2 layers66 × 38 mm
UsbServoController
ucandevices/UsbServoController
12-channel USB-C servo controller, Pololu Maestro compatible, MCP server for AI agents. Open hardware, CH32V203 RISC-V
63 partsMIT
4 layers45.5 × 16 mm
Stm32 usb device
tmilkovic51/stm32_usb_deviceA simple PCB consisting of an STM32F103C8T6 microcontroller acting as a USB device
- Size
- 45.5 × 16 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 33
- Nets
- 50
- Pads
- 136
- Tracks, vias
- 177, 83
- Pours
- 14
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 2 Jan 2024
- Updated
- 15 Sep 2024
Overview
Stm32 usb device is an open-source printed circuit board by tmilkovic51, from the tmilkovic51/stm32_usb_device repository on GitHub, published under the CERN-OHL-P-2.0 licence. It is a 4-layer board of 45.5 × 16 mm with 33 parts on 50 nets, routed with 177 tracks and 83 vias.
It is built around the STM32F103C8T6, HT7533-1 and SRV05-4. Its parts include 11 capacitors, 8 resistors, 5 connectors, 3 ICs and 1 diode. It belongs with the STM32 boards of this library.
Main components
3
STM32F103C8T6
LQFP-48(7x7)-40℃~+85℃ 12bit 20KB 2V~3.6V 32 Bit 37 64KB 72MHz ARM Cortex-M3 Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
HT7533-1
SOT-23-5-40℃~+85℃@(Ta) 1 100mA 2.5uA 25mV@(1mA) 3.3V 30V Fixed Positive SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSHOLTEKVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
SRV05-4
SOT-23-6L-55℃~+150℃ 15V 1pF 4A 5V 5uA 6V 80W ESD Four channels IEC 61000-4-2、IEC 61000-4-5 Unidirectional SOT-23-6L ESD and Surge Protection (TVS/ESD) ROHShongjiachengESD And Surge Protection (TVS/ESD)
README
README.mdSTM32 USB device
A simple PCB consisting of an STM32F103C8T6 microcontroller acting as a USB device and 3 UART pin headers connected to MCU's UART pins.
Parts
33| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 100n | Capacitor_SMD:C_0402_1005Metric | C3, C6, C7, C8, C9, C10 |
| 6 | 510R | Resistor_SMD:R_0402_1005Metric | R3, R4, R5, R6, R7, R8 |
| 3 | 10u | Capacitor_SMD:C_0603_1608Metric | C1, C2, C11 |
| 3 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1, J2, J3 |
| 3 | Fiducial | Fiducial:Fiducial_1mm_Mask2mm | FID1, FID2, FID3 |
| 2 | 10p | Capacitor_SMD:C_0402_1005Metric | C4, C5 |
| 2 | 1k5 | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 1 | 100R@100 MHz | Inductor_SMD:L_0805_2012Metric | FB1 |
| 1 | 16M | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | Conn_01x05 | Connector_PinHeader_1.27mm:PinHeader_1x05_P1.27mm_Vertical_SMD_Pin1Left | J5 |
| 1 | HT7533-1 | Package_TO_SOT_SMD:SOT-89-3 | U1 |
| 1 | PWR_LED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | SRV05-4 | Package_TO_SOT_SMD:SOT-23-6 | U2 |
| 1 | STM32F103C8T6 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U3 |
| 1 | USB_A | USB_A_connector:USB_A_4pin | J4 |
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Questions
How big is the Stm32 usb device PCB?
It measures 45.5 × 16 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Stm32 usb device use?
33 parts, built around the STM32F103C8T6, HT7533-1 and SRV05-4. 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 Stm32 usb device KiCad files?
From the tmilkovic51/stm32_usb_device repository on GitHub, at the commit this page was made from: the board is stm32_usb_device.kicad_pcb and its schematic stm32_usb_device.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Stm32 usb device design in my own project?
Its repository publishes it under the CERN-OHL-P-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).