# Dreadful Gray Lightcycle ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** sailracingacademy - **Created:** 12/2/2025 - **Last Updated:** 12/3/2025 - **Visibility:** Public - **Plan Step 3.2 Status:** All anchor components are already placed in their designated regions per the implementation plan and have Locked: true set in their properties, so their anchor positions are confirmed and locked. ## Key Components ### D1 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - Role Details: Reverse-polarity protection diode - Role: Protection - Locked: true - Manufacturer Name: Slkor(SLKORMICRO Elec.) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SS14 - Part Type: Diode - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf **Pins:** - Anode [pin A] - Cathode [pin C] ### D2 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - Role: Flyback / Freewheeling - Part Type: Diode - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - Role Details: Flyback diode for relay K1 - Manufacturer Name: Slkor(SLKORMICRO Elec.) - Manufacturer Part Number: SS14 - License: https://creativecommons.org/licenses/by/4.0/ - Locked: true **Pins:** - Anode [pin A] - Cathode [pin C] ### D3 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - Manufacturer Name: Slkor(SLKORMICRO Elec.) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SS14 - Locked: true - Role: Flyback / Freewheeling - Role Details: Flyback diode for relay K2 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - Part Type: Diode **Pins:** - Anode [pin A] - Cathode [pin C] ### D4 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - Part Type: Diode - Role: Flyback / Freewheeling - Locked: true - Role Details: Flyback diode for relay K3 - Manufacturer Name: Slkor(SLKORMICRO Elec.) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SS14 **Pins:** - Anode [pin A] - Cathode [pin C] ### D5 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SS14 - Manufacturer Name: Slkor(SLKORMICRO Elec.) - Role Details: Flyback diode for relay K4 - Role: Flyback / Freewheeling - Locked: true **Pins:** - Anode [pin A] - Cathode [pin C] ### D6 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - Role Details: Flyback diode for relay K5 - Locked: true - Role: Flyback / Freewheeling - Part Type: Diode - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - Manufacturer Part Number: SS14 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Slkor(SLKORMICRO Elec.) **Pins:** - Anode [pin A] - Cathode [pin C] ### D7 — [SFH 2440](https://www.flux.ai/vasy_skral/sfh-2440~zrx.md) - Part Type: Photodiode - Role Details: Photodiode for light sensor interface near top edge - Manufacturer Name: OSRAM Opto Semiconductors Inc. - Datasheet URL: https://dammedia.osram.info/media/resource/hires/osram-dam-2496062/SFH%202440.pdf - Role: Sensor - Manufacturer Part Number: SFH 2440 - Locked: true **Pins:** - A [pin 2] - K [pin 1] ### F1 — [178.6764.0001](https://www.flux.ai/jecstronic/178p6764p0001~4jo.md) - Manufacturer Name: Littelfuse/Commercial Vehicle Products - Locked: true - Part Type: Circuit Protection - Manufacturer Part Number: 178.6764.0001 - Datasheet URL: https://www.littelfuse.com/media?resourcetype=datasheets&itemid=3f05f551-560b-4050-ab12-a352111d7ba3&filename=littelfuse-fuse-holder-mini-fl1-datasheet.pdf - Role Details: Input fuse holder - License: https://creativecommons.org/licenses/by/4.0/ - Role: Protection **Pins:** - 1 [pin 1] - 2 [pin 2] ### J1 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md) - Manufacturer Part Number: 282837-2 - Manufacturer Name: TE Connectivity AMP Connectors - Locked: true - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Part Type: Connector - Role Details: Power input terminal block **Pins:** - 1 [pin 1] - 2 [pin 2] ### J10 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md) - Part Type: Connector - Locked: true - Role Details: Sensor-input terminal block - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Manufacturer Part Number: 282837-2 - Manufacturer Name: TE Connectivity AMP Connectors - Role: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] ### J2 — [282837-4](https://www.flux.ai/adrian95/282837-4~o7p.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://www.te.com/usa-en/product-282837-4.datasheet.pdf - Manufacturer Part Number: 282837-4 - Role: Connector - Manufacturer Name: TE Connectivity AMP Connectors - Role Details: Bottom-center switch terminal block (LED+, GND, +12V, NO) **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J3 — [282837-4](https://www.flux.ai/adrian95/282837-4~o7p.md) - Role: Connector - Role Details: Bottom-center switch terminal block (LED+, GND, +12V, NO) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: TE Connectivity AMP Connectors - Manufacturer Part Number: 282837-4 - Datasheet URL: https://www.te.com/usa-en/product-282837-4.datasheet.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J4 — [282837-4](https://www.flux.ai/adrian95/282837-4~o7p.md) - Manufacturer Part Number: 282837-4 - Datasheet URL: https://www.te.com/usa-en/product-282837-4.datasheet.pdf - Manufacturer Name: TE Connectivity AMP Connectors - Role Details: Bottom-center switch terminal block (LED+, GND, +12V, NO) - Role: Connector - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J5 — [282837-4](https://www.flux.ai/adrian95/282837-4~o7p.md) - Role: Connector - Manufacturer Name: TE Connectivity AMP Connectors - Role Details: Bottom-center switch terminal block (LED+, GND, +12V, NO) - Datasheet URL: https://www.te.com/usa-en/product-282837-4.datasheet.pdf - Manufacturer Part Number: 282837-4 - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J6 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md) - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Part Type: Connector - Locked: true - Manufacturer Part Number: 282837-2 - Manufacturer Name: TE Connectivity AMP Connectors - Role Details: Switch harness terminal block **Pins:** - 1 [pin 1] - 2 [pin 2] ### J7 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md) - Locked: true - Manufacturer Part Number: 282837-2 - Manufacturer Name: TE Connectivity AMP Connectors - Role Details: UART-to-RPi header - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Part Type: Connector - Role: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] ### J8 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md) - Role: Connector - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Role Details: Debug UART header - Part Type: Connector - Locked: true - Manufacturer Part Number: 282837-2 - Manufacturer Name: TE Connectivity AMP Connectors **Pins:** - 1 [pin 1] - 2 [pin 2] ### J9 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md) - Part Type: Connector - Locked: true - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Manufacturer Name: TE Connectivity AMP Connectors - Role Details: SeaTalk terminal block - Manufacturer Part Number: 282837-2 - Role: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] ### K1 — [TQ2SA-5V](https://www.flux.ai/lcsc/tq2sa-5v~qjec.md) - Role: Switching - LCSC Part Number: C2858038 - JLCPCB Part Class: Extended Part - Role Details: Signal relay for load control - Locked: true - Part Type: Signal Relays - Manufacturer Part Number: TQ2SA-5V - Package or Case Code: RELAY-SMD_TQ2SA-3V - Manufacturer Name: PANASONIC(松下) **Pins:** - 1 [pin 1] - 10 [pin 10] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### K2 — [TQ2SA-5V](https://www.flux.ai/lcsc/tq2sa-5v~qjec.md) - Locked: true - Manufacturer Name: PANASONIC(松下) - Package or Case Code: RELAY-SMD_TQ2SA-3V - Part Type: Signal Relays - Manufacturer Part Number: TQ2SA-5V - JLCPCB Part Class: Extended Part - Role Details: Signal relay for load control - Role: Switching - LCSC Part Number: C2858038 **Pins:** - 1 [pin 1] - 10 [pin 10] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### K3 — [TQ2SA-5V](https://www.flux.ai/lcsc/tq2sa-5v~qjec.md) - Manufacturer Name: PANASONIC(松下) - Package or Case Code: RELAY-SMD_TQ2SA-3V - Part Type: Signal Relays - Manufacturer Part Number: TQ2SA-5V - Role Details: Signal relay for load control - JLCPCB Part Class: Extended Part - LCSC Part Number: C2858038 - Locked: true - Role: Switching **Pins:** - 1 [pin 1] - 10 [pin 10] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### K4 — [TQ2SA-5V](https://www.flux.ai/lcsc/tq2sa-5v~qjec.md) - LCSC Part Number: C2858038 - Role: Switching - Part Type: Signal Relays - Manufacturer Part Number: TQ2SA-5V - JLCPCB Part Class: Extended Part - Role Details: Signal relay for load control - Locked: true - Manufacturer Name: PANASONIC(松下) - Package or Case Code: RELAY-SMD_TQ2SA-3V **Pins:** - 1 [pin 1] - 10 [pin 10] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### K5 — [TQ2SA-5V](https://www.flux.ai/lcsc/tq2sa-5v~qjec.md) - Package or Case Code: RELAY-SMD_TQ2SA-3V - Manufacturer Name: PANASONIC(松下) - Locked: true - JLCPCB Part Class: Extended Part - Part Type: Signal Relays - Manufacturer Part Number: TQ2SA-5V - LCSC Part Number: C2858038 - Role Details: Signal relay for load control - Role: Switching **Pins:** - 1 [pin 1] - 10 [pin 10] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### Q1 — [MMBT3904-TP](https://www.flux.ai/jecstronic/mmbt3904-tp~rg8.md) - Manufacturer Name: Micro Commercial Co - Manufacturer Part Number: MMBT3904-TP - License: https://creativecommons.org/licenses/by/4.0/ - Role: Driver - Part Type: Transistor - Locked: true - Role Details: Coil driver for relay K1 - Datasheet URL: https://www.mccsemi.com/pdf/Products/MMBT3904(SOT-23).pdf **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q2 — [MMBT3904-TP](https://www.flux.ai/jecstronic/mmbt3904-tp~rg8.md) - Manufacturer Part Number: MMBT3904-TP - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Micro Commercial Co - Part Type: Transistor - Datasheet URL: https://www.mccsemi.com/pdf/Products/MMBT3904(SOT-23).pdf - Role Details: Coil driver for relay K2 - Locked: true - Role: Driver **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q3 — [MMBT3904-TP](https://www.flux.ai/jecstronic/mmbt3904-tp~rg8.md) - Manufacturer Name: Micro Commercial Co - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MMBT3904-TP - Role Details: Coil driver for relay K3 - Part Type: Transistor - Role: Driver - Datasheet URL: https://www.mccsemi.com/pdf/Products/MMBT3904(SOT-23).pdf - Locked: true **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q4 — [MMBT3904-TP](https://www.flux.ai/jecstronic/mmbt3904-tp~rg8.md) - Manufacturer Part Number: MMBT3904-TP - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Coil driver for relay K4 - Manufacturer Name: Micro Commercial Co - Datasheet URL: https://www.mccsemi.com/pdf/Products/MMBT3904(SOT-23).pdf - Role: Driver - Part Type: Transistor - Locked: true **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q5 — [MMBT3904-TP](https://www.flux.ai/jecstronic/mmbt3904-tp~rg8.md) - Role Details: Coil driver for relay K5 - Locked: true - Manufacturer Part Number: MMBT3904-TP - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Micro Commercial Co - Role: Driver - Datasheet URL: https://www.mccsemi.com/pdf/Products/MMBT3904(SOT-23).pdf - Part Type: Transistor **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### U1 — [ESP32-WROOM-32D](https://www.flux.ai/vasyl/esp32-wroom-32d~7py.md) - Locked: true - Role Details: Anchor for ESP32 module - Role: Main MCU - Manufacturer Part Number: ESP32-WROOM-32D - Part Type: Microcontroller - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf **Pins:** - 3.3V [pin 2] - AGND [pin 39] - CLK [pin 20] - CMD [pin 19] - EN [pin 3] - GND [pin 38] - GND [pin 15] - GND [pin 1] - IO0 [pin 25] - IO12 [pin 14] - IO13 [pin 16] - IO14 [pin 13] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - NC [pin 32] - RXD0 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 17] - SD3 [pin 18] - TXD0 [pin 35] - VN [pin 5] - VP [pin 4] ### U2 — [TPS62142RGTR](https://www.flux.ai/vasyl/tps62142rgtr~ws1.md) - Manufacturer Name: Texas Instruments - Role: Power Conversion - Locked: true - Role Details: 3.3V buck regulator for ESP32 power rail - Manufacturer Part Number: TPS62142RGTR - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftps62140 - Part Type: Integrated Circuit **Pins:** - AGND [pin 6] - AVIN [pin 10] - DEF [pin 8] - EN [pin 13] - EP [pin 17] - FB [pin 5] - FSW [pin 7] - PG [pin 4] - PGND [pin 16] - PGND [pin 15] - PVIN [pin 11] - PVIN [pin 12] - SS/TR [pin 9] - SW [pin 3] - SW [pin 1] - SW [pin 2] - VOS [pin 14] ### U3 — [LM358](https://www.flux.ai/lcsc/lm358~zei0.md) - Frequency: 1MHz - Role Details: Tachometer op-amp - Operating Voltage: 3V to 32V - Package: SOP-8_L4.9-W3.9-P1.27-LS6.0-BL - Manufacturer Part Number: LM358 - Manufacturer Name: HX(恒佳兴) - Logic Function: Amplifier - LCSC Part Number: C2984960 - JLCPCB Part Class: Extended Part - Part Type: Operational Amplifier (OP-AMP) - Power Consumption: Low - Role: Signal Conditioning - Package or Case Code: SOP-8_L4.9-W3.9-P1.27-LS6.0-BL - Locked: true - Integrated Circuit Type: Operational Amplifier (OP-AMP) **Pins:** - IN1- [pin 2] - IN1+ [pin 3] - IN2- [pin 6] - IN2+ [pin 5] - OUT1 [pin 1] - OUT2 [pin 7] - VCC [pin 8] - VEE/GND [pin 4] ### U4 — [OPA188AIDBVR](https://www.flux.ai/jecstronic/opa188aidbvr~4yk.md) - Locked: true - Part Type: Operational Amplifier (OP-AMP) - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fopa188 - Manufacturer Name: Texas Instruments - Role: Amplification - Role Details: Transimpedance amplifier for photodiode U4 - Manufacturer Part Number: OPA188AIDBVR **Pins:** - - [pin 4] - + [pin 3] - OUTPUT [pin 1] - V- [pin 2] - V+ [pin 5] ### U6 — [RV1S9062ACCSP-10YV#SC0](https://www.flux.ai/adrian95/rv1s9062accsp-10yvsc0~2pd.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Renesas Electronics America Inc - Locked: true - Role: Isolation - Datasheet URL: https://www.mouser.com/datasheet/2/698/r08ds0270ej0100_rv1s9062a-3045816.pdf - Role Details: SeaTalk opto-isolator adjacent to J10 - Manufacturer Part Number: RV1S9062ACCSP-10YV#SC0 - Part Type: Isolator **Pins:** - ANODE [pin 1] - CATHODE [pin 2] - GND [pin 3] - VCC [pin 5] - VO [pin 4] ### U7 — [PCA9306DCUT](https://www.flux.ai/jecstronic/pca9306dcut~atk.md) - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Role Details: SeaTalk level shifter adjacent to J10 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fpca9306 - Manufacturer Part Number: PCA9306DCUT - Role: Logic-level Shifting - Locked: true **Pins:** - EN [pin 8] - GND [pin 4] - SCL1 [pin 2] - SCL2 [pin 6] - SDA1 [pin 3] - SDA2 [pin 5] - VREF1 [pin 1] - VREF2 [pin 7] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/sailracingacademy/dreadful-gray-lightcycle~fb](https://www.flux.ai/sailracingacademy/dreadful-gray-lightcycle~fb).* --- *Generated from [https://www.flux.ai/sailracingacademy/dreadful-gray-lightcycle~fb](https://www.flux.ai/sailracingacademy/dreadful-gray-lightcycle~fb)*