **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J1 — [USB-A Plug PCB](https://www.flux.ai/jharwinbarrozo/usb-a-plug-pcb.md) - Manufacturer Part Number: USB-A PCB Plug - Role Details: PCB-edge USB-A male connector - Role: Connector - Part Type: USB A **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 4] - VBUS [pin 1] ### J2 — [SD-RSMT-2-MQ-WF](https://www.flux.ai/adrian95/sd-rsmt-2-mq-wf.md) - Manufacturer Part Number: SD-RSMT-2-MQ-WF - Role: Connector - Datasheet URL: https://multimedia.3m.com/mws/media/421333O/3mtm-card-connector-sdtm-ts2198.pdf - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: 3M - Role Details: SD card socket **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] - CDI [pin CDI] - GND [pin G2] - GND [pin G1] - WP [pin WP] ### U1 — [GL823K-HCY04](https://www.flux.ai/lcsc/gl823k-hcy04.md) - Product Info Url: https://lcsc.com/product-detail/Others_Genesys-Logic_GL823K-HCY04_Genesys-Logic-GL823K-HCY04_C284879.html - Manufacturer Name: GENESYS(创惟) - Package or Case Code: SSOP-16_L4.9-W3.9-P0.64-LS6.0-BL - Manufacturer Part Number: GL823K-HCY04 - Package: SSOP-16_L4.9-W3.9-P0.64-LS6.0-BL - Datasheet URL: https://lcsc.com/product-detail/Others_Genesys-Logic_GL823K-HCY04_Genesys-Logic-GL823K-HCY04_C284879.html - Role: Integrated Circuit - Part Type: USB ICs - JLCPCB Part Class: Extended Part - Role Details: USB-to-SD Bridge Function - LCSC Part Number: C284879 **Pins:** - 5V [pin 10] - CLK [pin 4] - CMD [pin 5] - D0 [pin 3] - D1 [pin 2] - D2 [pin 7] - D3 [pin 6] - DM [pin 16] - DP [pin 15] - GPIO [pin 11] - LED [pin 12] - PMOS [pin 8] - VDD [pin 9] - VDDA [pin 13] - VSS [pin 1] - VSS [pin 14] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/efekaan/remaining-purple-sonic-screwdriver](https://www.flux.ai/efekaan/remaining-purple-sonic-screwdriver).* --- *Generated from [https://www.flux.ai/efekaan/remaining-purple-sonic-screwdriver](https://www.flux.ai/efekaan/remaining-purple-sonic-screwdriver)*