2 layers90 × 80 mm
2 layers90 × 80 mm
2025 04 STM32F103 RobotBrain
WinstonHar/ENCE_3231_WinstonMicrocontroller project code repository
- Size
- 90 × 80 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 42
- Nets
- 113
- Pads
- 204
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 20 Apr 2025
- Updated
- 20 May 2025
Overview
2025 04 STM32F103 RobotBrain is an open-source printed circuit board by WinstonHar, from the WinstonHar/ENCE_3231_Winston repository on GitHub. It is a 2-layer board of 90 × 80 mm with 42 parts on 113 nets.
It is built around the MDBT42T-AT, USBLC6-2SC6 and IN-PI55TATPRPGPB, with the BSS138 and JS202011SCQN among its other parts. Its parts include 10 resistors, 9 capacitors, 8 connectors, 6 diodes and 3 switches. It belongs with the STM32 and nRF52 and nRF5x boards of this library.
Main components
5MDBT42T-AT
SMD-19PSMD-19P Bluetooth Modules ROHSRAYTACBluetooth Modules
USBLC6-2SC6
SOT-23-60.35pF、0.8pF 100nA 150W@8/20us 15V 2 5V 6A@8/20us 6V ESD SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSUMWESD And Surge Protection (TVS/ESD)IN-PI55TATPRPGPB
SMD5050-4SMD5050-4 RGB LEDs(Built-in IC) ROHSInoluxUncategorised
BSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETs
JS202011SCQN
SMD-40℃~+85℃ 300mA 5,000 cycles 5.5mm 6V DPDT Rectangular Columnar SMD(SMT) Tab Surface Mount,Vertical SMD Slide Switches ROHSC&KSlide Switches
README
README.mdENCE_3231_Winston
Parts
42| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 10K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R4, R5, R6, R7, R8, R9, R10 |
| 5 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C4, C5 |
| 2 | 22 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3 |
| 2 | 22pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C8, C9 |
| 2 | IN-PI55TATPRPGPB | RGB_LED:INPI55TATPRPGPB | LED2, LED3 |
| 1 | 0.01uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7 |
| 1 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C6 |
| 1 | 16Mhz | Crystal:Crystal_SMD_Abracon_ABM8G-4Pin_3.2x2.5mm | Y1 |
| 1 | BL_PWR_LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D4 |
| 1 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | CONN_MPU_6050 | Connector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_Vertical | J2 |
| 1 | Conn_3V3 | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J6 |
| 1 | Conn_5V | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J5 |
| 1 | Conn_DRIVE | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J7 |
| 1 | Conn_HAL | Connector_JST:JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J8 |
| 1 | Conn_SWD | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J4 |
| 1 | Conn_ULTRA | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J3 |
| 1 | JS202011SCQN | SW_uP_Boot:SW_JS202011SCQN | S1 |
| 1 | MDBT42T-AT | MDBT42T-AT:MDBT42T | MDBT42T-AT1 |
| 1 | PTCSMD | Fuse:Fuse_0805_2012Metric_Pad1.15x1.40mm_HandSolder | F1 |
| 1 | STM32F103RCTx | Package_QFP:LQFP-64_10x10mm_P0.5mm | U1 |
| 1 | SW_SPST | Components(Switch):SW_uP_Reset | SW1 |
| 1 | SW_uP_Reset | Button_Switch_SMD:SW_SPST_PTS647_Sx50 | SW2 |
| 1 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U2 |
| 1 | USB_B_Mini | Connector_USB:USB_Mini-B_Lumberg_2486_01_Horizontal | J1 |
| 1 | USB_PWR_LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | USER_LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
| 1 | uP_PWR_LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
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Questions
How big is the 2025 04 STM32F103 RobotBrain PCB?
It measures 90 × 80 mm and has 2 copper layers, 1.6 mm thick.
What parts does the 2025 04 STM32F103 RobotBrain use?
42 parts, built around the MDBT42T-AT, USBLC6-2SC6, IN-PI55TATPRPGPB and BSS138. 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 2025 04 STM32F103 RobotBrain KiCad files?
From the WinstonHar/ENCE_3231_Winston repository on GitHub, at the commit this page was made from: the board is Phase B/PCB_Projects/2025_04_STM32F103_RobotBrain_WH/2025_04_STM32F103_RobotBrain.kicad_pcb and its schematic Phase B/PCB_Projects/2025_04_STM32F103_RobotBrain /2025_04_STM32F103_RobotBrain.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the 2025 04 STM32F103 RobotBrain design in my own project?
Its repository states no licence, so its author keeps all rights: ask WinstonHar before reusing the design.