# ESP32-C3-WROOM-02U Reference Design dsMU ## Description This is a ESP32-C3-WROOM-02U reference design 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 ## Project Details - **Owner:** sklgz - **Created:** 7/18/2025 - **Last Updated:** 7/18/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### IC1 — [TPS62130RGTR](https://www.flux.ai/vasyl/tps62130rgtr~bet.md) - 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 - Manufacturer Name: Texas Instruments - Manufacturer Part Number: TPS62130RGTR **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 11] - PVIN [pin 12] - SS/TR [pin 9] - SW [pin 3] - SW [pin 2] - SW [pin 1] - VOS [pin 14] ### J1 — [TYPE-C-31-M-12](https://www.flux.ai/vasyl/type-c-31-m-12~tm.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~1nl.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~1nl.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] ### J4 — [F314-1A7H1-11040](https://www.flux.ai/adrian95/f314-1a7h1-11040~j2f.md) - Manufacturer Part Number: F314-1A7H1-11040 - Part Type: Connector - Role: Mechanical - Datasheet URL: https://cdn.amphenol-cs.com/media/wysiwyg/files/documentation/datasheet/flex/ffc_fpc_050mm_f31w_f31z_f314_f336.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: F3141A7H111040 - Manufacturer Name: Amphenol ICC (FCI) **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] - 28 [pin 28] - 29 [pin 29] - 3 [pin 3] - 30 [pin 30] - 31 [pin 31] - 32 [pin 32] - 33 [pin 33] - 34 [pin 34] - 35 [pin 35] - 36 [pin 36] - 37 [pin 37] - 38 [pin 38] - 39 [pin 39] - 4 [pin 4] - 40 [pin 40] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] - MP1 [pin MP1] - MP2 [pin MP2] - MP3 [pin MP3] - MP4 [pin MP4] ### LED1 — [LTST-C19HE1WT](https://www.flux.ai/vasy_skral/ltst-c19he1wt~x5i.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2010222107_Everlight-Elec-19-237-R6GHBHC-A04-2T_C883183.pdf - Manufacturer Name: Everlight Elec - Manufacturer Part Number: 19-237/R6GHBHC-A04/2T - Part Type: LED **Pins:** - A [pin 4] - B [pin 3] - G [pin 2] - R [pin 1] ### LED2 — [LED simulator template](https://www.flux.ai/nico/example-led-simulator-template~o0.md) - Datasheet URL: https://page.venkel.com/hubfs/Resources/Datasheets/LEDs/CTL1206FYW1T.pdf - Manufacturer Part Number: CTL1206FYW1T - Forward Voltage: 1.70V - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [LED simulator template](https://www.flux.ai/nico/example-led-simulator-template~o0.md) - Part Type: LED - Manufacturer Part Number: CTL1206FYW1T - Datasheet URL: https://page.venkel.com/hubfs/Resources/Datasheets/LEDs/CTL1206FYW1T.pdf - Forward Voltage: 1.70V **Pins:** - A [pin 2] - K [pin 1] ### LED4 — [LED simulator template](https://www.flux.ai/nico/example-led-simulator-template~o0.md) - Forward Voltage: 1.70V - Manufacturer Part Number: CTL1206FYW1T - Datasheet URL: https://page.venkel.com/hubfs/Resources/Datasheets/LEDs/CTL1206FYW1T.pdf - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED5 — [LED simulator template](https://www.flux.ai/nico/example-led-simulator-template~o0.md) - Part Type: LED - Forward Voltage: 1.70V - Manufacturer Part Number: CTL1206FYW1T - Datasheet URL: https://page.venkel.com/hubfs/Resources/Datasheets/LEDs/CTL1206FYW1T.pdf **Pins:** - A [pin 2] - K [pin 1] ### SW1 — [PTS815](https://www.flux.ai/vasy_skral/pts815~6b.md) - Manufacturer Name: C&K - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - 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] ### SW2 — [PTS815](https://www.flux.ai/vasy_skral/pts815~6b.md) - Manufacturer Name: C&K - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Part Type: Switch **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### SW3 — [Push Button B3FS-1050P](https://www.flux.ai/jharwinbarrozo/push-button-b3fs-1050p~86w.md) - Part Type: Switch - Manufacturer Name: OMRON - Manufacturer Part Number: B3FS-1050P - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf **Pins:** - P1 [pin 1] - P2 [pin 3] ### SW4 — [Push Button B3FS-1050P](https://www.flux.ai/jharwinbarrozo/push-button-b3fs-1050p~86w.md) - Part Type: Switch - Manufacturer Name: OMRON - Manufacturer Part Number: B3FS-1050P - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf **Pins:** - P1 [pin 1] - P2 [pin 3] ### SW5 — [Push Button B3FS-1050P](https://www.flux.ai/jharwinbarrozo/push-button-b3fs-1050p~86w.md) - Part Type: Switch - Manufacturer Name: OMRON - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf - Manufacturer Part Number: B3FS-1050P **Pins:** - P1 [pin 1] - P2 [pin 3] ### SW6 — [Push Button B3FS-1050P](https://www.flux.ai/jharwinbarrozo/push-button-b3fs-1050p~86w.md) - Manufacturer Part Number: B3FS-1050P - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf - Manufacturer Name: OMRON - Part Type: Switch **Pins:** - P1 [pin 1] - P2 [pin 3] ### U1 — [EA_eDIPTFT70-ATC](https://www.flux.ai/kicad-part-library/eaediptft70-atc~k04.md) - Package or Case Code: EA_eDIPTFT70-ATC - Datasheet URL: http://www.lcd-module.com/fileadmin/eng/pdf/grafik/ediptft70-ae.pdf - Part Type: Display - Manufacturer Part Number: EA_eDIPTFT70-ATC - Manufacturer Name: Texas Instruments Inc. **Pins:** - ~{RESET} [pin 5] - ADR0 [pin 9] - ADR1 [pin 14] - ADR2 [pin 15] - AIN1 [pin 31] - AIN2 [pin 32] - BAUD0 [pin 6] - BAUD1 [pin 7] - BAUD2 [pin 8] - BUZZ [pin 16] - DNC [pin 18] - DPOM [pin 13] - DPROT [pin 17] - EN485 [pin 12] - GND [pin 1] - GND [pin 29] - IN1/MI8 [pin 41] - IN2/MI7 [pin 42] - IN3/MI6 [pin 43] - IN4/MI5 [pin 44] - IN5/MI4 [pin 45] - IN6/MI3 [pin 46] - IN7/MI2 [pin 47] - IN8/MI1 [pin 48] - NC [pin 28] - NC [pin 27] - NC [pin 23] - NC [pin 24] - NC [pin 25] - NC [pin 21] - NC [pin 22] - NC [pin 26] - OUT1/MO8 [pin 33] - OUT2/MO7 [pin 34] - OUT3/MO6 [pin 35] - OUT4/MO5 [pin 36] - OUT5/MO4 [pin 37] - OUT6/MO3 [pin 38] - OUT7/MO2 [pin 39] - OUT8/MO1 [pin 40] - RxD [pin 10] - SND- [pin 4] - SND+ [pin 3] - TEST_SBUF [pin 20] - TxD [pin 11] - VDD [pin 2] - VDD [pin 30] - WP [pin 19] ### U2 — [ESP32-C3-WROOM-02U-N4](https://www.flux.ai/vasyl/esp32-c3-wroom-02u-n4~23h.md) - Manufacturer Part Number: ESP32-C3-WROOM-02U-N4 - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-c3-wroom-02_datasheet_en.pdf - Manufacturer Name: Espressif Systems - Part Type: RF module - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 3V3 [pin 1] - EN [pin 2] - GND [pin 9] - GND__1 [pin 19] - GND__10 [pin 28] - GND__11 [pin 29] - GND__12 [pin 30] - GND__13 [pin 31] - GND__14 [pin 32] - GND__15 [pin 33] - GND__16 [pin 34] - GND__17 [pin 35] - GND__18 [pin 36] - GND__19 [pin 37] - GND__2 [pin 20] - GND__20 [pin 38] - GND__21 [pin 39] - GND__3 [pin 21] - GND__4 [pin 22] - GND__5 [pin 23] - GND__6 [pin 24] - GND__7 [pin 25] - GND__8 [pin 26] - GND__9 [pin 27] - IO0 [pin 18] - IO1 [pin 17] - IO10 [pin 10] - IO18 [pin 13] - IO19 [pin 14] - IO2 [pin 16] - IO3 [pin 15] - IO4 [pin 3] - IO5 [pin 4] - IO6 [pin 5] - IO7 [pin 6] - IO8 [pin 7] - IO9 [pin 8] - RXD [pin 11] - TXD [pin 12] ### U3 — [PT8041-S08](https://www.flux.ai/lcsc/pt8041-s08~m1k.md) - Manufacturer Part Number: PT8041-S08 - Manufacturer Name: PinTENG(品腾) - JLCPCB Part Class: Extended Part - Package or Case Code: SOP-8_L4.9-W3.9-P1.27-LS6.0-BL - Part Type: Touch Screen Controller ICs - LCSC Part Number: C2936079 **Pins:** - CMOD [pin 2] - DACO [pin 7] - TCH1 [pin 5] - TCH2 [pin 6] - TCH3 [pin 8] - TCH4 [pin 1] - VDD [pin 3] - VSS [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/sklgz/esp32-c3-wroom-02u-reference-design-dsmu~bj](https://www.flux.ai/sklgz/esp32-c3-wroom-02u-reference-design-dsmu~bj).* --- *Generated from [https://www.flux.ai/sklgz/esp32-c3-wroom-02u-reference-design-dsmu~bj](https://www.flux.ai/sklgz/esp32-c3-wroom-02u-reference-design-dsmu~bj)*