4 layers100 × 50 mm
Pcm5102a board
cbaurtx/RetroBox
RetroBox is an internet radio using an ESP32-S3 system on a chip
83 parts
4 layers100 × 50 mm
Pcm5102a mux board
cbaurtx/RetroBoxRetroBox is an internet radio using an ESP32-S3 system on a chip
- Size
- 100 × 50 mm
- Copper layers
- 4
- Thickness
- 1.61 mm
- Parts
- 86
- Nets
- 94
- Pads
- 312
- Tracks, vias
- 801, 82
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 27 Dec 2025
- Updated
- 15 Mar 2026
Overview
Pcm5102a mux board is an open-source printed circuit board by cbaurtx, from the cbaurtx/RetroBox repository on GitHub. It is a 4-layer board of 100 × 50 mm with 86 parts on 94 nets, routed with 801 tracks and 82 vias.
It is built around the ESP32-S3-DEVKITC-1-N8, AMS1117-3.3 and 74HC4053D, with the HX3216P182MR, L7805 and PCM5102APW among its other parts. Its parts include 33 capacitors, 13 resistors, 13 connectors, 10 ICs and 9 diodes. It belongs with the radio and wireless and audio and music boards and the ESP32 boards of this library.
Main components
11
ESP32-S3-DEVKITC-1-N8
-- WiFi Modules ROHSEspressif SystemsWiFi Modules
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
74HC4053D
SO-16-40℃~+125℃ 20ns 21ns 2:1 2V~10V 3 5ns 80Ω SOIC-16 Analog Switches, Multiplexers ROHSNexperiaAnalog Switches, Multiplexers
HX3216P182MR
SOT-23-25℃~+70℃@(Ta) 1 1.8V 100mA 100mV@(1mA) 10V 3uA Fixed Positive SOT-23 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSHXVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
L7805
TO-220ST0℃~+125℃@(Tj) 1 1.2A 20V 2V@(1A) 42uV 500uA 5V 73dB@(120Hz) Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
PCM5102APW
TSSOP-20-25℃~+85℃ 1.8V~3.3V 2 32 384kHz 500uA 50MHz Audio Decoder Digital filtering、Power-down mode I2S TSSOP-20 ADCs/DACs - Special Purpose ROHSTexas InstrumentsADCs/DACs - Special Purpose
TCA9555PWR(UMW)
TSSOP-24TSSOP-24 I/O Expanders ROHSUMWI/O Expanders
1N5819WS
SOD-3231 Independent 1A 25A 40V 500uA@40V 600mV@1A SOD-323 Schottky Diodes ROHSGuangdong HottechSchottky Diodes1N4148WS
SOD-3231.25V@150mA 100V 150mA 1uA@75V 200mW 2A 4ns Independent SOD-323 Switching Diodes ROHSJiangsu Changjing Electronics Technology (CJ)Switching DiodesBSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETs
SM4007
MELFMELF Diodes - General Purpose ROHSYONGYUTAIDiodes - General Purpose
README
README.mdRetroBox
RetroBox is an internet radio using an ESP32-S3 system on a chip.
Refer to the file LICENSE.md for licenses (hardware and software).
It is soley your responsibility to assure compliance with all applicable laws and regulations in your country.
Documentation is in the doc directory.
Parts
86| Qty | Value | Footprint | References |
|---|---|---|---|
| 20 | 100n | Capacitor_SMD:C_0603_1608Metric | C202, C203, C204, C205, C206, C301, C306, C320, C321, C323, C324, C327, C401, C501, C601, C702 +4 |
| 7 | 1N5819WS | Diode_SMD:D_SOD-323 | D201, D203, D204, D205, D206, D302, D701 |
| 5 | 10k | Resistor_SMD:R_0603_1608Metric | R201, R701, R702, R704, R705 |
| 5 | 10u | Capacitor_SMD:C_0805_2012Metric | C207, C322, C325, C328, C705 |
| 4 | AMS1117-3.3 | KiCad_modulesFP:Package_rot90_TO_SOT_SMDSOT-89-3 | U202, U203, U302, U303 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad | H101, H102, H103, H104 |
| 3 | Conn_01x03 | Connector_Molex:Molex_PicoBlade_53048-0310_1x03_P1.25mm_Horizontal | J701, J702, J703 |
| 3 | Conn_Coaxial | KiCad_modulesFP:U.FL_Hirose_U.FL-R-SMT-1_Vertical_rot90 | J302, J303, J501 |
| 2 | 1u | Capacitor_SMD:C_0603_1608Metric | C701, C704 |
| 2 | 2.2nF | Capacitor_SMD:C_0603_1608Metric | C305, C310 |
| 2 | 2.2uF | Capacitor_SMD:C_1206_3216Metric | C311, C326 |
| 2 | 3k3 | Resistor_SMD:R_0603_1608Metric | R502, R503 |
| 2 | 470 | Resistor_SMD:R_0603_1608Metric | R307, R308 |
| 2 | Conn_01x10 | KiCad_modulesFP:Molex_PicoBlade_53048-1010_1x10_P1.25mm_Horizontal | J704, J705 |
| 2 | TestPoint | TestPoint:TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP202, TP701 |
| 1 | 18k | Resistor_SMD:R_0603_1608Metric | R306 |
| 1 | 1N4148WS | Diode_SMD:D_SOD-323 | D301 |
| 1 | 1meg | Resistor_SMD:R_0603_1608Metric | R504 |
| 1 | 23mm x 40mm x 16mm | KiCad_modulesFP:Heatsink_TO220_23mmX40mm | HS201 |
| 1 | 33k | Resistor_SMD:R_0603_1608Metric | R304 |
| 1 | 47 | Resistor_SMD:R_0603_1608Metric | R703 |
| 1 | 470n | Capacitor_SMD:C_0603_1608Metric | C502 |
| 1 | 470n | Capacitor_SMD:C_0805_2012Metric | C201 |
| 1 | 74HC4053 | KiCad_modulesFP:SOIC-16_4.55x10.3mm_P1.27mm_r90 | U502 |
| 1 | BSS138 | KiCad_modulesFP:SOT-23_rot180 | Q501 |
| 1 | Conn_01x02 | Connector_JST:JST_EH_S2B-EH_1x02_P2.50mm_Horizontal | J201 |
| 1 | Conn_01x05 | Connector_Molex:Molex_PicoBlade_53048-0510_1x05_P1.25mm_Horizontal | J304 |
| 1 | Conn_01x06 | Connector_Molex:Molex_PicoBlade_53048-0610_1x06_P1.25mm_Horizontal | J503 |
| 1 | Conn_01x07 | KiCad_modulesFP:Molex_PicoBlade_53048-0710_1x07_P1.25mm_Horizontal | J604 |
| 1 | Conn_01x12 | KiCad_modulesFP:Molex_PicoBlade_53048-1210_1x12_P1.25mm_Horizontal | J401 |
| 1 | ESP32-S3-DevKitC | KiCad_modulesFP:ESP32-S3-DevKitC_wide | U501 |
| 1 | HX3216P182MR | KiCad_modulesFP:SOT-23_rot180 | U701 |
| 1 | L7805 | Package_TO_SOT_THT:TO-220-3_Horizontal_TabUp | U201 |
| 1 | PCM5102A | KiCad_modulesFP:TSSOP-20_4.4x6.5mm_P0.65mm_rot90 | U301 |
| 1 | SM4007 | Diode_SMD:D_SOD-123F | D202 |
| 1 | TCA9555PWR | KiCad_modulesFP:TSSIO_ROT90-24_4.4x7.8mm_P0.65mm | U702 |
More from cbaurtx/RetroBox
2- 4 layers99.1 × 99.1 mm
Tas5805m board
cbaurtx/RetroBox
RetroBox is an internet radio using an ESP32-S3 system on a chip
82 parts
Similar boards
- 2 layers99.1 × 99 mm
XDuinoRail Debug
chatelao/xDuinoRail-Decoder
The friendly decoder development plattform for model railroad tinkers.
170 partsAGPL-3.0 - 4 layers40 × 100 mm
- 2 layers
- 2 layers120 × 90 mm
- 4 layers100 × 100 mm
Stm midi poc1
LispEngineer/stm-midi-poc1
MIDI synthesizer built around an STM32 - Proof of Concept #1 (counting from 0)
119 parts3CC-BY-SA-4.0 - 4 layers152 × 74 mm
- 2 layers41.5 × 56 mm
- 2 layers53 × 53 mm
Hair electrolysis machine
zoemaestra/hair-electrolysis-machine-usb-c
A fork of scd31's hair electrolysis machine but with USB-C and optimised for cheaper assembly with JLCPCB
83 parts168CERN-OHL-P-2.0
Questions
How big is the Pcm5102a mux board PCB?
It measures 100 × 50 mm and has 4 copper layers, 1.61 mm thick.
What parts does the Pcm5102a mux board use?
86 parts, built around the ESP32-S3-DEVKITC-1-N8, AMS1117-3.3, 74HC4053D and HX3216P182MR. 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.
Where can I download the Pcm5102a mux board KiCad files?
From the cbaurtx/RetroBox repository on GitHub, at the commit this page was made from: the board is Electronics/pcm5102a_mux_board/pcm5102a_mux_board.kicad_pcb and its schematic Electronics/pcm5102a_board/MPU.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pcm5102a mux board design in my own project?
Its repository states no licence, so its author keeps all rights: ask cbaurtx before reusing the design.