# ESP32-C3-MINI-1 Reference Design ## Description This is a reference design of ESP32-C3-MINI-1 based on the manufacturer's recommendations. On board we have an ESP module, USB C for firmware, 2 connectors with IOs and RGB LED #ESP32 #WiFi #LED #IoT #BLE #ARM #referenceDesign #simple-embedded #espressif #template #reference-design ## Project Details - **Owner:** jayabeer - **Created:** 12/26/2024 - **Last Updated:** 6/24/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### IC1 — [TPS62130RGTR](https://www.flux.ai/vasyl/tps62130rgtr.md) - Manufacturer Part Number: TPS62130RGTR - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Ftps62130 **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 Name: ROHS - Manufacturer Part Number: TYPE-C-31-M-12 - Part Type: Connector - 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 01x10 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x10-254mm-vertical.md) - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_2 [pin 2] - 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 01x10 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x10-254mm-vertical.md) - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_2 [pin 2] - 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) - Manufacturer Name: Everlight Elec - Manufacturer Part Number: 19-237/R6GHBHC-A04/2T - Part Type: LED - Datasheet URL: https://datasheet.lcsc.com/lcsc/2010222107_Everlight-Elec-19-237-R6GHBHC-A04-2T_C883183.pdf **Pins:** - A - B - G - R ### SW1 — [PTS815](https://www.flux.ai/vasy_skral/pts815.md) - Manufacturer Name: C&K - Part Type: Switch - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf **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 - Manufacturer Name: C&K - Part Type: Switch - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### U1 — [ESP32-C3-MINI-1-N4](https://www.flux.ai/vasyl/esp32-c3-mini-1-n4.md) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-c3-mini-1_datasheet_en.pdf - Part Type: RF module - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP32-C3-MINI-1-N4 **Pins:** - 3V3 [pin 3] - EN [pin 8] - GND [pin 1] - GND__1 [pin 2] - GND__10 [pin 42] - GND__11 [pin 43] - GND__12 [pin 44] - GND__13 [pin 45] - GND__14 [pin 46] - GND__15 [pin 47] - GND__16 [pin 48] - GND__17 [pin 49_1] - GND__18 [pin 49_2] - GND__19 [pin 49_3] - GND__2 [pin 11] - GND__20 [pin 49_4] - GND__21 [pin 49_5] - GND__22 [pin 49_6] - GND__23 [pin 49_7] - GND__24 [pin 49_8] - GND__25 [pin 49_9] - GND__26 [pin 50] - GND__27 [pin 51] - GND__28 [pin 52] - GND__29 [pin 53] - GND__3 [pin 14] - GND__4 [pin 36] - GND__5 [pin 37] - GND__6 [pin 38] - GND__7 [pin 39] - GND__8 [pin 40] - GND__9 [pin 41] - IO0 [pin 12] - IO1 [pin 13] - IO10 [pin 16] - IO18 [pin 26] - IO19 [pin 27] - IO2 [pin 5] - IO3 [pin 6] - IO4 [pin 18] - IO5 [pin 19] - IO6 [pin 20] - IO7 [pin 21] - IO8 [pin 22] - IO9 [pin 23] - NC [pin 4] - NC__1 [pin 7] - NC__10 [pin 32] - NC__11 [pin 33] - NC__12 [pin 34] - NC__13 [pin 35] - NC__2 [pin 9] - NC__3 [pin 10] - NC__4 [pin 15] - NC__5 [pin 17] - NC__6 [pin 24] - NC__7 [pin 25] - NC__8 [pin 28] - NC__9 [pin 29] - RXD0 [pin 30] - TXD0 [pin 31] ### U2 — [ESP32-S3FN8](https://www.flux.ai/adrian95/esp32-s3fn8.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.snapeda.com/parts/ESP32-S3FN8/Espressif%20Systems/datasheet/ - Manufacturer Part Number: ESP32-S3FN8 - Manufacturer Name: Espressif Systems - Part Type: Integrated Circuit **Pins:** - CHIP_PU [pin 4] - GND [pin 57] - GPIO0 [pin 5] - GPIO1 [pin 6] - GPIO10 [pin 15] - GPIO11 [pin 16] - GPIO12 [pin 17] - GPIO13 [pin 18] - GPIO14 [pin 19] - GPIO17 [pin 23] - GPIO18 [pin 24] - GPIO19 [pin 25] - GPIO2 [pin 7] - GPIO20 [pin 26] - GPIO21 [pin 27] - GPIO3 [pin 8] - GPIO33 [pin 38] - GPIO34 [pin 39] - GPIO35 [pin 40] - GPIO36 [pin 41] - GPIO37 [pin 42] - GPIO38 [pin 43] - GPIO4 [pin 9] - GPIO45 [pin 51] - GPIO46 [pin 52] - GPIO5 [pin 10] - GPIO6 [pin 11] - GPIO7 [pin 12] - GPIO8 [pin 13] - GPIO9 [pin 14] - LNA_IN [pin 1] - MTCK [pin 44] - MTDI [pin 47] - MTDO [pin 45] - MTMS [pin 48] - SPICLK [pin 33] - SPICLK_N [pin 36] - SPICLK_P [pin 37] - SPICS0 [pin 32] - SPICS1 [pin 28] - SPID [pin 35] - SPIHD [pin 30] - SPIQ [pin 34] - SPIWP [pin 31] - U0RXD [pin 50] - U0TXD [pin 49] - VDD_SPI [pin 29] - VDD3P3 [pin 2] - VDD3P3 [pin 3] - VDD3P3_CPU [pin 46] - VDD3P3_RTC [pin 20] - VDDA1 [pin 55] - VDDA2 [pin 56] - XTAL_32K_N [pin 22] - XTAL_32K_P [pin 21] - XTAL_N [pin 53] - XTAL_P [pin 54] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jayabeer/esp32-c3-mini-1-reference-design](https://www.flux.ai/jayabeer/esp32-c3-mini-1-reference-design).* --- *Generated from [https://www.flux.ai/jayabeer/esp32-c3-mini-1-reference-design](https://www.flux.ai/jayabeer/esp32-c3-mini-1-reference-design)*