4 layers
Kvm base
thatoddmailbox/kvm-base
The main board for the open-source HDMI KVM switch I built.
70 parts19
2 layers80 × 46 mm
Main control board
StarweaverAudioLabs/main_control_boardMain controller board for Haruto's DAC
- Size
- 80 × 46 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 51
- Nets
- 70
- Pads
- 250
- Tracks, vias
- 618, 71
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 13 May 2025
- Updated
- 15 May 2025
Overview
Main control board is an open-source printed circuit board by StarweaverAudioLabs, from the StarweaverAudioLabs/main_control_board repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 80 × 46 mm with 51 parts on 70 nets, routed with 618 tracks and 71 vias.
It is built around the ESP32-S3-MINI-1U-N8, AMS1117-3.3 and FSUSB74UMX, with the TS3USB221ARSER-HXY, LESD5D5.0CT1G and 1N5819HW-7-F-01 among its other parts. Its parts include 12 connectors, 7 resistors, 6 capacitors, 6 diodes and 5 ICs. It belongs with the ESP32 boards of this library.
Main components
7
ESP32-S3-MINI-1U-N8
VFQFN-56-EP-40℃~+105℃ -98.4dBm 1.8V~3.6V、3V~3.6V 2.4GHz 21dBm 340mA 88mA Bluetooth5.0 ESP32-S3 UART、SDIO、SPI、I2C、I2S、JTAG、USB VFQFN-56-EP 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
FSUSB74UMX
UFQFN-16(1.8x2.6)-40℃~+85℃ 2.5V~4.4V 9Ω UFQFN-16(1.8x2.6) Analog Switches, Multiplexers ROHSonsemiAnalog Switches, Multiplexers
TS3USB221ARSER-HXY
UQFN-10(1.5x2)0℃~+85℃ 1.1GHz 1.2us 10Ω 2 2.5V~5.5V 200ps 20us 2:1 4pF USB、Cellular、Computer UQFN-10(1.5x2) Analog Switches - Special Purpose ROHSHXY MOSFETAnalog Switches - Special Purpose
LESD5D5.0CT1G
SOD-523-55℃~+150℃ 100W 12pF 16V 1uA 5V 7A 7V Bidirectional ESD IEC 61000-4-2 SOD-523 ESD and Surge Protection (TVS/ESD) ROHSGOODWORKUncategorised
1N5819HW-7-F-01
SOD-123Schottky DiodesDiodes Incorporated
SK6812
SMD-4P,5.4x5mm-40℃~+85℃ 0.6mA 1.6mm 120° 160mcd~320mcd 1kHz 2000V 280mcd~515mcd 3.7V~5.5V 460nm~470nm 520nm~530nm 620nm~625nm 800Kbit/s 815mcd~1275mcd Built-in power-on reset circuit Semi-transparent lens SMD-4P,5.4x5mm RGB LEDs(Built-in IC) ROHSOPSCO OptoelectronicsRGB LEDs(Built-In IC)
Parts
51| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.5mm_Pad | H1, H2, H3, H4 |
| 3 | LESD5D5.0CT1G | LESD5D5.0CT1G:TVS_LESD5D5.0CT1G | D2, D3, D4 |
| 2 | 0.1uF | CC0603KRX7R9BB104:CAPC1608X90 | C2, C5 |
| 2 | 10k | Resistor_SMD:R_0603_1608Metric | R4, R5 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric | C1, C4 |
| 2 | 1N5819HW-7-F | 1N5819HW-7-F:SOD3715X145N | D1, D5 |
| 2 | 4.7K | Resistor_SMD:R_0603_1608Metric | R6, R7 |
| 2 | 5.1K | Resistor_SMD:R_0603_1608Metric | R1, R3 |
| 2 | LOGO | LOGO | G***, G*** |
| 1 | 100uF | Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B | C6 |
| 1 | 1uF | Capacitor_SMD:C_0402_1005Metric | C3 |
| 1 | 200R | Resistor_SMD:R_0402_1005Metric | R2 |
| 1 | 5V | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | BOOT | PTS810SJK250SMTRLFS:PTS810SJG250SMTRLFS | S2 |
| 1 | Display | Connector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_Vertical | J7 |
| 1 | ESP32-S3-MINI-1U | RF_Module:ESP32-S2-MINI-1U | U1 |
| 1 | EXT_PWR | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J11 |
| 1 | FSUSB74UMX | FSUSB74UMX:QFN40P260X180X55-16N | U5 |
| 1 | GND | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | GPIOs | Connector_PinHeader_2.54mm:PinHeader_2x10_P2.54mm_Vertical | J10 |
| 1 | I2C | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J6 |
| 1 | MTCK/IO39 | TestPoint:TestPoint_Pad_D1.0mm | TP1 |
| 1 | MTDI/IO41 | TestPoint:TestPoint_Pad_D1.0mm | TP3 |
| 1 | MTDO/IO40 | TestPoint:TestPoint_Pad_D1.0mm | TP2 |
| 1 | MTMS/IO42 | TestPoint:TestPoint_Pad_D1.0mm | TP4 |
| 1 | Motorized Pot | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J8 |
| 1 | PROG MODE | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J12 |
| 1 | RST | PTS810SJK250SMTRLFS:PTS810SJG250SMTRLFS | S1 |
| 1 | SK6812 | LED_SMD:LED_SK6812_PLCC4_5.0x5.0mm_P3.2mm | D6 |
| 1 | TS3USB221ARSER | TS3USB221A:RSE10 | U3 |
| 1 | TSOP348xx | OptoDevice:Vishay_MOLD-3Pin | U4 |
| 1 | Tx/Rx | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J9 |
| 1 | USB1/PWR IN | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | USB2/PWR IN | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J3 |
| 1 | USB_3 | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J4 |
| 1 | USB_4 | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J5 |
| 1 | USB_Out | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J2 |
The 50 most common of 51 parts.
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Questions
How big is the Main control board PCB?
It measures 80 × 46 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Main control board use?
51 parts, built around the ESP32-S3-MINI-1U-N8, AMS1117-3.3, FSUSB74UMX and TS3USB221ARSER-HXY. 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 Main control board KiCad files?
From the StarweaverAudioLabs/main_control_board repository on GitHub, at the commit this page was made from: the board is main_control_board.kicad_pcb and its schematic main_control_board.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Main control board design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).