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 layers37 × 32.5 mm
Wheel self balance
nhattran02/self_balance_controller_hw- Size
- 37 × 32.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 32
- Nets
- 47
- Pads
- 132
- Tracks, vias
- 200, 24
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 3 Mar 2024
- Updated
- 3 Mar 2024
Overview
Wheel self balance is an open-source printed circuit board by nhattran02, from the nhattran02/self_balance_controller_hw repository on GitHub. It is a 2-layer board of 37 × 32.5 mm with 32 parts on 47 nets, routed with 200 tracks and 24 vias.
It is built around the STM32F103C8T6 and AMS1117-3.3. Its parts include 13 capacitors, 5 resistors, 2 ICs, 1 diode and 1 connector. 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.mdself_balance_controller_hw
PCB:
3D:
Parts
32| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1, C2, C3, C4, C9 |
| 4 | 1K5 | Resistor_SMD:R_0402_1005Metric | R3, R4, R5, R6 |
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2, H3, H4 |
| 2 | 10pF | Capacitor_SMD:C_0402_1005Metric | C10, C11 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C7, C8 |
| 2 | 22uF | Capacitor_SMD:C_0805_2012Metric | C12, C13 |
| 1 | 10K | Resistor_SMD:R_0402_1005Metric | R2 |
| 1 | 10nF | Capacitor_SMD:C_0402_1005Metric | C6 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric | C5 |
| 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 | U2 |
| 1 | I2C | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | I2C1 |
| 1 | RED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | STM32F103C8T6 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | SWD | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | SWD1 |
| 1 | SW_SPDT | Button_Switch_SMD:SW_SPDT_PCM12 | SW1 |
| 1 | UART | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | UART1 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Wuerth_629105150521 | J1 |
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Questions
How big is the Wheel self balance PCB?
It measures 37 × 32.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Wheel self balance use?
32 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 Wheel self balance KiCad files?
From the nhattran02/self_balance_controller_hw repository on GitHub, at the commit this page was made from: the board is wheel_self_balance.kicad_pcb and its schematic wheel_self_balance.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Wheel self balance design in my own project?
Its repository states no licence, so its author keeps all rights: ask nhattran02 before reusing the design.