# WiFi to IR Gateway Reference Design bN3H 5qXb ## Description This is a WiFi to Infrared (IR) gateway reference design leveraging an ESP32-S3 microcontroller for WiFi connectivity. It also incorporates a Type-C USB interface for data and power, 3 LEDs (red, green, & IR), and voltage regulation. It facilitates wireless control of IR devices, suitable for home automation projects. #referenceDesign #edge-computing #espressif #template #IR #project #reference-design ## Project Details - **Owner:** bobbyb - **Created:** 5/22/2025 - **Last Updated:** 5/31/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### D1 — [1N5819HW-7-F](https://www.flux.ai/jecstronic/1n5819hw-7-f~x5v.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1N5819HW-7-F - Part Type: Diode - Manufacturer Name: Diodes Incorporated - Datasheet URL: https://www.diodes.com/assets/Datasheets/ds30217.pdf **Pins:** - A [pin 2] - K [pin 1] ### IC1 — [ESP32-S3-WROOM-1-N16R8](https://www.flux.ai/adrian95/esp32-s3-wroom-1-n16r8~fs1.md) - Manufacturer Name: Espressif Systems - Pin Type: Not Connected - Part Type: Module - Datasheet URL: https://www.mouser.com/datasheet/2/891/esp32_s3_wroom_1_wroom_1u_datasheet_en-2930317.pdf - Manufacturer Part Number: ESP32-S3-WROOM-1-N16R8 - License: https://creativecommons.org/licenses/by/4.0/ - Pin Group: 6-11 **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND_1 [pin 1] - GND_10 [pin 48] - GND_11 [pin 49] - GND_2 [pin 40] - GND_3 [pin 41] - GND_4 [pin 42] - GND_5 [pin 43] - GND_6 [pin 44] - GND_7 [pin 45] - GND_8 [pin 46] - GND_9 [pin 47] - 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] ### J1 — [TYPE-C-31-M-12](https://www.flux.ai/vasy_skral/type-c-31-m-12~75f.md) - Manufacturer Name: Korean Hroparts Elec - Symbol Style: Parametric - Datasheet URL: https://en.krhro.com/npublic/opdfjs/web/viewer.html?file=https%3A%2F%2Fomo-oss-file.thefastfile.com%2Fportal-saas%2Fnew2023011311465142457%2Fcms%2Ffile%2F95f41c83-14fa-41cb-9f86-8d6a717317e5.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: TYPE-C-31-M-12 - Part Type: Connector **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin B1A12] - GND [pin A1B12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S3] - SHIELD [pin S1] - SHIELD [pin S4] - SHIELD [pin S2] - VBUS [pin B4A9] - VBUS [pin A4B9] ### LED2 — [LED-THT-3MM](https://www.flux.ai/vasy_skral/led-tht-3mm~34u.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [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 - Part Type: LED - Manufacturer Part Number: 19-237/R6GHBHC-A04/2T - Manufacturer Name: Everlight Elec **Pins:** - A [pin 4] - B [pin 3] - G [pin 2] - R [pin 1] ### SW1 — [PTS815](https://www.flux.ai/vasy_skral/pts815~6b.md) - Part Type: Switch - Manufacturer Name: C&K - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS **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 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] ### U1 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Manufacturer Part Number: 5002 - Part Type: Test Points/Test Rings - LCSC Part Number: C238123 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - Manufacturer Name: Keystone - JLCPCB Part Class: Extended Part - Package or Case Code: TEST-TH_BD2.54-P1.39 - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html **Pins:** - 1 [pin 1] ### U10 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - JLCPCB Part Class: Extended Part - Package or Case Code: TEST-TH_BD2.54-P1.39 - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Part Type: Test Points/Test Rings - Manufacturer Part Number: 5002 - LCSC Part Number: C238123 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - Manufacturer Name: Keystone **Pins:** - 1 [pin 1] ### U11 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Manufacturer Name: Keystone - LCSC Part Number: C238123 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - Part Type: Test Points/Test Rings - Manufacturer Part Number: 5002 - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - JLCPCB Part Class: Extended Part - Package or Case Code: TEST-TH_BD2.54-P1.39 **Pins:** - 1 [pin 1] ### U12 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part - Manufacturer Name: Keystone - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 - Part Type: Test Points/Test Rings - Manufacturer Part Number: 5002 **Pins:** - 1 [pin 1] ### U13 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - JLCPCB Part Class: Extended Part - Package or Case Code: TEST-TH_BD2.54-P1.39 - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Part Type: Test Points/Test Rings - Manufacturer Part Number: 5002 - Manufacturer Name: Keystone - LCSC Part Number: C238123 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf **Pins:** - 1 [pin 1] ### U14 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Manufacturer Name: Keystone - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 - Manufacturer Part Number: 5002 - Part Type: Test Points/Test Rings - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] ### U15 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - JLCPCB Part Class: Extended Part - Package or Case Code: TEST-TH_BD2.54-P1.39 - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Manufacturer Part Number: 5002 - Part Type: Test Points/Test Rings - Manufacturer Name: Keystone - LCSC Part Number: C238123 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf **Pins:** - 1 [pin 1] ### U16 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 - Manufacturer Name: Keystone - Part Type: Test Points/Test Rings - Manufacturer Part Number: 5002 **Pins:** - 1 [pin 1] ### U17 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Part Type: Test Points/Test Rings - Manufacturer Part Number: 5002 - Manufacturer Name: Keystone - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 **Pins:** - 1 [pin 1] ### U18 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 - Manufacturer Name: Keystone - Part Type: Test Points/Test Rings - Manufacturer Part Number: 5002 **Pins:** - 1 [pin 1] ### U19 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 - Manufacturer Name: Keystone - Manufacturer Part Number: 5002 - Part Type: Test Points/Test Rings - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] ### U2 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33~34.md) - Manufacturer Part Number: AMS1117-3.3 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: AMS - Symbol Style: Parametric - Part Type: Integrated Circuit - Datasheet URL: http://www.advanced-monolithic.com/pdf/ds1117.pdf **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] ### U3 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Manufacturer Part Number: 5002 - Part Type: Test Points/Test Rings - Manufacturer Name: Keystone - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html **Pins:** - 1 [pin 1] ### U4 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Part Type: Test Points/Test Rings - Manufacturer Part Number: 5002 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 - Manufacturer Name: Keystone - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html **Pins:** - 1 [pin 1] ### U5 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 - Manufacturer Name: Keystone - Part Type: Test Points/Test Rings - Manufacturer Part Number: 5002 - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] ### U6 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Manufacturer Part Number: 5002 - Part Type: Test Points/Test Rings - LCSC Part Number: C238123 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - Manufacturer Name: Keystone - JLCPCB Part Class: Extended Part - Package or Case Code: TEST-TH_BD2.54-P1.39 - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html **Pins:** - 1 [pin 1] ### U7 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Part Type: Test Points/Test Rings - Manufacturer Part Number: 5002 - Manufacturer Name: Keystone - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html **Pins:** - 1 [pin 1] ### U8 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 - Manufacturer Name: Keystone - Manufacturer Part Number: 5002 - Part Type: Test Points/Test Rings - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] ### U9 — [5002](https://www.flux.ai/lcsc/5002~kf6.md) - Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_5002_Keystone-5002_C238123.html - Package or Case Code: TEST-TH_BD2.54-P1.39 - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302136_Keystone-5002_C238123.pdf - LCSC Part Number: C238123 - Manufacturer Name: Keystone - Part Type: Test Points/Test Rings - Manufacturer Part Number: 5002 **Pins:** - 1 [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/bobbyb/wifi-to-ir-gateway-reference-design-bn3h-5qxb~yo](https://www.flux.ai/bobbyb/wifi-to-ir-gateway-reference-design-bn3h-5qxb~yo).* --- *Generated from [https://www.flux.ai/bobbyb/wifi-to-ir-gateway-reference-design-bn3h-5qxb~yo](https://www.flux.ai/bobbyb/wifi-to-ir-gateway-reference-design-bn3h-5qxb~yo)*