# STM32 Base ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** emocann - **Created:** 3/18/2026 - **Last Updated:** 3/29/2026 - **Visibility:** Public - **Stars:** 1 ## Key Components ### 3.3V — [0603 Orange LED](https://www.flux.ai/corynrobinson/0603-orange-led~sq.md) - Part Type: LED - Current: 20mA - Manufacturer Name: Kingbright - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT1608SECK.pdf - Manufacturer Part Number: APT1608SECK - Forward Voltage: 2.1V **Pins:** - A [pin 2] - K [pin 1] ### Bat In — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### Coding — [0603 Orange LED](https://www.flux.ai/corynrobinson/0603-orange-led~sq.md) - Forward Voltage: 2.1V - Manufacturer Part Number: APT1608SECK - Manufacturer Name: Kingbright - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT1608SECK.pdf - Current: 20mA - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D1 — [1N4148SOD-123](https://www.flux.ai/lcsc/1n4148sod-123~ygrq.md) - Part Type: Switching Diode - Manufacturer Name: JKSEMI(金开盛) - Package or Case Code: SOD-123_L2.6-W1.6-LS3.5-RD - Manufacturer Part Number: 1N4148SOD-123 - JLCPCB Part Class: Extended Part - LCSC Part Number: C2972760 **Pins:** - A [pin 2] - K [pin 1] ### J2 — [TYPE-C-31-M-12A](https://www.flux.ai/jecstronic/type-c-31-m-12a~omi.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/2301031430_Korean-Hroparts-Elec-TYPE-C-31-M-12A_C5337088.pdf - Part Type: Connector - Manufacturer Part Number: TYPE-C-31-M-12A - Manufacturer Name: Korean Hroparts Elec **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin B1_A12] - GND [pin A1_B12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S4] - SHIELD [pin S3] - SHIELD [pin S2] - SHIELD [pin S1] - VBUS [pin B4_A9] - VBUS [pin A4_B9] ### Q1 — [BC847,215](https://www.flux.ai/jecstronic/bc847215~xyd.md) - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/BC847_SER.pdf - Manufacturer Part Number: BC847,215 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Nexperia USA Inc. - Part Type: Transistor **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q2 — [BC847,215](https://www.flux.ai/jecstronic/bc847215~xyd.md) - Manufacturer Name: Nexperia USA Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: BC847,215 - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/BC847_SER.pdf - Part Type: Transistor **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q3 — [BC847,215](https://www.flux.ai/jecstronic/bc847215~xyd.md) - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Nexperia USA Inc. - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/BC847_SER.pdf - Manufacturer Part Number: BC847,215 **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q4 — [BC847,215](https://www.flux.ai/jecstronic/bc847215~xyd.md) - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Nexperia USA Inc. - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/BC847_SER.pdf - Manufacturer Part Number: BC847,215 **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### RX — [0603 Orange LED](https://www.flux.ai/corynrobinson/0603-orange-led~sq.md) - Current: 20mA - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT1608SECK.pdf - Manufacturer Name: Kingbright - Manufacturer Part Number: APT1608SECK - Forward Voltage: 2.1V **Pins:** - A [pin 2] - K [pin 1] ### TX — [0603 Orange LED](https://www.flux.ai/corynrobinson/0603-orange-led~sq.md) - Manufacturer Part Number: APT1608SECK - Forward Voltage: 2.1V - Part Type: LED - Current: 20mA - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT1608SECK.pdf - Manufacturer Name: Kingbright **Pins:** - A [pin 2] - K [pin 1] ### U1 — [CH340C](https://www.flux.ai/vasy_skral/ch340c~xfo.md) - Datasheet URL: https://datasheet.lcsc.com/szlcsc/Jiangsu-Qin-Heng-CH340C_C84681.pdf - Manufacturer Part Number: CH340C - Manufacturer Name: Wah - Part Type: Integrated Circuit **Pins:** - ~CTS [pin 9] - ~DCD [pin 12] - ~DSR [pin 10] - ~DTR [pin 13] - ~RI [pin 11] - ~RTS [pin 14] - GND [pin 1] - NC [pin 7] - NC [pin 8] - R232 [pin 15] - RXD [pin 3] - TXD [pin 2] - UD- [pin 6] - UD+ [pin 5] - V3 [pin 4] - VCC [pin 16] ### U2 — [STM32F103RBT6](https://www.flux.ai/jecstronic/stm32f103rbt6~m65.md) - Manufacturer Name: STMicroelectronics - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/1139/STM32F103x8,B.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Microcontroller - Manufacturer Part Number: STM32F103RBT6 **Pins:** - BOOT0 [pin 60] - NRST [pin 7] - OSC_IN [pin 5] - OSC_OUT [pin 6] - PA0-WKUP [pin 14] - PA1 [pin 15] - PA10 [pin 43] - PA11 [pin 44] - PA12 [pin 45] - PA13 [pin 46] - PA14 [pin 49] - PA15 [pin 50] - PA2 [pin 16] - PA3 [pin 17] - PA4 [pin 20] - PA5 [pin 21] - PA6 [pin 22] - PA7 [pin 23] - PA8 [pin 41] - PA9 [pin 42] - PB0 [pin 26] - PB1 [pin 27] - PB10 [pin 29] - PB11 [pin 30] - PB12 [pin 33] - PB13 [pin 34] - PB14 [pin 35] - PB15 [pin 36] - PB2 [pin 28] - PB3 [pin 55] - PB4 [pin 56] - PB5 [pin 57] - PB6 [pin 58] - PB7 [pin 59] - PB8 [pin 61] - PB9 [pin 62] - PC0 [pin 8] - PC1 [pin 9] - PC10 [pin 51] - PC11 [pin 52] - PC12 [pin 53] - PC13-TAMPER-RTC [pin 2] - PC14-OSC32_IN [pin 3] - PC15-_OSC32_OUT [pin 4] - PC2 [pin 10] - PC3 [pin 11] - PC4 [pin 24] - PC5 [pin 25] - PC6 [pin 37] - PC7 [pin 38] - PC8 [pin 39] - PC9 [pin 40] - PD2 [pin 54] - VBAT [pin 1] - VDD_1 [pin 32] - VDD_2 [pin 48] - VDD_3 [pin 64] - VDD_4 [pin 19] - VDDA [pin 13] - VSS_1 [pin 31] - VSS_2 [pin 47] - VSS_3 [pin 63] - VSS_4 [pin 18] - VSSA [pin 12] ### U3 — [AMS1117-3.3](https://www.flux.ai/jharwinbarrozo/ams1117-33~sbc.md) - Manufacturer Name: Kexin - Manufacturer Part Number: AMS1117-3.3 - Part Type: Integrated Circuit - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2410122028_KEXIN-AMS1117-3-3_C369933.pdf **Pins:** - GND [pin 1] - TAB [pin 4] - VI [pin 3] - VO [pin 2] ### U4 — [78M05](https://www.flux.ai/lcsc/78m05~bwqm.md) - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Frequency: N/AHz - Product Info Url: https://lcsc.com/product-detail/Linear-Voltage-Regulators_78M05_C111265.html - IC Type: Voltage Regulators - Manufacturer Part Number: 78M05 - Power Consumtion: Determined by the input voltage, output voltage, and the load current - Logic Function: N/A - LCSC Part Number: C111265 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Shikues-78M05_C111265.pdf - Part Type: Linear Voltage Regulators (LDO) - Operating Voltage: 9V to 15V - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part **Pins:** - GND [pin 4] - IN [pin 1] - OUT [pin 3] ### USB POW — [0603 Orange LED](https://www.flux.ai/corynrobinson/0603-orange-led~sq.md) - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APT1608SECK.pdf - Manufacturer Name: Kingbright - Part Type: LED - Current: 20mA - Manufacturer Part Number: APT1608SECK - Forward Voltage: 2.1V **Pins:** - A [pin 2] - K [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/emocann/stm32-base~jt](https://www.flux.ai/emocann/stm32-base~jt).* --- *Generated from [https://www.flux.ai/emocann/stm32-base~jt](https://www.flux.ai/emocann/stm32-base~jt)*