# ArcBridge ## Description ArcBridge by Bridgeway Audio — a Raspberry Pi Pico 2 based HDMI audio embedder/DDC with TOSLINK and coax S/PDIF inputs, HDMI TMDS output with dummy video, ARC return audio, and CEC participation, powered from the Pico USB-C port. ## Project Details - **Owner:** jacobwtyler - **Created:** 5/24/2026 - **Last Updated:** 5/27/2026 - **Visibility:** Public - **Stars:** 1 ## Key Components ### D1 — [XL-2012UWC](https://www.flux.ai/lcsc/xl-2012uwc~sfnq.md) - Manufacturer Part Number: XL-2012UWC - Package or Case Code: LED0805-RD_WHITE - Manufacturer Name: XINGLIGHT(成兴光) - LCSC Part Number: C965818 - Part Type: Light Emitting Diodes (LED) - JLCPCB Part Class: Extended Part **Pins:** - A [pin 2] - K [pin 1] ### D2 — [XL-2012UOC](https://www.flux.ai/lcsc/xl-2012uoc~to8b.md) - LCSC Part Number: C965813 - Part Type: Light Emitting Diodes (LED) - Manufacturer Name: XINGLIGHT(成兴光) - Package or Case Code: LED0805-RD_ORANGE - Manufacturer Part Number: XL-2012UOC - JLCPCB Part Class: Extended Part **Pins:** - - [pin 1] - + [pin 2] ### D3 — [XL-2012UGC](https://www.flux.ai/lcsc/xl-2012ugc~p6yu.md) - LCSC Part Number: C965815 - JLCPCB Part Class: Extended Part - Manufacturer Name: XINGLIGHT(成兴光) - Manufacturer Part Number: XL-2012UGC - Package or Case Code: LED0805-RD_GREEN - Part Type: Light Emitting Diodes (LED) **Pins:** - A [pin 2] - K [pin 1] ### D4 — [NRVB130T1G](https://www.flux.ai/lcsc/nrvb130t1g~q43l.md) - Part Type: Schottky Barrier Diodes (SBD) - Manufacturer Part Number: NRVB130T1G - Forward Voltage: 0.45V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010333_onsemi-NRVB130T1G_C223580.pdf - JLCPCB Part Class: Extended Part - Reverse Voltage: 30V - Diode Type: Schottky Diode - LCSC Part Number: C223580 - Manufacturer Name: onsemi(安森美) - Package or Case Code: SOD-123_L2.7-W1.6-LS3.7-RD-1 - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_ON-Semicon_NRVB130T1G_ON-Semicon-ON-NRVB130T1G_C223580.html **Pins:** - 1 [pin 1] - 2 [pin 2] ### D5 — [TPD4E05U06DQAR](https://www.flux.ai/lcsc/tpd4e05u06dqar~l929.md) - Datasheet URL: https://www.lcsc.com/datasheet/C138714.pdf?spm=wm.sxq.inf.ggs&utm_source=octopart&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRT1FdVFBSRFVdVDsOAxUeFF5JWA4NEwsWFhMaSQcJGk4%3D - Manufacturer Part Number: TPD4E05U06DQAR - Part Type: ESD Protection Devices - Package or Case Code: DFN2510-10_L2.5-W1.0-P0.50-BL - LCSC Part Number: C138714 - JLCPCB Part Class: Extended Part - Manufacturer Name: TI - Operating Temperature: -40℃~+125℃@(Ta) - Role Details: Ultra-low-capacitance 4-channel ESD array; place immediately behind HDMI connector with shortest path to GND. - Role: Protection **Pins:** - D1- [pin 2] - D1+ [pin 1] - D2- [pin 5] - D2+ [pin 4] - GND [pin 3] - GND [pin 8] - NC [pin 9] - NC [pin 10] - NC [pin 7] - NC [pin 6] ### D6 — [TPD4E05U06DQAR](https://www.flux.ai/lcsc/tpd4e05u06dqar~l929.md) - Role: Protection - Operating Temperature: -40℃~+125℃@(Ta) - JLCPCB Part Class: Extended Part - Role Details: Ultra-low-capacitance 4-channel ESD array; place immediately behind HDMI connector with shortest path to GND. - LCSC Part Number: C138714 - Package or Case Code: DFN2510-10_L2.5-W1.0-P0.50-BL - Manufacturer Name: TI - Part Type: ESD Protection Devices - Datasheet URL: https://www.lcsc.com/datasheet/C138714.pdf?spm=wm.sxq.inf.ggs&utm_source=octopart&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRT1FdVFBSRFVdVDsOAxUeFF5JWA4NEwsWFhMaSQcJGk4%3D - Manufacturer Part Number: TPD4E05U06DQAR **Pins:** - D1- [pin 2] - D1+ [pin 1] - D2- [pin 5] - D2+ [pin 4] - GND [pin 3] - GND [pin 8] - NC [pin 9] - NC [pin 10] - NC [pin 7] - NC [pin 6] ### D7 — [TPD4E05U06DQAR](https://www.flux.ai/lcsc/tpd4e05u06dqar~l929.md) - Datasheet URL: https://www.lcsc.com/datasheet/C138714.pdf?spm=wm.sxq.inf.ggs&utm_source=octopart&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRT1FdVFBSRFVdVDsOAxUeFF5JWA4NEwsWFhMaSQcJGk4%3D - Manufacturer Part Number: TPD4E05U06DQAR - Part Type: ESD Protection Devices - JLCPCB Part Class: Extended Part - LCSC Part Number: C138714 - Package or Case Code: DFN2510-10_L2.5-W1.0-P0.50-BL - Manufacturer Name: TI - Operating Temperature: -40℃~+125℃@(Ta) - Role Details: Ultra-low-capacitance 4-channel ESD array; place immediately behind HDMI connector with shortest path to GND. - Role: Protection **Pins:** - D1- [pin 2] - D1+ [pin 1] - D2- [pin 5] - D2+ [pin 4] - GND [pin 3] - GND [pin 8] - NC [pin 9] - NC [pin 10] - NC [pin 7] - NC [pin 6] ### J1 — [HD05-19-TH-TR](https://www.flux.ai/adrian95/hd05-19-th-tr~c06.md) - Connector Type: HDMI Connectors - Manufacturer Name: Same Sky - Datasheet URL: https://www.sameskydevices.com/product/resource/HD05-19-TH-TR.pdf - Package or Case Code: HD0519THTR - Manufacturer Part Number: HD05-19-TH-TR - Connector Gender: Receptacle - Part Type: Connector **Pins:** - +5V_POWER [pin 18] - CEC [pin 13] - DDC/CEC_GROUND [pin 17] - HOT_PLUG_DETECT [pin 19] - MH1 [pin 20] - MH2 [pin 21] - MH3 [pin 22] - MH4 [pin 23] - SCL [pin 15] - SDA [pin 16] - TMDS_CLOCK_SHIELD [pin 11] - TMDS_CLOCK- [pin 12] - TMDS_CLOCK+ [pin 10] - TMDS_DATA- [pin 6] - TMDS_DATA0_SHIELD [pin 8] - TMDS_DATA0- [pin 9] - TMDS_DATA0+ [pin 7] - TMDS_DATA1_SHIELD [pin 5] - TMDS_DATA1+ [pin 4] - TMDS_DATA2_SHIELD [pin 2] - TMDS_DATA2- [pin 3] - TMDS_DATA2+ [pin 1] - UTILITY [pin 14] ### J2 — [PJRAN1X1U01X](https://www.flux.ai/adrian95/pjran1x1u01x~y15.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Switchcraft%20PDFs/PJRA(N,S).pdf - Manufacturer Name: Switchcraft Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Part Number: PJRAN1X1U01X **Pins:** - SHUNT [pin 3] - SLEEVE [pin 1] - TIP [pin 2] ### SW1 — [TS-1187A-B-A-B](https://www.flux.ai/lcsc/ts-1187a-b-a-b~2qda.md) - Role: Switching - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_XKB-Connection-TS-1187A-B-A-B_C318884.pdf - Manufacturer Name: XKB Connectivity(中国星坤) - Part Type: Tactile Switches - Manufacturer Part Number: TS-1187A-B-A-B - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XKB-Enterprise-TS-1187-B-A-A_C318884.html - Role Details: SPST-NO tactile button: one side to GP4, other side to GND; replaces slide switch. - JLCPCB Part Class: Basic Part - LCSC Part Number: C318884 - Package or Case Code: SW-SMD_4P-L5.1-W5.1-P3.70-LS6.5-TL-2 **Pins:** - A [pin 1] - B [pin 2] - C [pin 3] - D [pin 4] ### U1 — [Raspberry Pi Pico 2 Shield](https://www.flux.ai/jharwinbarrozo/raspberry-pi-pico-2-shield~co.md) - Manufacturer Name: Raspberry Pi Foundation - Part Type: Microcontroller - Manufacturer Part Number: Raspberry Pi Pico 2 - Symbol Style: Parametric **Pins:** - 3V3 [pin 36] - 3V3_EN [pin 37] - ADC_VREF [pin 35] - AGND [pin 33] - GND [pin 13] - GND [pin 42] - GND [pin 38] - GND [pin 18] - GND [pin 8] - GND [pin 3] - GND [pin 23] - GND [pin 28] - GPIO0 [pin 1] - GPIO1 [pin 2] - GPIO10 [pin 14] - GPIO11 [pin 15] - GPIO12 [pin 16] - GPIO13 [pin 17] - GPIO14 [pin 19] - GPIO15 [pin 20] - GPIO16 [pin 21] - GPIO17 [pin 22] - GPIO18 [pin 24] - GPIO19 [pin 25] - GPIO2 [pin 4] - GPIO20 [pin 26] - GPIO21 [pin 27] - GPIO22 [pin 29] - GPIO26_ADC0 [pin 31] - GPIO27_ADC1 [pin 32] - GPIO28_ADC2 [pin 34] - GPIO3 [pin 5] - GPIO4 [pin 6] - GPIO5 [pin 7] - GPIO6 [pin 9] - GPIO7 [pin 10] - GPIO8 [pin 11] - GPIO9 [pin 12] - RUN [pin 30] - SWCLK [pin 41] - SWDIO [pin 43] - VBUS [pin 40] - VSYS [pin 39] ### U2 — [FCR684208R mrE4](https://www.flux.ai/jacobwtyler/fcr684208r.md) - Part Type: Interface - Manufacturer Part Number: FCR684208R - Manufacturer Name: Cliff Electronic Components - Datasheet URL: https://www.cliffuk.co.uk/products/optical/FCR684208R.pdf - Role Details: Cliff FCR684208R TOSLINK receiver; VOUT to Pico GPIO0, GND to ground, VCC to 3V3. - Role: Switching **Pins:** - GND [pin 2] - VCC [pin 3] - VOUT [pin 1] ### U3 — [TPD4E05U06DQAR](https://www.flux.ai/lcsc/tpd4e05u06dqar~l929.md) - Part Type: ESD Protection Devices - Datasheet URL: https://www.lcsc.com/datasheet/C138714.pdf?spm=wm.sxq.inf.ggs&utm_source=octopart&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRT1FdVFBSRFVdVDsOAxUeFF5JWA4NEwsWFhMaSQcJGk4%3D - Role: Protection - Manufacturer Part Number: TPD4E05U06DQAR - Role Details: Ultra-low-capacitance 4-channel ESD array; place immediately behind HDMI connector with shortest path to GND. - Operating Temperature: -40℃~+125℃@(Ta) - LCSC Part Number: C138714 - Package or Case Code: DFN2510-10_L2.5-W1.0-P0.50-BL - JLCPCB Part Class: Extended Part - Manufacturer Name: TI **Pins:** - D1- [pin 2] - D1+ [pin 1] - D2- [pin 5] - D2+ [pin 4] - GND [pin 3] - GND [pin 8] - NC [pin 9] - NC [pin 10] - NC [pin 7] - NC [pin 6] ### U4 — [TPD4E05U06DQAR](https://www.flux.ai/lcsc/tpd4e05u06dqar~l929.md) - Part Type: ESD Protection Devices - Datasheet URL: https://www.lcsc.com/datasheet/C138714.pdf?spm=wm.sxq.inf.ggs&utm_source=octopart&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRT1FdVFBSRFVdVDsOAxUeFF5JWA4NEwsWFhMaSQcJGk4%3D - Role Details: Protect HDMI TMDS Data0+/- and Clock+/- near J1. - Manufacturer Part Number: TPD4E05U06DQAR - Operating Temperature: -40℃~+125℃@(Ta) - JLCPCB Part Class: Extended Part - Package or Case Code: DFN2510-10_L2.5-W1.0-P0.50-BL - LCSC Part Number: C138714 - Manufacturer Name: TI - Role: Protection **Pins:** - D1- [pin 2] - D1+ [pin 1] - D2- [pin 5] - D2+ [pin 4] - GND [pin 3] - GND [pin 8] - NC [pin 9] - NC [pin 10] - NC [pin 7] - NC [pin 6] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jacobwtyler/arcbridge~xu](https://www.flux.ai/jacobwtyler/arcbridge~xu).* --- *Generated from [https://www.flux.ai/jacobwtyler/arcbridge~xu](https://www.flux.ai/jacobwtyler/arcbridge~xu)*