# EnduroSat UART Example ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** mekicaman - **Created:** 3/28/2026 - **Last Updated:** 4/14/2026 - **Visibility:** Public - **Stars:** 1 ## Key Components ### D1 — [WS2812B](https://www.flux.ai/kicad-part-library/ws2812b~l5u.md) - Manufacturer Part Number: WS2812B - Datasheet URL: https://cdn-shop.adafruit.com/datasheets/WS2812B.pdf - Package or Case Code: LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm - Part Type: LED SMD **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D10 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - LCSC Part Number: C242267 - Part Type: TVS - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Manufacturer Part Number: ESD9M5.0ST5G - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - JLCPCB Part Class: Extended Part - Manufacturer Name: onsemi(安森美) **Pins:** - 1 [pin 1] - 2 [pin 2] ### D11 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - Manufacturer Part Number: ESD9M5.0ST5G - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - JLCPCB Part Class: Extended Part - Manufacturer Name: onsemi(安森美) - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - LCSC Part Number: C242267 - Part Type: TVS - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD **Pins:** - 1 [pin 1] - 2 [pin 2] ### D12 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - JLCPCB Part Class: Extended Part - Manufacturer Name: onsemi(安森美) - Manufacturer Part Number: ESD9M5.0ST5G - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Part Type: TVS - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - LCSC Part Number: C242267 **Pins:** - 1 [pin 1] - 2 [pin 2] ### D13 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - LCSC Part Number: C242267 - Part Type: TVS - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Manufacturer Part Number: ESD9M5.0ST5G - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - JLCPCB Part Class: Extended Part - Manufacturer Name: onsemi(安森美) **Pins:** - 1 [pin 1] - 2 [pin 2] ### D14 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - LCSC Part Number: C242267 - Part Type: TVS - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Manufacturer Part Number: ESD9M5.0ST5G - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - JLCPCB Part Class: Extended Part - Manufacturer Name: onsemi(安森美) **Pins:** - 1 [pin 1] - 2 [pin 2] ### D15 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - LCSC Part Number: C242267 - Part Type: TVS - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Manufacturer Part Number: ESD9M5.0ST5G - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - JLCPCB Part Class: Extended Part - Manufacturer Name: onsemi(安森美) **Pins:** - 1 [pin 1] - 2 [pin 2] ### D17 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - LCSC Part Number: C242267 - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Part Type: TVS - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Manufacturer Part Number: ESD9M5.0ST5G - Manufacturer Name: onsemi(安森美) - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] - 2 [pin 2] ### D19 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - LCSC Part Number: C242267 - Part Type: TVS - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Manufacturer Part Number: ESD9M5.0ST5G - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - JLCPCB Part Class: Extended Part - Manufacturer Name: onsemi(安森美) **Pins:** - 1 [pin 1] - 2 [pin 2] ### D2 — [WS2812B](https://www.flux.ai/kicad-part-library/ws2812b~l5u.md) - Package or Case Code: LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm - Datasheet URL: https://cdn-shop.adafruit.com/datasheets/WS2812B.pdf - Manufacturer Part Number: WS2812B - Part Type: LED SMD **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D20 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Manufacturer Part Number: ESD9M5.0ST5G - Manufacturer Name: onsemi(安森美) - JLCPCB Part Class: Extended Part - LCSC Part Number: C242267 - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Part Type: TVS **Pins:** - 1 [pin 1] - 2 [pin 2] ### D21 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Part Type: TVS - LCSC Part Number: C242267 - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Manufacturer Name: onsemi(安森美) - JLCPCB Part Class: Extended Part - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Manufacturer Part Number: ESD9M5.0ST5G **Pins:** - 1 [pin 1] - 2 [pin 2] ### D5 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - Manufacturer Name: onsemi(安森美) - JLCPCB Part Class: Extended Part - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Manufacturer Part Number: ESD9M5.0ST5G - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Part Type: TVS - LCSC Part Number: C242267 - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html **Pins:** - 1 [pin 1] - 2 [pin 2] ### D6 — [SMBJ5.0A-TR](https://www.flux.ai/lcsc/smbj5p0a-tr~22zn.md) - Product Info Url: https://lcsc.com/product-detail/TVS_STMicroelectronics_SMBJ5-0A-TR_SMBJ5-0A-TR_C130397.html - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - JLCPCB Part Class: Extended Part - LCSC Part Number: C130397 - Manufacturer Part Number: SMBJ5.0A-TR - Manufacturer Name: ST(意法半导体) - Part Type: TVS - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-SMBJ5-0A-TR_C130397.pdf **Pins:** - A [pin 2] - K [pin 1] ### D7 — [SMBJ5.0A-TR](https://www.flux.ai/lcsc/smbj5p0a-tr~22zn.md) - LCSC Part Number: C130397 - Product Info Url: https://lcsc.com/product-detail/TVS_STMicroelectronics_SMBJ5-0A-TR_SMBJ5-0A-TR_C130397.html - JLCPCB Part Class: Extended Part - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-SMBJ5-0A-TR_C130397.pdf - Manufacturer Part Number: SMBJ5.0A-TR - Part Type: TVS - Manufacturer Name: ST(意法半导体) **Pins:** - A [pin 2] - K [pin 1] ### D8 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - LCSC Part Number: C242267 - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Part Type: TVS - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Manufacturer Part Number: ESD9M5.0ST5G - Manufacturer Name: onsemi(安森美) - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] - 2 [pin 2] ### D9 — [ESD9M5.0ST5G](https://www.flux.ai/lcsc/esd9m5p0st5g~av2t.md) - Package or Case Code: SOD-923_L0.8-W0.6-LS1.0-RD - Part Type: TVS - LCSC Part Number: C242267 - Product Info Url: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Manufacturer Name: onsemi(安森美) - JLCPCB Part Class: Extended Part - Datasheet URL: https://lcsc.com/product-detail/Others_ON-Semicon_ESD9M5-0ST5G_ON-Semicon-ON-ESD9M5-0ST5G_C242267.html - Manufacturer Part Number: ESD9M5.0ST5G **Pins:** - 1 [pin 1] - 2 [pin 2] ### FB1 — [Ferrite Bead 0603](https://www.flux.ai/vasy_skral/ferrite-bead-0603~znt.md) - Part Type: Inductor **Pins:** - ~ [pin 1] - ~ [pin 2] ### J10 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### J3 — [Pin Header 01x07 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x07-254mm-vertical~nle.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] ### J4 — [TYPEC-304-BCP16](https://www.flux.ai/jecstronic/typec-304-bcp16~7f.md) - Manufacturer Part Number: TYPEC-304-BCP16 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/2202140030_XUNPU-TYPEC-304-BCP16_C720629.pdf - Part Type: Connector - Manufacturer Name: XUNPU **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin 15] - GND [pin 14] - GND [pin 13] - GND [pin B1A12] - GND [pin 16] - GND [pin A1B12] - SBU1 [pin A8] - SBU2 [pin B8] - VBUS [pin A4B9] - VBUS [pin B4A9] ### J5 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### J6 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### J7 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### J8 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### J9 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### LED1 — [LTST-C190KRKT](https://www.flux.ai/adrian95/ltst-c190krkt~3pw.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LTST-C190KRKT - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0151/LTST-C190KRKT.pdf - Manufacturer Name: Lite-On Inc. - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [LTST-C190KRKT](https://www.flux.ai/adrian95/ltst-c190krkt~3pw.md) - Manufacturer Part Number: LTST-C190KRKT - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Lite-On Inc. - Part Type: LED - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0151/LTST-C190KRKT.pdf **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [LTST-C191KGKT](https://www.flux.ai/jecstronic/ltst-c191kgkt~eii.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LTST-C191KGKT - Manufacturer Name: Lite-On Inc. - Part Type: LED - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS22-2000-228/LTST-C191KGKT.PDF **Pins:** - A [pin 2] - K [pin 1] ### LED4 — [LTST-C191KGKT](https://www.flux.ai/jecstronic/ltst-c191kgkt~eii.md) - Manufacturer Name: Lite-On Inc. - Part Type: LED - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS22-2000-228/LTST-C191KGKT.PDF - Manufacturer Part Number: LTST-C191KGKT - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED5 — [LTST-C191KGKT](https://www.flux.ai/jecstronic/ltst-c191kgkt~eii.md) - Part Type: LED - Manufacturer Name: Lite-On Inc. - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS22-2000-228/LTST-C191KGKT.PDF - Manufacturer Part Number: LTST-C191KGKT - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED6 — [LTST-C191KGKT](https://www.flux.ai/jecstronic/ltst-c191kgkt~eii.md) - Part Type: LED - Manufacturer Name: Lite-On Inc. - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS22-2000-228/LTST-C191KGKT.PDF - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LTST-C191KGKT **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [BC817W-115](https://www.flux.ai/jecstronic/bc817w-115~dy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Manufacturer Name: Nexperia USA Inc. - Manufacturer Part Number: BC817W,115 - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/BC817W_SER.pdf **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q2 — [BC817W-115](https://www.flux.ai/jecstronic/bc817w-115~dy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Manufacturer Part Number: BC817W,115 - Manufacturer Name: Nexperia USA Inc. - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/BC817W_SER.pdf **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q3 — [BC817W-115](https://www.flux.ai/jecstronic/bc817w-115~dy.md) - Manufacturer Part Number: BC817W,115 - Manufacturer Name: Nexperia USA Inc. - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/BC817W_SER.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q4 — [BC817W-115](https://www.flux.ai/jecstronic/bc817w-115~dy.md) - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/BC817W_SER.pdf - Manufacturer Name: Nexperia USA Inc. - Manufacturer Part Number: BC817W,115 - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### U1 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33~34.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: AMS - Manufacturer Part Number: AMS1117-3.3 - Datasheet URL: http://www.advanced-monolithic.com/pdf/ds1117.pdf - Part Type: Integrated Circuit - Symbol Style: Parametric **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] ### U2 — [ESP32-S3-WROOM-1-N8R8](https://www.flux.ai/adrian95/esp32-s3-wroom-1-n8r8~na1.md) - Manufacturer Part Number: ESP32-S3-WROOM-1-N8R8 - Manufacturer Name: Espressif Systems - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Module - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 41_9] - GND [pin 41_6] - GND [pin 41_4] - GND [pin 41_2] - GND [pin 41_3] - GND [pin 41_5] - GND [pin 40] - GND [pin 41_1] - GND [pin 1] - GND [pin 41_8] - GND [pin 41_7] - IO0 [pin 27] - IO1 [pin 39] - IO10 [pin 18] - IO11 [pin 19] - IO12 [pin 20] - IO13 [pin 21] - IO14 [pin 22] - IO15 [pin 8] - IO16 [pin 9] - IO17 [pin 10] - IO18 [pin 11] - IO19 [pin 13] - IO2 [pin 38] - IO20 [pin 14] - IO21 [pin 23] - IO3 [pin 15] - IO35 [pin 28] - IO36 [pin 29] - IO37 [pin 30] - IO38 [pin 31] - IO39 [pin 32] - IO4 [pin 4] - IO40 [pin 33] - IO41 [pin 34] - IO42 [pin 35] - IO45 [pin 26] - IO46 [pin 16] - IO47 [pin 24] - IO48 [pin 25] - IO5 [pin 5] - IO6 [pin 6] - IO7 [pin 7] - IO8 [pin 12] - IO9 [pin 17] - RXD0 [pin 36] - TXD0 [pin 37] ### U3 — [TMUX1574PWR](https://www.flux.ai/lcsc/tmux1574pwr~ir17.md) - Package or Case Code: TSSOP-16_L5.0-W4.4-P0.65-LS6.4-BL - Manufacturer Part Number: TMUX1574PWR - Part Type: Analog Switches / Multiplexers - LCSC Part Number: C2673443 - Manufacturer Name: TI(德州仪器) - JLCPCB Part Class: Extended Part **Pins:** - ~{EN} [pin 15] - D1 [pin 4] - D2 [pin 7] - D3 [pin 9] - D4 [pin 12] - GND [pin 8] - S1A [pin 2] - S1B [pin 3] - S2A [pin 5] - S2B [pin 6] - S3A [pin 11] - S3B [pin 10] - S4A [pin 14] - S4B [pin 13] - SEL [pin 1] - VDD [pin 16] ### U4 — [STM32F303CBT6](https://www.flux.ai/vasy_skral/stm32f303cbt6~dc.md) - Part Type: Microcontroller - Manufacturer Part Number: STM32F303CBT6 - Datasheet URL: http://www.st.com/content/ccc/resource/technical/document/datasheet/f2/1f/e1/41/ef/59/4d/50/DM00058181.pdf/files/DM00058181.pdf/jcr:content/translations/en.DM00058181.pdf **Pins:** - BOOT0 [pin 44] - NRST [pin 7] - PA0 [pin 10] - PA1 [pin 11] - PA10 [pin 31] - PA11 [pin 32] - PA12 [pin 33] - PA13 [pin 34] - PA14 [pin 37] - PA15 [pin 38] - PA2 [pin 12] - PA3 [pin 13] - PA4 [pin 14] - PA5 [pin 15] - PA6 [pin 16] - PA7 [pin 17] - PA8 [pin 29] - PA9 [pin 30] - PB0 [pin 18] - PB1 [pin 19] - PB10 [pin 21] - PB11 [pin 22] - PB12 [pin 25] - PB13 [pin 26] - PB14 [pin 27] - PB15 [pin 28] - PB2 [pin 20] - PB3 [pin 39] - PB4 [pin 40] - PB5 [pin 41] - PB6 [pin 42] - PB7 [pin 43] - PB8 [pin 45] - PB9 [pin 46] - PC13 [pin 2] - PC14 [pin 3] - PC15 [pin 4] - PF0 [pin 5] - PF1 [pin 6] - VBAT [pin 1] - VDD [pin 48] - VDD [pin 24] - VDD [pin 36] - VDDA [pin 9] - VSS [pin 35] - VSS [pin 47] - VSS [pin 23] - VSSA [pin 8] ### Y1 — [Crystal Oscillator](https://www.flux.ai/adrian95/crystal-oscillator~xnm.md) **Pins:** - 1 - 2 - 3 - 4 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/mekicaman/endurosat-uart-example~jm](https://www.flux.ai/mekicaman/endurosat-uart-example~jm).* --- *Generated from [https://www.flux.ai/mekicaman/endurosat-uart-example~jm](https://www.flux.ai/mekicaman/endurosat-uart-example~jm)*