# XIAO ESP32 C5/S3 Double-Sided SMD Mounting Board v2 ## Description Super tiny double-sided xiao board with expansion connector. ## Project Details - **Owner:** shoderico - **Created:** 5/23/2026 - **Last Updated:** 5/28/2026 - **Visibility:** Public - **Stars:** 1 ## Key Components ### FPC1 — [FH26W-25S-0.3SHW(60)](https://www.flux.ai/lcsc/fh26w-25s-0p3shw60~7tip.md) - Manufacturer Name: HRS(广濑) - Package or Case Code: FPC-SMD_HRS_FH26W-25S-0.3SHW - Part Type: FFC/FPC Connectors - Manufacturer Part Number: FH26W-25S-0.3SHW(60) - JLCPCB Part Class: Extended Part - LCSC Part Number: C2904698 **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 17 [pin 17] - 18 [pin 18] - 19 [pin 19] - 2 [pin 2] - 20 [pin 20] - 21 [pin 21] - 22 [pin 22] - 23 [pin 23] - 24 [pin 24] - 25 [pin 25] - 26 [pin 26] - 27 [pin 27] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### U1 — [Seeed Studio XIAO ESP32C6 SMD No-DrillHole](https://www.flux.ai/shoderico/seeed-studio-xiao-esp32c6-smd-no-drillhole~o9.md) - Purchase Url: https://www.seeedstudio.com/Seeed-Studio-XIAO-ESP32C6-p-5884.html - Part Type: Microcontroller - wiki : https://wiki.seeedstudio.com/xiao_esp32c6_getting_started/ - Datasheet URL: https://files.seeedstudio.com/wiki/SeeedStudio-XIAO-ESP32C6/XIAO-ESP32-C6_v1.0_SCH_PDF_24028.pdf - Manufacturer Name: Seeed Studio - Manufacturer Part Number: 113991254 **Pins:** - 3V3 [pin 12] - 3V3_1 [pin 18] - 5V [pin 14] - BAT - [pin 21] - BAT + [pin 20] - BOOT [pin 22] - D0 [pin 1] - D1 [pin 2] - D10 [pin 11] - D2 [pin 3] - D3 [pin 4] - D4 [pin 5] - D5 [pin 6] - D6 [pin 7] - D7 [pin 8] - D8 [pin 9] - D9 [pin 10] - EN [pin 24] - GND [pin 13] - GND_1 [pin 16] - GND_PAD [pin 19] - MTCK [pin 17] - MTDI [pin 25] - MTDO [pin 15] - MTMS [pin 23] ### U2 — [Seeed Studio XIAO ESP32S3 Plus SMD No-DrillHole](https://www.flux.ai/shoderico/seeed-studio-xiao-esp32s3-plus-smd-no-drillhole~3m.md) - Part Type: Microcontroller - Manufacturer Part Number: 102010671 - Purchase Url: https://www.seeedstudio.com/Seeed-Studio-XIAO-ESP32S3-Plus-p-6361.html - Datasheet URL: https://files.seeedstudio.com/wiki/SeeedStudio-XIAO-ESP32S3/res/XIAO_ESP32S3_Plus_V1.1_SCH_260115.pdf - Manufacturer Name: Seeed Studio **Pins:** - 3V3 [pin 21] - 5V [pin 23] - BAT- [pin 32] - BAT+ [pin 33] - D- [pin 31] - D+ [pin 30] - D0 [pin 1] - D1 [pin 1] - D10 [pin 11] - D11 [pin 12] - D12 [pin 13] - D13 [pin 14] - D14 [pin 15] - D15 [pin 16] - D16 [pin 17] - D17 [pin 18] - D18 [pin 19] - D19 [pin 20] - D2 [pin 3] - D3 [pin 4] - D4 [pin 5] - D5 [pin 6] - D6 [pin 7] - D7 [pin 8] - D8 [pin 9] - D9 [pin 10] - EN [pin 27] - G_PAD [pin 34] - GND [pin 2] - GND_1 [pin 26] - MTCK [pin 28] - MTDI [pin 25] - MTDO [pin 24] - MTMS [pin 29] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/shoderico/xiao-esp32-c5s3-double-sided-smd-mounting-board-v2~5v](https://www.flux.ai/shoderico/xiao-esp32-c5s3-double-sided-smd-mounting-board-v2~5v).* --- *Generated from [https://www.flux.ai/shoderico/xiao-esp32-c5s3-double-sided-smd-mounting-board-v2~5v](https://www.flux.ai/shoderico/xiao-esp32-c5s3-double-sided-smd-mounting-board-v2~5v)*