2 layers25.7 × 78.7 mm
STM32alt
profdc9/STM32F4ThruPill
STM32F405RGT6 dev board with bluepill compatible pinout and through-hole components
30 parts7
2 layers25.5 × 70 mm
STM32alt
profdc9/STM32F4surface6A STM32F4/STM32F1 LQFP64 surface mount PCB
- Size
- 25.5 × 70 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 28
- Nets
- 48
- Pads
- 165
- Tracks, vias
- 800, 121
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 7 Oct 2020
- Updated
- 7 Oct 2020
Overview
STM32alt is an open-source printed circuit board by profdc9, from the profdc9/STM32F4surface repository on GitHub. It is a 2-layer board of 25.5 × 70 mm with 28 parts on 48 nets, routed with 800 tracks and 121 vias.
It is built around the STM32F405RGT6 and LM1117-3.3. Its parts include 11 capacitors, 6 resistors, 5 connectors, 2 ICs and 2 crystals. It belongs with the STM32 boards of this library.
Main components
2
STM32F405RGT6
LQFP-64(10x10)-40℃~+85℃ 1.8V~3.6V 12bit 12bit 168MHz 192KB 1MB 32 Bit 51 ARM Cortex-M4 Built-in FLASH LQFP-64(10x10) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
LM1117-3.3
SOT-2231 1.3V@(1000mA) 15V 1A 2mA 3.3V Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHShongjiachengUncategorised
README
README.mdThis is a Bluepill pinout-compatible devboard for the STM32F405RGT6 LQFP-64 microcontroller. It uses surface mount parts and includes the JLCPCB/LCSC part BOM. This material is copyrighted by Daniel Marks (KW4TI) and licensed under the Creative Commons License CC-BY-SA 4.0. Software is copyrighted using the zlib open-source license.
There are two BOMs:
STM32alt-BOM-STM32F4.xlsx is for populating with a STM32F405RGT6 STM32alt-BOM-STM32F1.xlsx is for populating with a STM32F103RET6
Parts
28| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 20 pF | Capacitors_SMD:C_0805_HandSoldering | C12, C14, C15, C16 |
| 2 | 0.1 uF | Capacitors_SMD:C_0805_HandSoldering | C8, C9 |
| 2 | 1 uF | Capacitors_SMD:C_0805_HandSoldering | C7, C13 |
| 2 | 1.5k | Resistors_SMD:R_0805_HandSoldering | R3, R9 |
| 2 | 2.2 uF | Capacitors_SMD:C_0805_HandSoldering | C1, C2 |
| 2 | 22R | Resistors_SMD:R_0805_HandSoldering | R4, R6 |
| 2 | Conn_01x20 | Pin_Headers:Pin_Header_Straight_1x20_Pitch2.54mm | J5, J9 |
| 1 | 10 nF | Capacitors_SMD:C_0805_HandSoldering | C17 |
| 1 | 100k | Resistors_SMD:R_0805_HandSoldering | R1 |
| 1 | 470R | Resistors_SMD:R_0805_HandSoldering | R11 |
| 1 | 8 MHz | Crystals:Crystal_SMD_5032-2pin_5.0x3.2mm | Y1 |
| 1 | Conn_01x02 | Buttons_Switches_THT:SW_PUSH_6mm | J7 |
| 1 | Conn_01x04 | Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm | J4 |
| 1 | Crystal | Crystals:Crystal_SMD_3215-2pin_3.2x1.5mm | Y2 |
| 1 | Jumper_NC_Dual | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | JP1 |
| 1 | LED | LEDs:LED_0805_HandSoldering | D4 |
| 1 | LM1117-3.3 | TO_SOT_Packages_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | STM32f405RGT6 | Housings_QFP:LQFP-64_10x10mm_Pitch0.5mm | U2 |
| 1 | USB_B | Connectors:USB_B | J3 |
Questions
How big is the STM32alt PCB?
It measures 25.5 × 70 mm and has 2 copper layers, 1.6 mm thick.
What parts does the STM32alt use?
28 parts, built around the STM32F405RGT6 and LM1117-3.3. 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 STM32alt KiCad files?
From the profdc9/STM32F4surface repository on GitHub, at the commit this page was made from: the board is STM32alt.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the STM32alt design in my own project?
Its repository states no licence, so its author keeps all rights: ask profdc9 before reusing the design.
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