# DIN Rail ESP32-S3 Controller ## Description DIN-rail ESP32-S3 mains-powered controller with isolated 5 V supply, Ethernet RJ45, USB-C service port, and central LED module connector. ## Project Details - **Owner:** tynopia - **Created:** 4/19/2026 - **Last Updated:** 4/20/2026 - **Visibility:** Public - **Copies:** 1 ## Key Components ### D1 — [USBLC6-2SC6](https://www.flux.ai/collinsemasi/usblc6-2sc6.md) - Unidirectional Channels: 2 - Role Details: ESD clamp for USB D+ and D- at bottom connector - Manufacturer Name: STMicroelectronics - Part Type: ESD PROTECTION - Voltage - Breakdown: 6V - Voltage - Reverse Standoff: 5.25V - Role: USB ESD Protection - Operating Temperature: -40°C ~ 150°C (TJ) - Manufacturer Part Number: USBLC6-2SC6 - Package: SOT-23-6 - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/06/1d/48/9c/6c/20/4a/b2/CD00050750.pdf/files/CD00050750.pdf/jcr:content/translations/en.CD00050750.pdf **Pins:** - 1 [pin 1] - 3 [pin 3] - 4 [pin 4] - 6 [pin 6] - GND [pin 2] - VBUS [pin 5] ### D2 — [USBLC6-2SC6](https://www.flux.ai/vasy_skral/usblc6-2sc6.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Protection - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/06/1d/48/9c/6c/20/4a/b2/CD00050750.pdf/files/CD00050750.pdf/jcr:content/translations/en.CD00050750.pdf - Manufacturer Part Number: USBLC6-2SC6 - LCSC Part Number: C7519 - Package: SOT-23-6 - Role: USB ESD Protection - Manufacturer Name: STMicroelectronics - Role Details: ESD clamp for dedicated H2 USB programming port **Pins:** - GND [pin 2] - I/O1 [pin 6] - I/O1 [pin 1] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### F1 — [0034.6709](https://www.flux.ai/adrian95/0034p6709.md) - Package: THT - Role Details: Series fuse on AC line ahead of converter for overcurrent protection - Role: Mains Fuse - Manufacturer Name: SCHURTER Inc. - Part Type: Fuse - Manufacturer Part Number: 0034.6709 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.schurter.com/en/datasheet/typ_MST_250.pdf - Current Rating: 250mA **Pins:** - P1 [pin 1] - P2 [pin 2] ### FB1 — [BLM18AG601SN1D](https://www.flux.ai/adrian95/blm18ag601sn1d.md) - Manufacturer Part Number: BLM18AG601SN1D - Package: 0603 - Datasheet URL: https://www.murata.com/en-us/products/productdata/8796738650142/ENFA0003.pdf - Manufacturer Name: Murata Electronics - Role: Ferrite Bead - Part Type: Ferrite Bead - Role Details: Filter high-frequency noise between regulator and digital 3.3 V rail - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] ### J1 — [282837-2](https://www.flux.ai/vasy_skral/282837-2.md) - Role Details: 230 VAC line and neutral field connection - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Role: AC Input Terminal - Manufacturer Part Number: 282837-2 - Manufacturer Name: TE Connectivity AMP Connectors - Part Type: Connector - Package: THT **Pins:** - 1 [pin 1] - 2 [pin 2] ### J2 — [HR911105A](https://www.flux.ai/cherepanyadima/hr911105a.md) - Manufacturer Name: HANRUN - Role Details: Bottom-side field Ethernet connection - Manufacturer Part Number: HR911105A - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Role: LAN Connector - Package: THT - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811141815_HANRUN-Zhongshan-HanRun-Elec-HR911105A_C12074.pdf **Pins:** - ~ [pin 12] - ~ [pin 3] - ~ [pin 10] - ~ [pin 2] - ~ [pin 5] - ~ [pin 8] - ~ [pin 9] - ~ [pin 1] - ~ [pin 6] - ~ [pin 4] - ~ [pin 11] - SHIELD [pin 15] - SHIELD [pin 16] ### J3 — [USB-C 2.0 Receptacle](https://www.flux.ai/vritzka/usb-c-2p0-receptacle.md) - Purchase Url: https://www.digikey.com/en/products/detail/gct/USB4105-GF-A/11198441 - Role Details: USB 2.0 device and optional 5 V service port - Part Type: USB C - Datasheet URL: https://gct.co/files/drawings/usb4105.pdf - Manufacturer Part Number: USB4105-GF-A - Role: USB-C Port - Manufacturer Name: GTC - Package: Receptacle **Pins:** - CC1 [pin 6] - CC2 [pin 12] - D- [pin 9] - D- [pin 7] - D+ [pin 10] - D+ [pin 8] - GND [pin 15] - GND [pin 1] - GND [pin 16] - GND [pin 2] - SBU1 [pin 11] - SBU2 [pin 5] - Shield [pin 16] - VBUS [pin 14] - VBUS [pin 13] - VBUS [pin 4] - VBUS [pin 3] ### J4 — [1729128](https://www.flux.ai/jecstronic/1729128.md) - Part Type: Connector - Role: LED Terminal - Datasheet URL: https://www.phoenixcontact.com/us/products/1729128/pdf - Package: THT - Manufacturer Name: Phoenix Contact - Role Details: Field wiring connector for modular LED output and control - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1729128 **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### J5 — [USB4105-GF-A](https://www.flux.ai/adrian95/usb4105-gf-a.md) - Manufacturer Part Number: USB4105-GF-A - Manufacturer Name: GCT - Manufacturer Name: GCT - Role: USB-C Port - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/5492/USB4105.pdf - Package: Receptacle - Part Type: USB C - Role Details: Dedicated ESP32-H2 firmware flashing port - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1_B12] - GND__1 [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHELL_GND [pin SH1] - SHELL_GND__1 [pin SH2] - SHELL_GND__2 [pin SH3] - SHELL_GND__3 [pin SH4] - VBUS [pin A4_B9] - VBUS__1 [pin B4_A9] ### PS1 — [HLK-PM01 - 5066082](https://www.flux.ai/kicad-part-library/hlk-pm01-5066082.md) - Role Details: Isolated mains to 5 V converter for internal logic supply - Role: AC-DC Converter - Datasheet URL: https://h.hlktech.com/download/ACDC%E7%94%B5%E6%BA%90%E6%A8%A1%E5%9D%973W%E7%B3%BB%E5%88%97/1/%E6%B5%B7%E5%87%8C%E7%A7%913W%E7%B3%BB%E5%88%97%E7%94%B5%E6%BA%90%E6%A8%A1%E5%9D%97%E8%A7%84%E6%A0%BC%E4%B9%A6V2.8.pdf - Part Type: Converter ACDC - Package or Case Code: Converter_ACDC_Hi-Link_HLK-PMxx - Package: Module - Manufacturer Part Number: HLK-PM01 **Pins:** - -Vout [pin 3] - +Vout [pin 4] - AC/L [pin 1] - AC/N [pin 2] ### RV1 — [SV275K14BL1](https://www.flux.ai/adrian95/sv275k14bl1.md) - Manufacturer Name: Bourns Inc. - Datasheet URL: https://www.bourns.com/docs/product-datasheets/sv_series.pdf - Package: THT - Role: MOV - Manufacturer Part Number: SV275K14BL1 - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: 275 VAC surge clamp across line and neutral - Part Type: Varistor **Pins:** - 1 [pin 1] - 2 [pin 2] ### U1 — [ESP32-S3-WROOM-1U-N16R8](https://www.flux.ai/adrian95/esp32-s3-wroom-1u-n16r8.md) - Role Details: ESP32-S3 Wi-Fi controller with USB support and external antenna option - Part Type: Module - Manufacturer Part Number: ESP32-S3-WROOM-1U-N16R8 - Manufacturer Name: Espressif Systems - Package: Module - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf - Role: Main MCU - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 41_6] - GND [pin 1] - GND [pin 41_2] - GND [pin 41_9] - GND [pin 41_3] - GND [pin 40] - GND [pin 41_5] - GND [pin 41_1] - GND [pin 41_8] - GND [pin 41_4] - 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] ### U2 — [ESP32-H2-MINI-1-N2](https://www.flux.ai/vasyl/esp32-h2-mini-1-n2.md) - Package: Module - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-h2-mini-1_mini-1u_datasheet_en.pdf - Part Type: RF module - Role Details: Companion radio for Zigbee, Thread, and Matter over Thread - Manufacturer Part Number: ESP32-H2-MINI-1-N2 - Role: 802.15.4 Radio **Pins:** - 3V3 [pin 3] - EN [pin 8] - GND_1 [pin 1] - GND_1__1 [pin 2] - GND_1__10 [pin 42] - GND_1__11 [pin 43] - GND_1__12 [pin 44] - GND_1__13 [pin 45] - GND_1__14 [pin 46] - GND_1__2 [pin 11] - GND_1__3 [pin 14] - GND_1__4 [pin 36] - GND_1__5 [pin 37] - GND_1__6 [pin 38] - GND_1__7 [pin 39] - GND_1__8 [pin 40] - GND_1__9 [pin 41] - GND_2 [pin 47] - GND_2__1 [pin 48] - GND_2__10 [pin 49_9] - GND_2__11 [pin 50] - GND_2__12 [pin 51] - GND_2__13 [pin 52] - GND_2__14 [pin 53] - GND_2__2 [pin 49_1] - GND_2__3 [pin 49_2] - GND_2__4 [pin 49_3] - GND_2__5 [pin 49_4] - GND_2__6 [pin 49_5] - GND_2__7 [pin 49_6] - GND_2__8 [pin 49_7] - GND_2__9 [pin 49_8] - IO0 [pin 9] - IO1 [pin 10] - IO10 [pin 20] - IO11 [pin 21] - IO12 [pin 16] - IO13 [pin 12] - IO14 [pin 13] - IO2 [pin 5] - IO22 [pin 24] - IO25 [pin 25] - IO26 [pin 26] - IO27 [pin 27] - IO3 [pin 6] - IO4 [pin 18] - IO5 [pin 19] - IO8 [pin 22] - IO9 [pin 23] - NC [pin 4] - NC__1 [pin 7] - NC__2 [pin 17] - NC__3 [pin 28] - NC__4 [pin 29] - NC__5 [pin 32] - NC__6 [pin 33] - NC__7 [pin 34] - NC__8 [pin 35] - RXD0 [pin 30] - TXD0 [pin 31] - VBAT [pin 15] ### U3 — [W5500](https://www.flux.ai/vasy_skral/w5500.md) - Package: LQFP-48_7x7mm_P0.5mm - Role Details: W5500 hardwired TCP/IP Ethernet controller connected to ESP32-S3 over SPI - Manufacturer Name: WIZnet - Part Type: Integrated Circuit - Datasheet URL: https://docs.wiznet.io/img/products/w5500/w5500_ds_v109e.pdf - Manufacturer Part Number: W5500 - Role: SPI Ethernet Controller - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~INT [pin 36] - ~RST [pin 37] - ~SCS [pin 32] - 1V2O [pin 22] - ACTLED [pin 27] - AGND [pin 3] - AGND [pin 16] - AGND [pin 14] - AGND [pin 48] - AGND [pin 9] - AGND [pin 19] - AVDD [pin 21] - AVDD [pin 15] - AVDD [pin 8] - AVDD [pin 11] - AVDD [pin 4] - AVDD [pin 17] - DNC [pin 7] - DUPLED [pin 26] - EXRES1 [pin 10] - GND [pin 29] - LINKLED [pin 25] - MISO [pin 34] - MOSI [pin 35] - NC [pin 46] - NC [pin 12] - NC [pin 47] - NC [pin 13] - PMODE0 [pin 45] - PMODE1 [pin 44] - PMODE2 [pin 43] - RSVD [pin 23] - RSVD [pin 42] - RSVD [pin 38] - RSVD [pin 39] - RSVD [pin 40] - RSVD [pin 41] - RXN [pin 5] - RXP [pin 6] - SCLK [pin 33] - SPDLED [pin 24] - TOCAP [pin 20] - TXN [pin 1] - TXP [pin 2] - VBG [pin 18] - VDD [pin 28] - XI/CLKIN [pin 30] - XO [pin 31] ### U4 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33.md) - Manufacturer Part Number: AMS1117-3.3 - Symbol Style: Parametric - Package: SOT-223 - Manufacturer Name: AMS - Role Details: Linear regulator for MCU, Ethernet PHY, and 802.15.4 companion radio - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: http://www.advanced-monolithic.com/pdf/ds1117.pdf - Role: 3.3 V Regulator **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/tynopia/din-rail-esp32-s3-controller](https://www.flux.ai/tynopia/din-rail-esp32-s3-controller).* --- *Generated from [https://www.flux.ai/tynopia/din-rail-esp32-s3-controller](https://www.flux.ai/tynopia/din-rail-esp32-s3-controller)*