2 layers68 × 40 mm
Stm32-io extend
hardenedlinux/cheap-pcb
Cheap PCB: Better understanding the current status of hardware supply chain
44 parts170CC0-1.0
2 layers44.4 × 32.7 mm
Stm32
diva-eng/stm32-microSTM32 Micro board
- Size
- 44.4 × 32.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 38
- Nets
- 53
- Pads
- 162
- Tracks, vias
- 289, 41
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 28 May 2022
- Updated
- 29 May 2022
Overview
Stm32 is an open-source printed circuit board by diva-eng, from the diva-eng/stm32-micro repository on GitHub, published under the MIT licence. It is a 2-layer board of 44.4 × 32.7 mm with 38 parts on 53 nets, routed with 289 tracks and 41 vias.
It is built around the STM32F103C8T6 and AMS1117-3.3. Its parts include 13 capacitors, 8 resistors, 5 connectors, 2 ICs and 2 diodes. It belongs with the STM32 boards of this library.
Main components
2
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)
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
README
README.mdSTM32 Micro
A bare minimum implementation for STM32 microcontroller
Development
TBD
Schematic
Parts
38| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 100n | Capacitor_SMD:C_0402_1005Metric | C4, C5, C6, C7, C11 |
| 5 | 1K5 | Resistor_SMD:R_0402_1005Metric | R1, R3, R5, R6, R8 |
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2, H3, H4 |
| 2 | 10p | Capacitor_SMD:C_0402_1005Metric | C12, C13 |
| 2 | 1u | Capacitor_SMD:C_0402_1005Metric | C9, C10 |
| 2 | 22u | Capacitor_SMD:C_0805_2012Metric | C1, C2 |
| 2 | 5K1 | Resistor_SMD:R_0402_1005Metric | R4, R7 |
| 2 | Conn_01x04_Male | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2, J4 |
| 2 | RED | LED_SMD:LED_0603_1608Metric | D1, D2 |
| 1 | 10k | Resistor_SMD:R_0402_1005Metric | R2 |
| 1 | 10n | Capacitor_SMD:C_0402_1005Metric | C8 |
| 1 | 10n | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 120R | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | 16MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | Conn_01x05_Female | Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical | J5 |
| 1 | LOGO | LOGO | G*** |
| 1 | STM32F103C8T6 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U2 |
| 1 | SWD_10 | Connector_PinHeader_1.27mm:PinHeader_2x05_P1.27mm_Vertical_SMD | J3 |
| 1 | SW_SPDT | Button_Switch_SMD:SW_SPDT_PCM12 | SW1 |
| 1 | USB C Connector | Connector_USB:USB_C_Receptacle_Palconn_UTC16-G | J1 |
Questions
How big is the Stm32 PCB?
It measures 44.4 × 32.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Stm32 use?
38 parts, built around the STM32F103C8T6 and AMS1117-3.3. 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 KiCad files?
From the diva-eng/stm32-micro repository on GitHub, at the commit this page was made from: the board is stm32.kicad_pcb and its schematic stm32.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Stm32 design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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