# ESP32-S3-MINI-1U Reference Design 5vYz ## Description This project is a reference project for ESP32-S3-MINI-1U to develop your IoT ideas. The board has RGB LEDs, USB C for firmware, EN and BOOT buttons, and 2 IO connectors for development #IoT #WiFi #MCU #RF #ESP32 #project #referenceDesign #simple-embedded #espressif #template ## Project Details - **Owner:** brodaquinfumfa - **Created:** 6/14/2025 - **Last Updated:** 6/14/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### D1 — [Schottky Diode](https://www.flux.ai/corynrobinson/schottky-diode.md) - Datasheet URL: https://www.onsemi.com/pdf/datasheet/mbr0520lt1-d.pdf - Purchase Url: https://octopart.com/mbr0520lt1g-onsemi-2933?r=sp - Current: 0.5A - Package or Case Code: D_SOD-123 - Manufacturer Name: onsemi - Manufacturer Part Number: MBR0520LT1G - Part Type: Diode - Breakdown Voltage: 20V **Pins:** - A - K ### ESP1 — [ESP32-S3-MINI-1U-N8](https://www.flux.ai/vasyl/esp32-s3-mini-1u-n8.md) - Manufacturer Part Number: ESP32-S3-MINI-1U-N8 - Manufacturer Name: Espressif Systems - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-s3-mini-1_mini-1u_datasheet_en.pdf **Pins:** - <-GND [pin 61_4] - 3V3 [pin 3] - EN [pin 45] - GND [pin 59] - GND [pin 65] - GND [pin 64] - GND [pin 50] - GND [pin 61_6] - GND [pin 57] - GND [pin 58] - GND [pin 42] - GND [pin 60] - GND [pin 52] - GND [pin 43] - GND [pin 61_8] - GND [pin 63] - GND [pin 61_0] - GND [pin 55] - GND [pin 61_7] - GND [pin 51] - GND [pin 54] - GND [pin 49] - GND [pin 61_5] - GND [pin 2] - GND [pin 61_1] - GND [pin 56] - GND [pin 47] - GND [pin 62] - GND [pin 48] - GND [pin 53] - GND [pin 46] - GND [pin 1] - GND [pin 61_2] - GND [pin 61_3] - IO0 [pin 4] - IO1 [pin 5] - IO10 [pin 14] - IO11 [pin 15] - IO12 [pin 16] - IO13 [pin 17] - IO14 [pin 18] - IO15 [pin 19] - IO16 [pin 20] - IO17 [pin 21] - IO18 [pin 22] - IO19 [pin 23] - IO2 [pin 6] - IO20 [pin 24] - IO21 [pin 25] - IO26 [pin 26] - IO3 [pin 7] - IO33 [pin 28] - IO34 [pin 29] - IO35 [pin 31] - IO36 [pin 32] - IO37 [pin 33] - IO38 [pin 34] - IO39 [pin 35] - IO4 [pin 8] - IO40 [pin 36] - IO41 [pin 37] - IO42 [pin 38] - IO45 [pin 41] - IO46 [pin 44] - IO47 [pin 27] - IO48 [pin 30] - IO5 [pin 9] - IO6 [pin 10] - IO7 [pin 11] - IO8 [pin 12] - IO9 [pin 13] - RXD0 [pin 40] - TXD0 [pin 39] ### IC1 — [TPS62130RGTR](https://www.flux.ai/vasyl/tps62130rgtr.md) - Manufacturer Name: Texas Instruments - Manufacturer Part Number: TPS62130RGTR - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Ftps62130 - Part Type: Integrated Circuit **Pins:** - AGND [pin 6] - AVIN [pin 10] - DEF [pin 8] - EN [pin 13] - EP [pin 17] - FB [pin 5] - FSW [pin 7] - PG [pin 4] - PGND [pin 16] - PGND [pin 15] - PVIN [pin 12] - PVIN [pin 11] - SS/TR [pin 9] - SW [pin 2] - SW [pin 1] - SW [pin 3] - VOS [pin 14] ### J1 — [TYPE-C-31-M-12](https://www.flux.ai/vasyl/type-c-31-m-12.md) - Manufacturer Part Number: TYPE-C-31-M-12 - Part Type: Connector - Manufacturer Name: ROHS - Datasheet URL: https://www.snapeda.com/parts/TYPE-C-31-M-12/HRO%20Electronics%20Co.,%20Ltd./datasheet/ **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1B12] - GND__1 [pin B1A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S1] - SHIELD__1 [pin S2] - SHIELD__2 [pin S3] - SHIELD__3 [pin S4] - VBUS [pin A4B9] - VBUS__1 [pin B4A9] ### J2 — [Pin Header 01x21 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x21-2p54mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_13 [pin 13] - Pin_14 [pin 14] - Pin_15 [pin 15] - Pin_16 [pin 16] - Pin_17 [pin 17] - Pin_18 [pin 18] - Pin_19 [pin 19] - Pin_2 [pin 2] - Pin_20 [pin 20] - Pin_21 [pin 21] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### J3 — [Pin Header 01x21 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x21-2p54mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_13 [pin 13] - Pin_14 [pin 14] - Pin_15 [pin 15] - Pin_16 [pin 16] - Pin_17 [pin 17] - Pin_18 [pin 18] - Pin_19 [pin 19] - Pin_2 [pin 2] - Pin_20 [pin 20] - Pin_21 [pin 21] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### LED1 — [LTST-C19HE1WT](https://www.flux.ai/vasy_skral/ltst-c19he1wt.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2010222107_Everlight-Elec-19-237-R6GHBHC-A04-2T_C883183.pdf - Manufacturer Part Number: 19-237/R6GHBHC-A04/2T - Manufacturer Name: Everlight Elec - Part Type: LED **Pins:** - A - B - G - R ### SW1 — [PTS815](https://www.flux.ai/vasy_skral/pts815.md) - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Part Type: Switch - Manufacturer Name: C&K **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### SW2 — [PTS815](https://www.flux.ai/vasy_skral/pts815.md) - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Manufacturer Name: C&K - Part Type: Switch **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/brodaquinfumfa/esp32-s3-mini-1u-reference-design-5vyz](https://www.flux.ai/brodaquinfumfa/esp32-s3-mini-1u-reference-design-5vyz).* --- *Generated from [https://www.flux.ai/brodaquinfumfa/esp32-s3-mini-1u-reference-design-5vyz](https://www.flux.ai/brodaquinfumfa/esp32-s3-mini-1u-reference-design-5vyz)*