# The Smart Switch Board V1 ## Description Smart Switch Board Make 3 existing lights/switches smart – by connecting it to the internet via an ESP32 microcontroller. ## Project Details - **Owner:** kaustubhd - **Created:** 9/2/2024 - **Last Updated:** 1/2/2025 - **Visibility:** Public - **Stars:** 1 ## Key Components ### B1 — [XY301V-A-5.0-3P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-3p~ox.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 [pin 1] - PIN2 [pin 2] - PIN3 [pin 3] ### B2 — [XY301V-A-5.0-3P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-3p~ox.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 - Manufacturer Name: Microchip **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] - PIN3 [pin 3] ### B3 — [XY301V-A-5.0-3P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-3p~ox.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 - Manufacturer Name: Microchip **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] - PIN3 [pin 3] ### D1 — [PN Junction Diode](https://www.flux.ai/jharwinbarrozo/pn-junction-diode~z7.md) - Emission Coefficient: 2.00 - Part Type: Diode - Breakdown Voltage: 50V - Series Resistance: 0.0286Ω - Saturation Current: 1.88e-9A **Pins:** - A [pin 2] - K [pin 1] ### D2 — [PN Junction Diode](https://www.flux.ai/jharwinbarrozo/pn-junction-diode~z7.md) - Saturation Current: 1.88e-9A - Series Resistance: 0.0286Ω - Breakdown Voltage: 50V - Emission Coefficient: 2.00 - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### D3 — [PN Junction Diode](https://www.flux.ai/jharwinbarrozo/pn-junction-diode~z7.md) - Saturation Current: 1.88e-9A - Series Resistance: 0.0286Ω - Breakdown Voltage: 50V - Part Type: Diode - Emission Coefficient: 2.00 **Pins:** - A [pin 2] - K [pin 1] ### IN — [XY301V-A-5.0-2P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-2p~u6.md) - Manufacturer Name: Ningbo Xinlaiya Elec. - Manufacturer Part Number: XY301V-A-5.0-2P **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### LED1 — [LTST-C190KRKT](https://www.flux.ai/adrian95/ltst-c190krkt~3pw.md) - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0151/LTST-C190KRKT.pdf - Manufacturer Name: Lite-On Inc. - Manufacturer Part Number: LTST-C190KRKT - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [LTST-C190KRKT](https://www.flux.ai/adrian95/ltst-c190krkt~3pw.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Manufacturer Part Number: LTST-C190KRKT - Manufacturer Name: Lite-On Inc. - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0151/LTST-C190KRKT.pdf **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [LTST-C190KRKT](https://www.flux.ai/adrian95/ltst-c190krkt~3pw.md) - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LTST-C190KRKT - Manufacturer Name: Lite-On Inc. - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0151/LTST-C190KRKT.pdf **Pins:** - A [pin 2] - K [pin 1] ### LED4 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Part Number: WS2812B-B - Manufacturer Name: Worldsemi - Part Type: LED - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### OTHER — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### PIR — [HC-SR501](https://www.flux.ai/vasyl/hc-sr501~he9.md) - Datasheet URL: https://www.mpja.com/download/31227sc.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: HC-SR501 - Manufacturer Name: MPJA - Part Type: Sensor **Pins:** - Data [pin 5] - GND [pin 6] - VCC [pin 4] ### Q1 — [2N2222](https://www.flux.ai/jecstronic/2n2222~sac.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 2N2222 - Manufacturer Name: Solid State Inc. - Part Type: Transistor - Datasheet URL: http://www.solidstateinc.us/specsearch/specs/2N2221A-ssi.pdf **Pins:** - B [pin 2] - C [pin 3] - E [pin 1] ### Q2 — [2N2222](https://www.flux.ai/jecstronic/2n2222~sac.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 2N2222 - Part Type: Transistor - Manufacturer Name: Solid State Inc. - Datasheet URL: http://www.solidstateinc.us/specsearch/specs/2N2221A-ssi.pdf **Pins:** - B [pin 2] - C [pin 3] - E [pin 1] ### Q3 — [2N2222](https://www.flux.ai/jecstronic/2n2222~sac.md) - Datasheet URL: http://www.solidstateinc.us/specsearch/specs/2N2221A-ssi.pdf - Manufacturer Name: Solid State Inc. - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 2N2222 **Pins:** - B [pin 2] - C [pin 3] - E [pin 1] ### RLY1 — [SRD-12VDC-SL-C](https://www.flux.ai/jecstronic/srd-12vdc-sl-c~ofu.md) - Manufacturer Part Number: SRD-12VDC-SL-C - Manufacturer Name: Ningbo Songle Relay - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Ningbo-Songle-Relay-SRD-12VDC-SL-C_C30431.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Relay **Pins:** - ~ [pin NC] - ~ [pin NO] - ~ [pin COIL1] - ~ [pin COM] - ~ [pin COIL2] ### RLY2 — [SRD-12VDC-SL-C](https://www.flux.ai/jecstronic/srd-12vdc-sl-c~ofu.md) - Manufacturer Part Number: SRD-12VDC-SL-C - Manufacturer Name: Ningbo Songle Relay - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Ningbo-Songle-Relay-SRD-12VDC-SL-C_C30431.pdf - Part Type: Relay - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~ [pin NC] - ~ [pin NO] - ~ [pin COIL1] - ~ [pin COM] - ~ [pin COIL2] ### RLY3 — [SRD-12VDC-SL-C](https://www.flux.ai/jecstronic/srd-12vdc-sl-c~ofu.md) - Manufacturer Part Number: SRD-12VDC-SL-C - Manufacturer Name: Ningbo Songle Relay - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Ningbo-Songle-Relay-SRD-12VDC-SL-C_C30431.pdf - Part Type: Relay - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~ [pin NC] - ~ [pin NO] - ~ [pin COIL1] - ~ [pin COM] - ~ [pin COIL2] ### S1 — [B3F-1020](https://www.flux.ai/adrian95/b3f-1020~wrk.md) - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3f.pdf - Manufacturer Name: Omron Electronics Inc-EMC Div - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch - Manufacturer Part Number: B3F-1020 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### S2 — [B3F-1020](https://www.flux.ai/adrian95/b3f-1020~wrk.md) - Manufacturer Name: Omron Electronics Inc-EMC Div - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3f.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch - Manufacturer Part Number: B3F-1020 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### S3 — [B3F-1020](https://www.flux.ai/adrian95/b3f-1020~wrk.md) - Part Type: Switch - Manufacturer Part Number: B3F-1020 - Manufacturer Name: Omron Electronics Inc-EMC Div - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3f.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### TEMP — [DHT22](https://www.flux.ai/vasy_skral/dht22~ju8.md) - Symbol Style: Parametric - Manufacturer Name: Asair - Manufacturer Part Number: DHT22 - Datasheet URL: https://cdn-shop.adafruit.com/datasheets/Digital+humidity+and+temperature+sensor+AM2302.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Sensor - Package or Case Code: Module **Pins:** - DATA [pin 2] - GND [pin 4] - NULL [pin 3] - VDD [pin 1] ### U3 — [ESP32-DEVKIT-V1](https://www.flux.ai/jharwinbarrozo/esp32-devkit-v1~7xd.md) - Part Type: Module - Symbol Style: Parametric - Manufacturer Part Number: ESP32-DEVKIT-V1 - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf - 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/kaustubhd/the-smart-switch-board-v1~f9](https://www.flux.ai/kaustubhd/the-smart-switch-board-v1~f9).* --- *Generated from [https://www.flux.ai/kaustubhd/the-smart-switch-board-v1~f9](https://www.flux.ai/kaustubhd/the-smart-switch-board-v1~f9)*