# ESP32 8 Relay Board desing 3 ## Description ESP32 8 Relay Board. Has onboard mains to 5V or can use the ESP VIN for the +5V. 8 onboard relays capable of switching about 5A without adding additional tin to the traces. ## Project Details - **Owner:** mertglm - **Created:** 3/21/2024 - **Last Updated:** 12/8/2024 - **Visibility:** Public - **Copies:** 1 ## Key Components ### — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Product Info Url: https://www.mcmaster.com/screws/drive-style~torx/rounded-head-style~pan/material~steel/specifications-met~iso-7045/thread-size~m3/finish~zinc-plated/ **Pins:** - terminal ### — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Product Info Url: https://www.mcmaster.com/screws/drive-style~torx/rounded-head-style~pan/material~steel/specifications-met~iso-7045/thread-size~m3/finish~zinc-plated/ **Pins:** - terminal ### — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Product Info Url: https://www.mcmaster.com/screws/drive-style~torx/rounded-head-style~pan/material~steel/specifications-met~iso-7045/thread-size~m3/finish~zinc-plated/ **Pins:** - terminal ### — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Product Info Url: https://www.mcmaster.com/screws/drive-style~torx/rounded-head-style~pan/material~steel/specifications-met~iso-7045/thread-size~m3/finish~zinc-plated/ **Pins:** - terminal ### J10 — [Pin Socket 01x15 2.54mm Vertical](https://www.flux.ai/adrian95/pin-socket-01x15-254mm-vertical~mqk.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **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_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] ### J11 — [Pin Socket 01x15 2.54mm Vertical](https://www.flux.ai/adrian95/pin-socket-01x15-254mm-vertical~mqk.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_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] ### J14 — [XY301V-A-5.0-3P](https://www.flux.ai/jecstronic/xy301v-a-50-3p~k96.md) - Manufacturer Part Number: XY301V-A-5.0-3P - Datasheet URL: https://datasheet.lcsc.com/lcsc/2005271131_Ningbo-Xinlaiya-Elec--XY301V-A-5-0-3P_C557652.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Name: Microchip **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] - PIN3 [pin 3] ### J2 — [TB001-500-11BE](https://www.flux.ai/jecstronic/tb001-500-11be~rvp.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://www.cuidevices.com/product/resource/tb001-500.pdf - Manufacturer Part Number: TB001-500-11BE - Manufacturer Name: CUI Devices **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - 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 — [TB001-500-11BE](https://www.flux.ai/jecstronic/tb001-500-11be~rvp.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: CUI Devices - Datasheet URL: https://www.cuidevices.com/product/resource/tb001-500.pdf - Manufacturer Part Number: TB001-500-11BE **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - 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] ### JP1 — [Jumper 2 Open](https://www.flux.ai/vasyl/jumper-2-open~yk6.md) - Exclude from BOM: false - Part Type: Jumper **Pins:** - A [pin 1] - B [pin 2] ### JP2 — [Jumper 2 Open](https://www.flux.ai/vasyl/jumper-2-open~yk6.md) - Part Type: Jumper - Exclude from BOM: false **Pins:** - A [pin 1] - B [pin 2] ### JP3 — [Jumper 2 Open](https://www.flux.ai/vasyl/jumper-2-open~yk6.md) - Part Type: Jumper - Exclude from BOM: false **Pins:** - A [pin 1] - B [pin 2] ### JP4 — [Jumper 2 Open](https://www.flux.ai/vasyl/jumper-2-open~yk6.md) - Exclude from BOM: false - Part Type: Jumper **Pins:** - A [pin 1] - B [pin 2] ### JP5 — [Jumper 2 Open](https://www.flux.ai/vasyl/jumper-2-open~yk6.md) - Part Type: Jumper - Exclude from BOM: false **Pins:** - A [pin 1] - B [pin 2] ### JP6 — [Jumper 2 Open](https://www.flux.ai/vasyl/jumper-2-open~yk6.md) - Exclude from BOM: false - Part Type: Jumper **Pins:** - A [pin 1] - B [pin 2] ### JP7 — [Jumper 2 Open](https://www.flux.ai/vasyl/jumper-2-open~yk6.md) - Part Type: Jumper - Exclude from BOM: false **Pins:** - A [pin 1] - B [pin 2] ### JP8 — [Jumper 2 Open](https://www.flux.ai/vasyl/jumper-2-open~yk6.md) - Part Type: Jumper - Exclude from BOM: false **Pins:** - A [pin 1] - B [pin 2] ### JP9 — [Jumper 2 Open](https://www.flux.ai/vasyl/jumper-2-open~yk6.md) - Exclude from BOM: false - Part Type: Jumper **Pins:** - A [pin 1] - B [pin 2] ### K1 — [SLA-05VDC-SL-C](https://www.flux.ai/jecstronic/sla-05vdc-sl-c~fr2.md) - Part Type: Relay - Manufacturer Part Number: SLA-05VDC-SL-C - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Ningbo Songle Relay - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Ningbo-Songle-Relay-SLA-05VDC-SL-C_C87367.pdf **Pins:** - COIL_1 [pin 5] - COIL_2 [pin 6] - COM_1 [pin 1] - COM_2 [pin 2] - NC [pin 4] - NO [pin 3] ### K2 — [SLA-05VDC-SL-C](https://www.flux.ai/jecstronic/sla-05vdc-sl-c~fr2.md) - Manufacturer Part Number: SLA-05VDC-SL-C - Part Type: Relay - Manufacturer Name: Ningbo Songle Relay - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Ningbo-Songle-Relay-SLA-05VDC-SL-C_C87367.pdf **Pins:** - COIL_1 [pin 5] - COIL_2 [pin 6] - COM_1 [pin 1] - COM_2 [pin 2] - NC [pin 4] - NO [pin 3] ### LED1 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template~1mo.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED10 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template~1mo.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED11 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template~1mo.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template~1mo.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template~1mo.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED4 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template~1mo.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED5 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template~1mo.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED6 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template~1mo.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED7 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template~1mo.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED8 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template~1mo.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED9 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template~1mo.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### RLY1 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Manufacturer Part Number: SRD-05VDC-SL-C - Manufacturer Name: Ningbo Songle Relay - Part Type: Relay **Pins:** - A1 [pin A1] - A2 [pin A2] - COM [pin COM] - NC [pin NC] - NO [pin NO] ### RLY2 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Part Type: Relay - Manufacturer Name: Ningbo Songle Relay - Manufacturer Part Number: SRD-05VDC-SL-C - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf **Pins:** - A1 [pin A1] - A2 [pin A2] - COM [pin COM] - NC [pin NC] - NO [pin NO] ### RLY3 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Manufacturer Part Number: SRD-05VDC-SL-C - Part Type: Relay - Manufacturer Name: Ningbo Songle Relay - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf **Pins:** - A1 [pin A1] - A2 [pin A2] - COM [pin COM] - NC [pin NC] - NO [pin NO] ### RLY4 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Manufacturer Part Number: SRD-05VDC-SL-C - Part Type: Relay - Manufacturer Name: Ningbo Songle Relay - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf **Pins:** - A1 [pin A1] - A2 [pin A2] - COM [pin COM] - NC [pin NC] - NO [pin NO] ### RLY5 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Manufacturer Part Number: SRD-05VDC-SL-C - Part Type: Relay - Manufacturer Name: Ningbo Songle Relay - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf **Pins:** - A1 [pin A1] - A2 [pin A2] - COM [pin COM] - NC [pin NC] - NO [pin NO] ### RLY6 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Manufacturer Part Number: SRD-05VDC-SL-C - Manufacturer Name: Ningbo Songle Relay - Part Type: Relay **Pins:** - A1 [pin A1] - A2 [pin A2] - COM [pin COM] - NC [pin NC] - NO [pin NO] ### RLY7 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Manufacturer Part Number: SRD-05VDC-SL-C - Part Type: Relay - Manufacturer Name: Ningbo Songle Relay **Pins:** - A1 [pin A1] - A2 [pin A2] - COM [pin COM] - NC [pin NC] - NO [pin NO] ### RLY8 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Manufacturer Part Number: SRD-05VDC-SL-C - Manufacturer Name: Ningbo Songle Relay - Part Type: Relay - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf **Pins:** - A1 [pin A1] - A2 [pin A2] - COM [pin COM] - NC [pin NC] - NO [pin NO] ### U1 — [IRM-10-5](https://www.flux.ai/vasy_skral/irm-10-5~rwz.md) - Manufacturer Part Number: IRM-10-5 - Datasheet URL: https://www.meanwellusa.com/upload/pdf/IRM-10/IRM-10-spec.pdf - Manufacturer Name: MEAN WELL USA Inc. - Part Type: ACDC **Pins:** - -Vo [pin 3] - +Vo [pin 4] - AC/L [pin 2] - AC/N [pin 1] ### U2 — [ULN2803ADWR](https://www.flux.ai/adrian95/uln2803adwr~tjw.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Texas%20Instruments%20PDFs/ULN2803A_Rev2015.pdf - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Manufacturer Part Number: ULN2803ADWR **Pins:** - COM [pin 10] - GND [pin 9] - I1 [pin 1] - I2 [pin 2] - I3 [pin 3] - I4 [pin 4] - I5 [pin 5] - I6 [pin 6] - I7 [pin 7] - I8 [pin 8] - O1 [pin 18] - O2 [pin 17] - O3 [pin 16] - O4 [pin 15] - O5 [pin 14] - O6 [pin 13] - O7 [pin 12] - O8 [pin 11] ### U3 — [ESP32-DEVKIT-V1](https://www.flux.ai/vasyl/esp32-devkit-v1~zya.md) - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP32-DEVKIT-V1 - Symbol Style: Parametric - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf - Part Type: Module **Pins:** - 3V3 [pin 1] - D12 [pin 27] - D13 [pin 28] - D14 [pin 26] - D15 [pin 3] - D18 [pin 9] - D19 [pin 10] - D2 [pin 4] - D21 [pin 11] - D22 [pin 14] - D23 [pin 15] - D25 [pin 23] - D26 [pin 24] - D27 [pin 25] - D32 [pin 21] - D33 [pin 22] - D34 [pin 19] - D35 [pin 20] - D4 [pin 5] - D5 [pin 8] - EN [pin 16] - GND [pin 2] - GND__1 [pin 29] - RX0 [pin 12] - RX2 [pin 6] - sensor_VN [pin 18] - sensor_VP [pin 17] - TX0 [pin 13] - TX2 [pin 7] - VIN [pin 30] ### U4 — [ULN2803ADWR](https://www.flux.ai/adrian95/uln2803adwr~tjw.md) - Manufacturer Name: Texas Instruments - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Texas%20Instruments%20PDFs/ULN2803A_Rev2015.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Manufacturer Part Number: ULN2803ADWR **Pins:** - COM [pin 10] - GND [pin 9] - I1 [pin 1] - I2 [pin 2] - I3 [pin 3] - I4 [pin 4] - I5 [pin 5] - I6 [pin 6] - I7 [pin 7] - I8 [pin 8] - O1 [pin 18] - O2 [pin 17] - O3 [pin 16] - O4 [pin 15] - O5 [pin 14] - O6 [pin 13] - O7 [pin 12] - O8 [pin 11] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/mertglm/esp32-8-relay-board-desing-3~8z](https://www.flux.ai/mertglm/esp32-8-relay-board-desing-3~8z).* --- *Generated from [https://www.flux.ai/mertglm/esp32-8-relay-board-desing-3~8z](https://www.flux.ai/mertglm/esp32-8-relay-board-desing-3~8z)*