# ESP32 8 Relay Board ## 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:** albertojwkz - **Created:** 11/14/2023 - **Last Updated:** 11/17/2023 - **Visibility:** Public ## Key Components ### J1 — [TerminalBlock-01x02P-3.50mm_Horizontal](https://www.flux.ai/adrian95/terminalblock-01x02p-350mmhorizontal.md) - Part Type: Connector **Pins:** - P1 - P2 ### J4 — [XY301V-A-5.0-3P](https://www.flux.ai/jecstronic/xy301v-a-50-3p.md) - Manufacturer Part Number: XY301V-A-5.0-3P - Manufacturer Name: Microchip - Datasheet URL: https://datasheet.lcsc.com/lcsc/2005271131_Ningbo-Xinlaiya-Elec--XY301V-A-5-0-3P_C557652.pdf **Pins:** - PIN1 - PIN2 - PIN3 ### J5 — [XY301V-A-5.0-3P](https://www.flux.ai/jecstronic/xy301v-a-50-3p.md) - Manufacturer Part Number: XY301V-A-5.0-3P - Manufacturer Name: Microchip - Datasheet URL: https://datasheet.lcsc.com/lcsc/2005271131_Ningbo-Xinlaiya-Elec--XY301V-A-5-0-3P_C557652.pdf **Pins:** - PIN1 - PIN2 - PIN3 ### J6 — [XY301V-A-5.0-3P](https://www.flux.ai/jecstronic/xy301v-a-50-3p.md) - Manufacturer Name: Microchip - Datasheet URL: https://datasheet.lcsc.com/lcsc/2005271131_Ningbo-Xinlaiya-Elec--XY301V-A-5-0-3P_C557652.pdf - Manufacturer Part Number: XY301V-A-5.0-3P **Pins:** - PIN1 - PIN2 - PIN3 ### J7 — [XY301V-A-5.0-3P](https://www.flux.ai/jecstronic/xy301v-a-50-3p.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2005271131_Ningbo-Xinlaiya-Elec--XY301V-A-5-0-3P_C557652.pdf - Manufacturer Name: Microchip - Manufacturer Part Number: XY301V-A-5.0-3P **Pins:** - PIN1 - PIN2 - PIN3 ### LED1 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template.md) - Part Type: LED **Pins:** - A - K ### LED4 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template.md) - Part Type: LED **Pins:** - A - K ### LED5 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template.md) - Part Type: LED **Pins:** - A - K ### LED8 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template.md) - Part Type: LED **Pins:** - A - K ### LED9 — [LED-1206-Template](https://www.flux.ai/vasy_skral/led-1206-template.md) - Part Type: LED **Pins:** - A - K ### RLY3 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c.md) - Part Type: Relay - 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 **Pins:** - A1 - A2 - COM - NC - NO ### RLY4 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Part Type: Relay - Manufacturer Name: Ningbo Songle Relay - Manufacturer Part Number: SRD-05VDC-SL-C **Pins:** - A1 - A2 - COM - NC - NO ### RLY7 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Part Type: Relay - Manufacturer Part Number: SRD-05VDC-SL-C - Manufacturer Name: Ningbo Songle Relay **Pins:** - A1 - A2 - COM - NC - NO ### RLY8 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Part Type: Relay - Manufacturer Name: Ningbo Songle Relay - Manufacturer Part Number: SRD-05VDC-SL-C **Pins:** - A1 - A2 - COM - NC - NO ### U1 — [IRM-10-5](https://www.flux.ai/vasy_skral/irm-10-5.md) - Manufacturer Name: MEAN WELL USA Inc. - Datasheet URL: https://www.meanwellusa.com/upload/pdf/IRM-10/IRM-10-spec.pdf - Part Type: ACDC - Manufacturer Part Number: IRM-10-5 **Pins:** - -Vo - +Vo - AC/L - AC/N ### U2 — [ULN2803ADWR](https://www.flux.ai/adrian95/uln2803adwr.md) - Manufacturer Name: Texas Instruments - Manufacturer Part Number: ULN2803ADWR - Part Type: Transistor - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Texas%20Instruments%20PDFs/ULN2803A_Rev2015.pdf **Pins:** - COM - GND - I1 - I2 - I3 - I4 - I5 - I6 - I7 - I8 - O1 - O2 - O3 - O4 - O5 - O6 - O7 - O8 ### U3 — [ESP32-DEVKIT-V1](https://www.flux.ai/vasyl/esp32-devkit-v1.md) - Manufacturer Part Number: ESP32-DEVKIT-V1 - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf - Part Type: Module - Manufacturer Name: Espressif Systems **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] - TX0 [pin 13] - TX2 [pin 7] - VIN [pin 30] - VN [pin 18] - VP [pin 17] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/albertojwkz/esp32-8-relay-board](https://www.flux.ai/albertojwkz/esp32-8-relay-board).* --- *Generated from [https://www.flux.ai/albertojwkz/esp32-8-relay-board](https://www.flux.ai/albertojwkz/esp32-8-relay-board)*