# Angry Maroon TARDIS ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** darderik - **Created:** 5/26/2025 - **Last Updated:** 6/2/2025 - **Visibility:** Public ## Key Components ### K1 — [HFD2/012-S-L2-D](https://www.flux.ai/jecstronic/hfd2012-s-l2-d~2yv.md) - Manufacturer Name: Hongfa - Manufacturer Part Number: HFD2/012-S-L2-D - Part Type: Relay - Datasheet URL: https://pdf1.alldatasheet.com/datasheet-pdf/view/660913/HONGFA/HFD2/012-S-L2-D.html - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - COIL1- [pin 16] - COIL1+ [pin 1] - COIL2- [pin 15] - COIL2+ [pin 2] - COM1 [pin 4] - COM2 [pin 13] - NC1 [pin 6] - NC2 [pin 11] - NO1 [pin 8] - NO2 [pin 9] ### K2 — [HFD2/012-S-L2-D](https://www.flux.ai/jecstronic/hfd2012-s-l2-d~2yv.md) - Datasheet URL: https://pdf1.alldatasheet.com/datasheet-pdf/view/660913/HONGFA/HFD2/012-S-L2-D.html - Part Type: Relay - Manufacturer Name: Hongfa - Manufacturer Part Number: HFD2/012-S-L2-D - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - COIL1- [pin 16] - COIL1+ [pin 1] - COIL2- [pin 15] - COIL2+ [pin 2] - COM1 [pin 4] - COM2 [pin 13] - NC1 [pin 6] - NC2 [pin 11] - NO1 [pin 8] - NO2 [pin 9] ### K3 — [HFD2/012-S-L2-D](https://www.flux.ai/jecstronic/hfd2012-s-l2-d~2yv.md) - Part Type: Relay - Datasheet URL: https://pdf1.alldatasheet.com/datasheet-pdf/view/660913/HONGFA/HFD2/012-S-L2-D.html - Manufacturer Part Number: HFD2/012-S-L2-D - Manufacturer Name: Hongfa - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - COIL1- [pin 16] - COIL1+ [pin 1] - COIL2- [pin 15] - COIL2+ [pin 2] - COM1 [pin 4] - COM2 [pin 13] - NC1 [pin 6] - NC2 [pin 11] - NO1 [pin 8] - NO2 [pin 9] ### K4 — [HFD2/012-S-L2-D](https://www.flux.ai/jecstronic/hfd2012-s-l2-d~2yv.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: HFD2/012-S-L2-D - Manufacturer Name: Hongfa - Datasheet URL: https://pdf1.alldatasheet.com/datasheet-pdf/view/660913/HONGFA/HFD2/012-S-L2-D.html - Part Type: Relay **Pins:** - COIL1- [pin 16] - COIL1+ [pin 1] - COIL2- [pin 15] - COIL2+ [pin 2] - COM1 [pin 4] - COM2 [pin 13] - NC1 [pin 6] - NC2 [pin 11] - NO1 [pin 8] - NO2 [pin 9] ### K5 — [HFD2/012-S-L2-D](https://www.flux.ai/jecstronic/hfd2012-s-l2-d~2yv.md) - Part Type: Relay - Datasheet URL: https://pdf1.alldatasheet.com/datasheet-pdf/view/660913/HONGFA/HFD2/012-S-L2-D.html - Manufacturer Name: Hongfa - Manufacturer Part Number: HFD2/012-S-L2-D - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - COIL1- [pin 16] - COIL1+ [pin 1] - COIL2- [pin 15] - COIL2+ [pin 2] - COM1 [pin 4] - COM2 [pin 13] - NC1 [pin 6] - NC2 [pin 11] - NO1 [pin 8] - NO2 [pin 9] ### K6 — [HFD2/012-S-L2-D](https://www.flux.ai/jecstronic/hfd2012-s-l2-d~2yv.md) - Part Type: Relay - Datasheet URL: https://pdf1.alldatasheet.com/datasheet-pdf/view/660913/HONGFA/HFD2/012-S-L2-D.html - Manufacturer Part Number: HFD2/012-S-L2-D - Manufacturer Name: Hongfa - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - COIL1- [pin 16] - COIL1+ [pin 1] - COIL2- [pin 15] - COIL2+ [pin 2] - COM1 [pin 4] - COM2 [pin 13] - NC1 [pin 6] - NC2 [pin 11] - NO1 [pin 8] - NO2 [pin 9] ### U1 — [MCP23017-E-SS](https://www.flux.ai/jecstronic/mcp23017-e-ss~ke.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Part Number: MCP23017-E/SS - Manufacturer Name: Microchip - Datasheet URL: http://www.microchip.com/mymicrochip/filehandler.aspx?ddocname=en023709 **Pins:** - ~RESET~ [pin 18] - A0 [pin 15] - A1 [pin 16] - A2 [pin 17] - GPA0 [pin 21] - GPA1 [pin 22] - GPA2 [pin 23] - GPA3 [pin 24] - GPA4 [pin 25] - GPA5 [pin 26] - GPA6 [pin 27] - GPA7 [pin 28] - GPB0 [pin 1] - GPB1 [pin 2] - GPB2 [pin 3] - GPB3 [pin 4] - GPB4 [pin 5] - GPB5 [pin 6] - GPB6 [pin 7] - GPB7 [pin 8] - INTA [pin 20] - INTB [pin 19] - NC [pin 14] - NC [pin 11] - SCK [pin 12] - SDA [pin 13] - VDD [pin 9] - VSS [pin 10] ### U2 — [ULN2803A](https://www.flux.ai/lcsc/uln2803a~i9jk.md) - Product Info Url: https://lcsc.com/product-detail/Darlington-transistor-array-driver_UMW-Youtai-Semiconductor-Co-Ltd-ULN2803A_C845537.html - Manufacturer Name: UMW(友台半导体) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410251531_UMW-Youtai-Semiconductor-Co---Ltd--ULN2803A_C845537.pdf - JLCPCB Part Class: Extended Part - Part Type: Darlington transistor array driver - Package or Case Code: SOP-18_L11.4-W7.6-P1.27-LS10.6-BL - Manufacturer Part Number: ULN2803A - LCSC Part Number: C845537 **Pins:** - COM [pin 10] - GND [pin 9] - Input [pin 5] - Input [pin 1] - Input [pin 6] - Input [pin 4] - Input [pin 8] - Input [pin 3] - Input [pin 2] - Input [pin 7] - Output [pin 16] - Output [pin 15] - Output [pin 13] - Output [pin 12] - Output [pin 18] - Output [pin 17] - Output [pin 11] - Output [pin 14] ### U3 — [ULN2803A](https://www.flux.ai/lcsc/uln2803a~i9jk.md) - Manufacturer Part Number: ULN2803A - LCSC Part Number: C845537 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410251531_UMW-Youtai-Semiconductor-Co---Ltd--ULN2803A_C845537.pdf - Product Info Url: https://lcsc.com/product-detail/Darlington-transistor-array-driver_UMW-Youtai-Semiconductor-Co-Ltd-ULN2803A_C845537.html - Manufacturer Name: UMW(友台半导体) - Part Type: Darlington transistor array driver - Package or Case Code: SOP-18_L11.4-W7.6-P1.27-LS10.6-BL - JLCPCB Part Class: Extended Part **Pins:** - COM [pin 10] - GND [pin 9] - Input [pin 5] - Input [pin 1] - Input [pin 6] - Input [pin 4] - Input [pin 8] - Input [pin 3] - Input [pin 2] - Input [pin 7] - Output [pin 16] - Output [pin 15] - Output [pin 13] - Output [pin 12] - Output [pin 18] - Output [pin 17] - Output [pin 11] - Output [pin 14] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/darderik/angry-maroon-tardis~ub](https://www.flux.ai/darderik/angry-maroon-tardis~ub).* --- *Generated from [https://www.flux.ai/darderik/angry-maroon-tardis~ub](https://www.flux.ai/darderik/angry-maroon-tardis~ub)*