# Smart Coaster CAN Node ## Description Single smart-bar bottle-position node with ESP32-C3, CAN, NAU7802 load-cell input, 24 SK6812 RGBWW LEDs, 12 V pump output, USB-C, and protected 12 V power conversion. ## Project Details - **Owner:** dacre - **Created:** 8/31/2026 - **Last Updated:** 8/31/2026 - **Visibility:** Public ## Key Components ### D1 — SMBJ14A-HF - JLCPCB Part Class: Extended Part - Datasheet URL: https://www.lcsc.com/datasheet/C2444165.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNeR1VeX1BUT1NbXjsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Package or Case Code: SMB_L4.3-W3.6-LS5.4-RD - Manufacturer Name: Comchip(典琦) - Part Type: TVS - LCSC Part Number: C2444165 - Functional Group: 12V Input Protection - Manufacturer Part Number: SMBJ14A-HF - License: https://creativecommons.org/licenses/by/4.0/ - Role: Protection - Role Details: 14V standoff, ~23.2V clamp provisional input transient protection **Pins:** - A [pin 2] - K [pin 1] ### D2 — SS56 - Manufacturer Part Number: SS56 - LCSC Part Number: C65009 - Datasheet URL: https://www.lcsc.com/datasheet/C65009.pdf?spm=wm.sxq.inf.ggs___wm.ssy.bg.0.xh&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhaXlxfQlZWUjsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Diode Type: Schottky Diode - Manufacturer Name: MDD(Microdiode Semiconductor) - Role Details: 60V 5A Schottky across pump - JLCPCB Part Class: Extended Part - Forward Voltage: 0.55V - Reverse Voltage: 60V - Part Type: Schottky Barrier Diodes (SBD) - Package or Case Code: SMC_L6.9-W5.9-LS7.9-R-RD - Functional Group: Pump Driver - License: https://creativecommons.org/licenses/by/4.0/ - Role: Flyback Diode **Pins:** - A [pin 1] - K [pin 2] ### F1 — 1812L200/12DR - License: https://creativecommons.org/licenses/by/4.0/ - Current Rating: 2A - Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/resettable_ptcs/littelfuse_ptc_1812l_datasheet.pdf.pdf - Role Details: 2A hold PTC; verify ambient derating before release - Role: Protection - Manufacturer Part Number: 1812L150/12DR - Manufacturer Name: Littelfuse Inc. - Functional Group: 12V Input Protection - Part Type: Fuse **Pins:** - P1 [pin 1] - P2 [pin 2] ### J1 — 15ETYRM-3.5-04P-14-00AH - Part Type: Pluggable System Terminal Block - Role Details: Toponelec 15ETYRM-3.5-04P-class locking pluggable header; pin 1 12V_RAW, pin 2 GND, pin 3 CANH, pin 4 CANL - LCSC Part Number: C2840341 - JLCPCB Part Class: Extended Part - Manufacturer Part Number: 15ETYRM-3.5-04P-14-00AH - Manufacturer Name: Toponelec(拓宜) - Package or Case Code: CONN-TH_4P-P3.50_TOPONELEC_15ETYRM-3.5-04P-14-00AH - Functional Group: 12V CAN Input - Role: Power Filtering **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J2 — 0393570004 - Connector Type: Terminal Blocks - Connector Pitch: 3.50mm - Role Details: Bridge load-cell connection: pin 1 E+, pin 2 E-, pin 3 S+, pin 4 S- - Connector Positions: 4 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Part Number: 0393570004 - Manufacturer Name: Molex - Connector Gender: Non-Gendered - Datasheet URL: https://www.molex.com/webdocs/datasheets/pdf/en-us/0393570004_TERMINAL_BLOCKS.pdf - Connector Rows: 1 - Role: Load Cell Connector - Functional Group: Load-Cell ADC **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J3 — 1729128 - Manufacturer Part Number: 1729128 - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: 1729128 - Functional Group: Pump Output - Part Type: Connector - Role Details: Two-position screw terminal for brushed pump - Datasheet URL: http://www.phoenixcontact.net/product/1729128 - Role: Pump Connector - Manufacturer Name: Phoenix Contact **Pins:** - 1 [pin 1] - 2 [pin 2] ### J4 — USB-C 2.0 Receptacle - Purchase Url: https://www.digikey.com/en/products/detail/gct/USB4105-GF-A/11198441 - Manufacturer Name: GTC - Datasheet URL: https://gct.co/files/drawings/usb4105.pdf - Symbol Style: parametric-v1 - Role: USB Connector - Role Details: UFP sink CC configuration; native USB data - Part Type: USB C - Manufacturer Part Number: USB4105-GF-A - Functional Group: USB-C **Pins:** - CC1 [pin 6] - CC2 [pin 12] - D- [pin 7] - D- [pin 9] - D+ [pin 10] - D+ [pin 8] - GND [pin 1] - GND [pin 16] - GND [pin 15] - GND [pin 2] - SBU1 [pin 11] - SBU2 [pin 5] - VBUS [pin 3] - VBUS [pin 14] - VBUS [pin 4] - VBUS [pin 13] ### LED1 — SK6812RGBW-WS - LCSC Part Number: C5378724 - Role: Addressable LED - Package or Case Code: SMD - Part Type: Optoelectronic Devices - Mount: Surface Mount - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - Functional Group: LED Ring - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812RGBW-WS **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED10 — SK6812RGBW-WS - Manufacturer Part Number: SK6812RGBW-WS - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Functional Group: LED Ring - Symbol Style: parametric-v1 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Role: Addressable LED - Mount: Surface Mount - Package or Case Code: SMD - Part Type: Optoelectronic Devices - LCSC Part Number: C5378724 **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED11 — SK6812RGBW-WS - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812RGBW-WS - Functional Group: LED Ring - Package or Case Code: SMD - Part Type: Optoelectronic Devices - Role: Addressable LED - Mount: Surface Mount - LCSC Part Number: C5378724 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED12 — SK6812RGBW-WS - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - License: https://creativecommons.org/licenses/by/4.0/ - LCSC Part Number: C5378724 - Mount: Surface Mount - Part Type: Optoelectronic Devices - Package or Case Code: SMD - Manufacturer Part Number: SK6812RGBW-WS - Symbol Style: parametric-v1 - Functional Group: LED Ring - Role: Addressable LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED13 — SK6812RGBW-WS - Manufacturer Part Number: SK6812RGBW-WS - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Symbol Style: parametric-v1 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Functional Group: LED Ring - Role: Addressable LED - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Mount: Surface Mount - Package or Case Code: SMD - Part Type: Optoelectronic Devices - LCSC Part Number: C5378724 **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED14 — SK6812RGBW-WS - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - LCSC Part Number: C5378724 - Functional Group: LED Ring - Mount: Surface Mount - Package or Case Code: SMD - Part Type: Optoelectronic Devices - Manufacturer Part Number: SK6812RGBW-WS - Role: Addressable LED - Symbol Style: parametric-v1 **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED15 — SK6812RGBW-WS - Role: Addressable LED - Functional Group: LED Ring - Manufacturer Part Number: SK6812RGBW-WS - Symbol Style: parametric-v1 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Mount: Surface Mount - Part Type: Optoelectronic Devices - Package or Case Code: SMD - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - LCSC Part Number: C5378724 **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED16 — SK6812RGBW-WS - LCSC Part Number: C5378724 - Package or Case Code: SMD - Part Type: Optoelectronic Devices - Mount: Surface Mount - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - Functional Group: LED Ring - Symbol Style: parametric-v1 - Role: Addressable LED - Manufacturer Part Number: SK6812RGBW-WS **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED17 — SK6812RGBW-WS - Role: Addressable LED - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Part Type: Optoelectronic Devices - Package or Case Code: SMD - Mount: Surface Mount - LCSC Part Number: C5378724 - Functional Group: LED Ring - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Manufacturer Part Number: SK6812RGBW-WS - Symbol Style: parametric-v1 **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED18 — SK6812RGBW-WS - Manufacturer Part Number: SK6812RGBW-WS - Functional Group: LED Ring - Role: Addressable LED - Symbol Style: parametric-v1 - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Part Type: Optoelectronic Devices - Package or Case Code: SMD - Mount: Surface Mount - LCSC Part Number: C5378724 **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED19 — SK6812RGBW-WS - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Symbol Style: parametric-v1 - Functional Group: LED Ring - Manufacturer Part Number: SK6812RGBW-WS - LCSC Part Number: C5378724 - Part Type: Optoelectronic Devices - Package or Case Code: SMD - Mount: Surface Mount - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Role: Addressable LED - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED2 — SK6812RGBW-WS - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - LCSC Part Number: C5378724 - Part Type: Optoelectronic Devices - Package or Case Code: SMD - Mount: Surface Mount - Manufacturer Part Number: SK6812RGBW-WS - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Symbol Style: parametric-v1 - Role: Addressable LED - Functional Group: LED Ring **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED20 — SK6812RGBW-WS - LCSC Part Number: C5378724 - Part Type: Optoelectronic Devices - Package or Case Code: SMD - Mount: Surface Mount - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - Role: Addressable LED - Symbol Style: parametric-v1 - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Manufacturer Part Number: SK6812RGBW-WS - Functional Group: LED Ring **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED21 — SK6812RGBW-WS - LCSC Part Number: C5378724 - Package or Case Code: SMD - Part Type: Optoelectronic Devices - Mount: Surface Mount - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Functional Group: LED Ring - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812RGBW-WS - Role: Addressable LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED22 — SK6812RGBW-WS - Functional Group: LED Ring - Symbol Style: parametric-v1 - Role: Addressable LED - Manufacturer Part Number: SK6812RGBW-WS - LCSC Part Number: C5378724 - Part Type: Optoelectronic Devices - Package or Case Code: SMD - Mount: Surface Mount - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED23 — SK6812RGBW-WS - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: Addressable LED - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Functional Group: LED Ring - Mount: Surface Mount - Package or Case Code: SMD - Part Type: Optoelectronic Devices - LCSC Part Number: C5378724 - Manufacturer Part Number: SK6812RGBW-WS - Symbol Style: parametric-v1 **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED24 — SK6812RGBW-WS - Symbol Style: parametric-v1 - Role: Addressable LED - Functional Group: LED Ring - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Manufacturer Part Number: SK6812RGBW-WS - Mount: Surface Mount - Part Type: Optoelectronic Devices - Package or Case Code: SMD - LCSC Part Number: C5378724 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED3 — SK6812RGBW-WS - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - License: https://creativecommons.org/licenses/by/4.0/ - Role: Addressable LED - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - LCSC Part Number: C5378724 - Part Type: Optoelectronic Devices - Package or Case Code: SMD - Mount: Surface Mount - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Manufacturer Part Number: SK6812RGBW-WS - Symbol Style: parametric-v1 - Functional Group: LED Ring **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED4 — SK6812RGBW-WS - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - LCSC Part Number: C5378724 - Functional Group: LED Ring - Part Type: Optoelectronic Devices - Package or Case Code: SMD - Mount: Surface Mount - Manufacturer Part Number: SK6812RGBW-WS - Symbol Style: parametric-v1 - Role: Addressable LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED5 — SK6812RGBW-WS - LCSC Part Number: C5378724 - Functional Group: LED Ring - Package or Case Code: SMD - Part Type: Optoelectronic Devices - Mount: Surface Mount - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - Role: Addressable LED - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812RGBW-WS - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED6 — SK6812RGBW-WS - Role: Addressable LED - Functional Group: LED Ring - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812RGBW-WS - Mount: Surface Mount - Part Type: Optoelectronic Devices - Package or Case Code: SMD - LCSC Part Number: C5378724 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED7 — SK6812RGBW-WS - LCSC Part Number: C5378724 - Part Type: Optoelectronic Devices - Package or Case Code: SMD - Mount: Surface Mount - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Functional Group: LED Ring - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - Symbol Style: parametric-v1 - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Manufacturer Part Number: SK6812RGBW-WS - Role: Addressable LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED8 — SK6812RGBW-WS - Mount: Surface Mount - Part Type: Optoelectronic Devices - Package or Case Code: SMD - LCSC Part Number: C5378724 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Functional Group: LED Ring - Role: Addressable LED - Symbol Style: parametric-v1 - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Manufacturer Part Number: SK6812RGBW-WS **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### LED9 — SK6812RGBW-WS - Mount: Surface Mount - Part Type: Optoelectronic Devices - Package or Case Code: SMD - LCSC Part Number: C5378724 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/0f067aa334810c191125cd50c8ed476d9cf132ee991ba7e77dfd58cc9c2f3807.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: DONGGUAN OPSCO OPTOELECTRONICS CO., LTD - Role: Addressable LED - Symbol Style: parametric-v1 - Role Details: SK6812RGBW-WS RGB plus warm-white 2700–3000 K addressable LED; replacement 5050-class footprint. - Functional Group: LED Ring - Manufacturer Part Number: SK6812RGBW-WS **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### Q1 — AO3400A - Role Details: 30V logic-level NMOS, 2A inrush margin pending thermal layout review - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Functional Group: Pump Driver - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: AO3400A - Role: Pump Switch - Part Type: Transistor - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### SW1 — TS-1088-AR02016 - JLCPCB Part Class: Extended Part - LCSC Part Number: C720477 - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - Manufacturer Part Number: TS-1088-AR02016 - Manufacturer Name: XUNPU(讯普) - Role: Reset Switch - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - Role Details: Accessible EN reset to ground - Part Type: Tactile Switches - Functional Group: MCU Support **Pins:** - 1 [pin 1] - 2 [pin 2] ### SW2 — TS-1088-AR02016 - Manufacturer Part Number: TS-1088-AR02016 - Role Details: GPIO9 BOOT to ground - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - LCSC Part Number: C720477 - Role: Boot Switch - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - Part Type: Tactile Switches - Functional Group: MCU Support - Manufacturer Name: XUNPU(讯普) **Pins:** - 1 [pin 1] - 2 [pin 2] ### TP1 — Test Point-1 - Role: Test Point - Role Details: Factory pogo 5V - Functional Group: Factory Test **Pins:** - undefined ### TP2 — Test Point-1 - Functional Group: Factory Test - Role: Test Point - Role Details: Factory pogo GND **Pins:** - undefined ### TP3 — Test Point-1 - Role: Test Point - Functional Group: Factory Test - Role Details: Factory pogo USB D+ **Pins:** - undefined ### TP4 — Test Point-1 - Functional Group: Factory Test - Role: Test Point - Role Details: Factory pogo USB D- **Pins:** - undefined ### TP5 — Test Point-1 - Functional Group: Factory Test - Role: Test Point - Role Details: Factory pogo EN **Pins:** - undefined ### TP6 — Test Point-1 - Role: Test Point - Role Details: Factory pogo GPIO9_BOOT - Functional Group: Factory Test **Pins:** - undefined ### U1 — ESP32-C3-MINI-1-H4X - Package or Case Code: Module - Role: Microcontroller - Manufacturer Part Number: ESP32-C3-MINI-1-H4X - Role Details: Native USB, TWAI, I2C, LED, pump and button controller - Manufacturer Name: Espressif - Symbol Style: parametric-v1 - Datasheet URL: https://www.mouser.com/catalog/specsheets/Espressif_Systems_esp32-c3-mini-1_datasheet_en.pdf - Part Type: Integrated Circuits - Mount: Surface Mount - Functional Group: MCU **Pins:** - 3V3 [pin 3] - EN [pin 8] - GND_1 [pin 1] - GND_10 [pin 41] - GND_11 [pin 42] - GND_12 [pin 43] - GND_13 [pin 44] - GND_14 [pin 45] - GND_15 [pin 46] - GND_16 [pin 47] - GND_17 [pin 48] - GND_18 [pin 49] - GND_19 [pin 50] - GND_2 [pin 2] - GND_20 [pin 51] - GND_21 [pin 52] - GND_22 [pin 53] - GND_23 [pin 54] - GND_24 [pin 55] - GND_25 [pin 56] - GND_26 [pin 57] - GND_27 [pin 58] - GND_28 [pin 59] - GND_29 [pin 60] - GND_3 [pin 11] - GND_30 [pin 61] - GND_4 [pin 14] - GND_5 [pin 36] - GND_6 [pin 37] - GND_7 [pin 38] - GND_8 [pin 39] - GND_9 [pin 40] - IO0 [pin 12] - IO1 [pin 13] - IO10 [pin 16] - IO18 [pin 26] - IO19 [pin 27] - IO2 [pin 5] - IO3 [pin 6] - IO4 [pin 18] - IO5 [pin 19] - IO6 [pin 20] - IO7 [pin 21] - IO8 [pin 22] - IO9 [pin 23] - NC_1 [pin 4] - NC_10 [pin 29] - NC_11 [pin 32] - NC_12 [pin 33] - NC_13 [pin 34] - NC_14 [pin 35] - NC_2 [pin 7] - NC_3 [pin 9] - NC_4 [pin 10] - NC_5 [pin 15] - NC_6 [pin 17] - NC_7 [pin 24] - NC_8 [pin 25] - NC_9 [pin 28] - RXD0 [pin 30] - TXD0 [pin 31] ### U2 — TCAN334GDR - Product Info Url: https://lcsc.com/product-detail/CAN_TI_TCAN334GDR_TCAN334GDR_C189939.html - LCSC Part Number: C189939 - Role Details: 500 kbit/s classic CAN short stub; no termination - Role: CAN Transceiver - Part Type: CAN ICs - JLCPCB Part Class: Extended Part - Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL - Functional Group: CAN - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010330_Texas-Instruments-TCAN334GDR_C189939.pdf - Manufacturer Part Number: TCAN334GDR - Manufacturer Name: TI(德州仪器) **Pins:** - CANH [pin 7] - CANL [pin 6] - GND [pin 2] - RXD [pin 4] - SHDN [pin 5] - STB [pin 8] - TXD [pin 1] - VCC [pin 3] ### U3 — TPS54302DDCT - Role Details: 12V protected input to 5V, sized for 1.92A LED full-white load - Manufacturer Part Number: TPS54302DDCT - Functional Group: 12V to 5V Power - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Role: Buck Regulator - Datasheet URL: https://www.ti.com/lit/gpn/TPS54302 **Pins:** - BOOT [pin 6] - EN [pin 5] - FB [pin 4] - GND [pin 1] - SW [pin 2] - VIN [pin 3] ### U4 — LMR33630BDDAR - Role: Buck Regulator - Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-EP2.8-1 - JLCPCB Part Class: Extended Part - Functional Group: 5V to 3V3 Power - Manufacturer Part Number: LMR33630BDDAR - Datasheet URL: https://www.ti.com/lit/ds/symlink/lmr33630.pdf - LCSC Part Number: C544370 - Part Type: DC-DC Converters - Role Details: 3.3V supply with margin over ESP/CAN/ADC peak - Manufacturer Name: TI(德州仪器) **Pins:** - BOOT [pin 7] - EN [pin 3] - EP [pin 9] - FB [pin 5] - PG [pin 4] - PGND [pin 1] - SW [pin 8] - VCC [pin 6] - VIN [pin 2] ### U5 — 74AHCT1G125DBVRG4 - Functional Group: LED Driver - Package or Case Code: SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BL - LCSC Part Number: C2676173 - Role Details: 5V AHCT TTL-input buffer; OE hard-enabled - Role: Logic Buffer - Manufacturer Name: TI(德州仪器) - JLCPCB Part Class: Extended Part - Part Type: Buffers / Drivers - Manufacturer Part Number: 74AHCT1G125DBVRG4 **Pins:** - ~{OE} [pin 1] - A [pin 2] - GND [pin 3] - VCC [pin 5] - Y [pin 4] ### U6 — USBLC6-2P6 - Manufacturer Part Number: USBLC6-2P6 - JLCPCB Part Class: Extended Part - LCSC Part Number: C2827693 - Role: ESD Protection - Part Type: ESD Protection Devices - Manufacturer Name: TECH PUBLIC(台舟) - Package or Case Code: SOT-666-6_L1.6-W1.2-P0.50-LS1.6-BL - Datasheet URL: https://www.lcsc.com/datasheet/C2827693.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNeR1VeUFNeTlhdXjsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - License: https://creativecommons.org/licenses/by/4.0/ - Symbol Style: parametric-v1 - Functional Group: USB-C - Role Details: Low-capacitance USB D+/D- ESD array **Pins:** - GND [pin 2] - I/O1 [pin 6] - I/O1 [pin 1] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### U7 — LM66100DCKR - LCSC Part Number: C2869734 - Symbol Style: parametric-v1 - Functional Group: USB-C - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/073d95fd957eb97860bc1955e3d8437c849217e594930e2542a315ec77cc0da2.pdf - Part Type: Integrated Circuit - Role Details: USB VBUS low-load/service 5V OR option; 1.5A limit - Manufacturer Name: TI(德州仪器) - Package or Case Code: SC-70-6_L2.0-W1.3-P0.65-LS2.1-BL - Manufacturer Part Number: LM66100DCKR - Role: Ideal Diode **Pins:** - ~{CE} [pin 3] - GND [pin 2] - NC [pin 4] - ST [pin 5] - VIN [pin 1] - VOUT [pin 6] ### U8 — ADS1232IPW - Functional Group: Load-Cell ADC - Manufacturer Part Number: ADS1232IPW - Part Type: Integrated Circuit - Role Details: ADS1232 24-bit bridge ADC; 80 SPS, 3.3V analog/digital supply and ratiometric 3.3V bridge excitation - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/lit/ds/symlink/ads1232.pdf - Role: Bridge ADC **Pins:** - ~DRDY~/DOUT [pin 24] - ~PWDN~ [pin 22] - A0 [pin 8] - AGND [pin 17] - AINN1 [pin 12] - AINN2 [pin 13] - AINP1 [pin 11] - AINP2 [pin 14] - AVDD [pin 18] - CAP [pin 9] - CAP [pin 10] - CLKIN/XTAL1 [pin 3] - DGND [pin 5] - DGND [pin 6] - DGND [pin 2] - DVDD [pin 1] - GAIN0 [pin 19] - GAIN1 [pin 20] - REFN [pin 15] - REFP [pin 16] - SCLK [pin 23] - SPEED [pin 21] - TEMP [pin 7] - XTAL2 [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/dacre/smart-coaster-can-node~5ad](https://www.flux.ai/dacre/smart-coaster-can-node~5ad).* --- *Generated from [https://www.flux.ai/dacre/smart-coaster-can-node~5ad](https://www.flux.ai/dacre/smart-coaster-can-node~5ad)*