# Access Reader ## Description Мультиформатный IoT-считыватель доступа на ESP32-S3 с QR, NFC/Mifare, EM-Marine, Wi-Fi/Ethernet/PoE, двумя реле и локальной офлайн-валидацией. ## Project Details - **Owner:** asfasdfsdf - **Created:** 7/9/2026 - **Last Updated:** 7/9/2026 - **Visibility:** Public - **Implementation Details:** ESP32-S3 access reader - **Operating Voltage:** 32V - **Operating Temperature:** 50C - **Power Requirements:** Power-over-Ethernet - **Software:** Bare metal - **Connectivity:** Ethernet - **Domain:** Industrial/Manufacturing ## Key Components ### BR1 — [CD-MMBL110S](https://www.flux.ai/jecstronic/cd-mmbl110s~4ej.md) - Forward Voltage: 900mV - Manufacturer Name: Bourns - Manufacturer Part Number: CD-MMBL110S - Role Details: PoE polarity bridge before AG9905 input - Role: Rectification - Datasheet URL: https://www.mouser.ca/datasheet/2/54/Bourns_CD_MMBL110S_datasheet-2586146.pdf - Part Type: Bridge Rectifiers **Pins:** - - - + - ~_1 - ~_2 ### BR2 — [CD-MMBL110S](https://www.flux.ai/jecstronic/cd-mmbl110s~4ej.md) - Part Type: Bridge Rectifiers - Role Details: PoE polarity bridge before AG9905 input - Datasheet URL: https://www.mouser.ca/datasheet/2/54/Bourns_CD_MMBL110S_datasheet-2586146.pdf - Forward Voltage: 900mV - Role: Rectification - Manufacturer Name: Bourns - Manufacturer Part Number: CD-MMBL110S **Pins:** - - - + - ~_1 - ~_2 ### BT1 — [CR1220-2](https://www.flux.ai/jecstronic/cr1220-2~407.md) - Manufacturer Part Number: CR1220-2 - Datasheet URL: https://lcsc.com/product-detail/Battery-Connectors_Q-J-CR1220-2_C70381.html - Role: Energy Storage - Manufacturer Name: Q&J - Role Details: CR1220 backup for PCF8563; no charging path - Part Type: Battery Connector **Pins:** - Negative - Positive ### BZ1 — [CMI-9653S-SMT-TR](https://www.flux.ai/adrian95/cmi-9653s-smt-tr~7o.md) - Role: Buzzer - Part Type: Buzzer - Manufacturer Part Number: CMI-9653S-SMT-TR - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Buzzer driven from GPIO45 through transistor because GPIO45 is strapping and must not be forced at boot - Manufacturer Name: Same Sky - Package or Case Code: CMI9653SSMTTR - Datasheet URL: https://componentsearchengine.com/Datasheets/1/CMI-9653S-SMT-TR.pdf **Pins:** - - [pin 1] - + [pin 2] ### D1 — [SS14](https://www.flux.ai/cherepanyadima/ss14~5b.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - Manufacturer Part Number: SS14 - Role Details: Flyback diode across 5V relay coil - Manufacturer Name: Slkor(SLKORMICRO Elec.) - Role: Flyback / Freewheeling - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Diode **Pins:** - Anode [pin A] - Cathode [pin C] ### D10 — [WS2812B](https://www.flux.ai/kicad-part-library/ws2812b~l5u.md) - Manufacturer Part Number: WS2812B - Part Type: LED SMD - Role: Status RGB LED - Datasheet URL: https://cdn-shop.adafruit.com/datasheets/WS2812B.pdf - Package or Case Code: LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm - Role Details: WS2812B data on GPIO3 with strapping risk managed by series resistor/no hard pull **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D2 — [SS14](https://www.flux.ai/cherepanyadima/ss14~5b.md) - Manufacturer Part Number: SS14 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - Role: Flyback / Freewheeling - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Flyback diode across 5V relay coil - Manufacturer Name: Slkor(SLKORMICRO Elec.) **Pins:** - Anode [pin A] - Cathode [pin C] ### D3 — [PESD5V0S1BA](https://www.flux.ai/lcsc/pesd5v0s1ba~qi2k.md) - Role: Protection - Diode Type: TVS Diode - JLCPCB Part Class: Extended Part - Forward Voltage: 0.8V - Part Type: ESD Protection Devices - Datasheet URL: https://www.lcsc.com/datasheet/C2827694.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhaXlFRR1ZWXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Manufacturer Part Number: PESD5V0S1BA - Manufacturer Name: TECH PUBLIC(台舟) - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: SOD-323_L1.7-W1.3-LS2.5-BI - Role Details: Bidirectional TVS for external field signal line - Max Reverse Voltage: 5V - LCSC Part Number: C2827694 **Pins:** - 1 [pin 1] - 2 [pin 2] ### D4 — [PESD5V0S1BA](https://www.flux.ai/lcsc/pesd5v0s1ba~qi2k.md) - LCSC Part Number: C2827694 - Max Reverse Voltage: 5V - Package or Case Code: SOD-323_L1.7-W1.3-LS2.5-BI - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Bidirectional TVS for external field signal line - Manufacturer Name: TECH PUBLIC(台舟) - Manufacturer Part Number: PESD5V0S1BA - Datasheet URL: https://www.lcsc.com/datasheet/C2827694.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhaXlFRR1ZWXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Part Type: ESD Protection Devices - JLCPCB Part Class: Extended Part - Diode Type: TVS Diode - Forward Voltage: 0.8V - Role: Protection **Pins:** - 1 [pin 1] - 2 [pin 2] ### D5 — [PESD5V0S1BA](https://www.flux.ai/lcsc/pesd5v0s1ba~qi2k.md) - Diode Type: TVS Diode - Part Type: ESD Protection Devices - Forward Voltage: 0.8V - JLCPCB Part Class: Extended Part - Role: Protection - Manufacturer Part Number: PESD5V0S1BA - Datasheet URL: https://www.lcsc.com/datasheet/C2827694.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhaXlFRR1ZWXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Role Details: Bidirectional TVS for external field signal line - Manufacturer Name: TECH PUBLIC(台舟) - Package or Case Code: SOD-323_L1.7-W1.3-LS2.5-BI - License: https://creativecommons.org/licenses/by/4.0/ - Max Reverse Voltage: 5V - LCSC Part Number: C2827694 **Pins:** - 1 [pin 1] - 2 [pin 2] ### D6 — [PESD5V0S1BA](https://www.flux.ai/lcsc/pesd5v0s1ba~qi2k.md) - Forward Voltage: 0.8V - Diode Type: TVS Diode - Part Type: ESD Protection Devices - JLCPCB Part Class: Extended Part - Role Details: Bidirectional TVS for external field signal line - Manufacturer Name: TECH PUBLIC(台舟) - Manufacturer Part Number: PESD5V0S1BA - Datasheet URL: https://www.lcsc.com/datasheet/C2827694.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhaXlFRR1ZWXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Package or Case Code: SOD-323_L1.7-W1.3-LS2.5-BI - License: https://creativecommons.org/licenses/by/4.0/ - Role: Protection - LCSC Part Number: C2827694 - Max Reverse Voltage: 5V **Pins:** - 1 [pin 1] - 2 [pin 2] ### D7 — [SS14](https://www.flux.ai/cherepanyadima/ss14~5b.md) - Manufacturer Name: Slkor(SLKORMICRO Elec.) - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - Manufacturer Part Number: SS14 - Role Details: DC buck 5V source diode-OR into common 5V_SYS; replace with ideal-diode mux for lower drop if needed - Role: OR-ing Diode **Pins:** - Anode [pin A] - Cathode [pin C] ### D8 — [SS14](https://www.flux.ai/cherepanyadima/ss14~5b.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - Role: OR-ing Diode - Manufacturer Part Number: SS14 - Role Details: AG9905 5V source diode-OR into common 5V_SYS; reverse-blocks other source - Manufacturer Name: Slkor(SLKORMICRO Elec.) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Diode **Pins:** - Anode [pin A] - Cathode [pin C] ### J1 — [ARJM11D7-114-AB-EW2](https://www.flux.ai/adrian95/arjm11d7-114-ab-ew2~ctl.md) - Manufacturer Name: Abracon LLC - Part Type: Connector - Role: Isolation - Role Details: RJ45 MagJack with integrated magnetics and PoE center taps; board-edge connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://abracon.com/Magnetics/ARJM11.pdf - Manufacturer Part Number: ARJM11D7-114-AB-EW2 **Pins:** - ANODE_GREEN [pin L1] - ANODE_YELLOW [pin L3] - CATHODE_GREEN [pin L2] - CATHODE_YELLOW [pin L4] - MH1 [pin MH1] - MH2 [pin MH2] - RCT [pin 4] - RD- [pin 3] - RD+ [pin 5] - TCT [pin 9] - TD- [pin 8] - TD+ [pin 10] - VC-_1 [pin 1] - VC-_2 [pin 2] - VC+_1 [pin 6] - VC+_2 [pin 7] ### J10 — [FPC-1.0AX-12PWBH25](https://www.flux.ai/lcsc/fpc-1p0ax-12pwbh25~j22s.md) - Role Details: GM861-series 12-pin FPC: VCC, GND, UART RX/TX, USB D-/D+, PWRDWN, TRIG; pinout orientation to verify at assembly - JLCPCB Part Class: Extended Part - LCSC Part Number: C3446109 - Package or Case Code: FPC-SMD_12P-P1.00_XUNPU_FPC-1.0AX-12PWBH25 - Part Type: FFC/FPC Connectors - Role: Connector - Manufacturer Name: XUNPU(讯普) - Manufacturer Part Number: FPC-1.0AX-12PWBH25 **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J101 — [61300211121](https://www.flux.ai/adrian95/61300211121~11.md) - Role: Connector - Connector Positions: 2 - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Connector Pitch: 2.54mm - Connector Type: Pin Header - Manufacturer Part Number: 61300211121 - Role Details: External 125kHz LF coil connector for EM4095 ANT1/ANT2; coil value hundreds of µH tuned at EVT - Datasheet URL: https://www.we-online.com/components/products/datasheet/61300211121.pdf - Manufacturer Name: Würth Elektronik **Pins:** - P1 [pin 1] - P2 [pin 2] ### J2 — [TYPE-C-2.0-16PIN-SMT-3-OR](https://www.flux.ai/lcsc/type-c-2p0-16pin-smt-3-or~957d.md) - Role Details: USB-C sink/service connector; VBUS not tied to main 5V rail by default - Package or Case Code: USB-SMD_TYPE-C16PIN-1 - Part Type: USB Connectors - LCSC Part Number: C2987387 - Manufacturer Part Number: TYPE-C-2.0-16PIN-SMT-3-OR - Manufacturer Name: CIKI(皓富) - Role: Protection - JLCPCB Part Class: Extended Part **Pins:** - 17 [pin 17] - 18 [pin 18] - 19 [pin 19] - 20 [pin 20] - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin B1A12] - GND [pin A1B12] - SBU1 [pin A8] - SBU2 [pin B8] - VBUS [pin A4B9] - VBUS [pin B4A9] ### J3 — [KF128-5.08-2P-AA](https://www.flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md) - Current Rating: 24A - Manufacturer Part Number: KF128-5.08-2P-AA - Connector Positions: 2 - Connector Rows: 1 - Operating Temperature: -40℃~+105℃ - Connector Gender: Female - JLCPCB Part Class: Extended Part - Role Details: Field DC input 9-32V terminal; DC SKU - Connector Pitch: 5.08mm - Role: Protection - Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF128-5-08-2P_C474952.html - Manufacturer Name: KEFA(科发) - LCSC Part Number: C474952 - Package or Case Code: CONN-TH_P5.08_KF128-5.08-2P - Connector Type: Screw terminal - Part Type: Screw terminal - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2408211511_Cixi-Kefa-Elec-KF128-5-08-2P-AA_C474952.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### J4 — [282837-3](https://www.flux.ai/adrian95/282837-3~5mc.md) - Role Details: Relay dry-contact NO/COM/NC terminal - Manufacturer Name: TE Connectivity AMP Connectors - Role: Switching - Part Type: Connector - Manufacturer Part Number: 282837-3 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.te.com/usa-en/product-282837-3.datasheet.pdf **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J5 — [282837-3](https://www.flux.ai/adrian95/282837-3~5mc.md) - Part Type: Connector - Datasheet URL: https://www.te.com/usa-en/product-282837-3.datasheet.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 282837-3 - Role Details: Relay dry-contact NO/COM/NC terminal - Role: Switching - Manufacturer Name: TE Connectivity AMP Connectors **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J6 — [691137710004](https://www.flux.ai/adrian95/691137710004~pa.md) - Manufacturer Part Number: 691137710004 - Role: Protection - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Field wiring terminal for RS485/Wiegand signals - Symbol Style: parametric-v1 - Part Type: Connector - Datasheet URL: https://www.we-online.com/components/products/datasheet/691137710004.pdf - Manufacturer Name: Würth Elektronik **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J7 — [BM06B-GHS-TBT(LF)(SN)](https://www.flux.ai/lcsc/bm06b-ghs-tbtlfsn~a4mr.md) - Product Info Url: https://lcsc.com/product-detail/Connectors_JST-Sales-America_BM06B-GHS-TBT-LF-SN-N_JST-Sales-America-BM06B-GHS-TBT-LF-SN-N_C189892.html - JLCPCB Part Class: Extended Part - Package or Case Code: CONN-SMD_6P-P1.25_BM06B-GHS-TBT-LF-SN-N - Datasheet URL: https://lcsc.com/product-detail/Connectors_JST-Sales-America_BM06B-GHS-TBT-LF-SN-N_JST-Sales-America-BM06B-GHS-TBT-LF-SN-N_C189892.html - Role: Protection - Role Details: External reader module connector: 5V/3V3/GND/UART/I2C/GPIO contract per project docs - Manufacturer Part Number: BM06B-GHS-TBT(LF)(SN) - Part Type: Wire To Board / Wire To Wire Connector - LCSC Part Number: C189892 - Manufacturer Name: JST **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] ### J8 — [BM06B-GHS-TBT(LF)(SN)](https://www.flux.ai/lcsc/bm06b-ghs-tbtlfsn~a4mr.md) - Role Details: External reader module connector: 5V/3V3/GND/UART/I2C/GPIO contract per project docs - Datasheet URL: https://lcsc.com/product-detail/Connectors_JST-Sales-America_BM06B-GHS-TBT-LF-SN-N_JST-Sales-America-BM06B-GHS-TBT-LF-SN-N_C189892.html - Role: Protection - Part Type: Wire To Board / Wire To Wire Connector - LCSC Part Number: C189892 - Manufacturer Name: JST - Manufacturer Part Number: BM06B-GHS-TBT(LF)(SN) - Product Info Url: https://lcsc.com/product-detail/Connectors_JST-Sales-America_BM06B-GHS-TBT-LF-SN-N_JST-Sales-America-BM06B-GHS-TBT-LF-SN-N_C189892.html - Package or Case Code: CONN-SMD_6P-P1.25_BM06B-GHS-TBT-LF-SN-N - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] ### J9 — [BM06B-GHS-TBT(LF)(SN)](https://www.flux.ai/lcsc/bm06b-ghs-tbtlfsn~a4mr.md) - Product Info Url: https://lcsc.com/product-detail/Connectors_JST-Sales-America_BM06B-GHS-TBT-LF-SN-N_JST-Sales-America-BM06B-GHS-TBT-LF-SN-N_C189892.html - Package or Case Code: CONN-SMD_6P-P1.25_BM06B-GHS-TBT-LF-SN-N - JLCPCB Part Class: Extended Part - Part Type: Wire To Board / Wire To Wire Connector - Manufacturer Name: JST - LCSC Part Number: C189892 - Manufacturer Part Number: BM06B-GHS-TBT(LF)(SN) - Role Details: External reader module connector: 5V/3V3/GND/UART/I2C/GPIO contract per project docs - Role: Protection - Datasheet URL: https://lcsc.com/product-detail/Connectors_JST-Sales-America_BM06B-GHS-TBT-LF-SN-N_JST-Sales-America-BM06B-GHS-TBT-LF-SN-N_C189892.html **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] ### K1 — [SLA-05VDC-SL-C](https://www.flux.ai/jecstronic/sla-05vdc-sl-c~fr2.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Ningbo-Songle-Relay-SLA-05VDC-SL-C_C87367.pdf - Manufacturer Name: Ningbo Songle Relay - Manufacturer Part Number: SLA-05VDC-SL-C - Role Details: 5V coil relay; dry-contact output; thermal current must be verified in bring-up - Role: Switching - Part Type: Relay **Pins:** - COIL_1 [pin 5] - COIL_2 [pin 6] - COM_1 [pin 1] - COM_2 [pin 2] - NC [pin 4] - NO [pin 3] ### K2 — [SLA-05VDC-SL-C](https://www.flux.ai/jecstronic/sla-05vdc-sl-c~fr2.md) - Role: Switching - Role Details: 5V coil relay; dry-contact output; thermal current must be verified in bring-up - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Relay - Manufacturer Part Number: SLA-05VDC-SL-C - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Ningbo-Songle-Relay-SLA-05VDC-SL-C_C87367.pdf - Manufacturer Name: Ningbo Songle Relay **Pins:** - COIL_1 [pin 5] - COIL_2 [pin 6] - COM_1 [pin 1] - COM_2 [pin 2] - NC [pin 4] - NO [pin 3] ### Q1 — [AO3400A](https://www.flux.ai/lcsc/ao3400a~e5y2.md) - Operating Temperature: -55 ~ +150℃ - Continuous Drain Current: 5.7A - LCSC Part Number: C347475 - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - JLCPCB Part Class: Extended Part - Part Type: MOSFETs - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Transistor Type: N-channel MOSFET - Manufacturer Part Number: AO3400A - Role Details: Logic-level N-MOSFET low-side driver; gate pulldown keeps relay off at reset - Power: 1.4W - Drain to Source Voltage: 30V - Role: Switching - Manufacturer Name: UMW(友台半导体) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q2 — [AO3400A](https://www.flux.ai/lcsc/ao3400a~e5y2.md) - Operating Temperature: -55 ~ +150℃ - Continuous Drain Current: 5.7A - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - JLCPCB Part Class: Extended Part - Role: Switching - LCSC Part Number: C347475 - Transistor Type: N-channel MOSFET - Role Details: Logic-level N-MOSFET low-side driver; gate pulldown keeps relay off at reset - Part Type: MOSFETs - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Manufacturer Part Number: AO3400A - Power: 1.4W - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Manufacturer Name: UMW(友台半导体) - Drain to Source Voltage: 30V **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q3 — [BSS138](https://www.flux.ai/lcsc/bss138~j6kt.md) - Transistor Type: N-channel MOSFET - Role Details: Logic-level N-MOS open-drain/low-side switching from ESP32 GPIO - Continuous Drain Current: 200mA - Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - LCSC Part Number: C112239 - Manufacturer Part Number: BSS138 - Part Type: MOSFETs - Drain to Source Voltage: 50V - Role: Switching - Product Info Url: https://lcsc.com/product-detail/MOSFET_BSS138_C112239.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811101310_Shikues-BSS138_C112239.pdf **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q4 — [BSS138](https://www.flux.ai/lcsc/bss138~j6kt.md) - Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR - Role Details: Logic-level N-MOS open-drain/low-side switching from ESP32 GPIO - Continuous Drain Current: 200mA - Transistor Type: N-channel MOSFET - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811101310_Shikues-BSS138_C112239.pdf - Product Info Url: https://lcsc.com/product-detail/MOSFET_BSS138_C112239.html - Drain to Source Voltage: 50V - Role: Switching - Part Type: MOSFETs - LCSC Part Number: C112239 - Manufacturer Part Number: BSS138 - Manufacturer Name: SHIKUES(时科) - JLCPCB Part Class: Extended Part **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q5 — [BSS138](https://www.flux.ai/lcsc/bss138~j6kt.md) - Transistor Type: N-channel MOSFET - Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR - Role Details: Logic-level N-MOS open-drain/low-side switching from ESP32 GPIO - Continuous Drain Current: 200mA - LCSC Part Number: C112239 - Manufacturer Part Number: BSS138 - Role: Switching - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Product Info Url: https://lcsc.com/product-detail/MOSFET_BSS138_C112239.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811101310_Shikues-BSS138_C112239.pdf - Part Type: MOSFETs - Drain to Source Voltage: 50V **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q6 — [AO3401A](https://www.flux.ai/lcsc/ao3401a~wvl4.md) - Role: Switching - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3401A-4-1A_C347476.html - Part Type: MOSFETs - Transistor Type: N-channel MOSFET - Drain to Source Voltage: 30V - Manufacturer Part Number: AO3401A - Role Details: High-side 3V3 switch for QR module power; gate controlled by GPIO15 with pull-up - Continuous Drain Current: 5A at 25°C - Manufacturer Name: UMW(友台半导体) - LCSC Part Number: C347476 - JLCPCB Part Class: Extended Part - Package or Case Code: SOT-23_L2.9-W1.3-P1.90-LS2.4-BR - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2311091734_UMW-Youtai-Semiconductor-Co---Ltd--AO3401A_C347476.pdf **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q7 — [BSS138](https://www.flux.ai/lcsc/bss138~j6kt.md) - Role: Switching - Role Details: Tamper input conditioning option for GPIO46 strapping-safe default - Continuous Drain Current: 200mA - Package or Case Code: SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR - Transistor Type: N-channel MOSFET - Part Type: MOSFETs - Drain to Source Voltage: 50V - Product Info Url: https://lcsc.com/product-detail/MOSFET_BSS138_C112239.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811101310_Shikues-BSS138_C112239.pdf - JLCPCB Part Class: Extended Part - Manufacturer Name: SHIKUES(时科) - Manufacturer Part Number: BSS138 - LCSC Part Number: C112239 **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### SW1 — [SH-6X6X5H-TP](https://www.flux.ai/silicon-yard/sh-6x6x5h-tp~6j.md) - Package or Case Code: SW-SMD_4P-L6.0-W6.0-P4.50-LS9.0-2 - JLCPCB Part Class: Extended Part - Manufacturer Name: SHOU HAN - Current Rating: 50mA - LCSC Part Number: C42416254 - Role Details: ESP32 BOOT/RESET pushbutton - Part Type: Tactile Switches - Throw Configuration: SPST - Voltage Rating: 12V - Manufacturer Part Number: SH-6X6X5H-TP - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/39e804462b25c23e9a04d26059df9e5776e9b6fc2d360285023d8ddd3112556a.pdf - Role: Bootstrapping - Switch Type: Tactile Switch **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### SW2 — [SH-6X6X5H-TP](https://www.flux.ai/silicon-yard/sh-6x6x5h-tp~6j.md) - Package or Case Code: SW-SMD_4P-L6.0-W6.0-P4.50-LS9.0-2 - JLCPCB Part Class: Extended Part - Role: Bootstrapping - LCSC Part Number: C42416254 - Manufacturer Name: SHOU HAN - Current Rating: 50mA - Part Type: Tactile Switches - Throw Configuration: SPST - Manufacturer Part Number: SH-6X6X5H-TP - Voltage Rating: 12V - Role Details: ESP32 BOOT/RESET pushbutton - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/39e804462b25c23e9a04d26059df9e5776e9b6fc2d360285023d8ddd3112556a.pdf - Switch Type: Tactile Switch **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U1 — [ESP32-S3-WROOM-1-N16R2](https://www.flux.ai/lcsc/esp32-s3-wroom-1-n16r2~bsxt.md) - LCSC Part Number: C2913205 - JLCPCB Part Class: Extended Part - Manufacturer Name: ESPRESSIF(乐鑫) - Role Details: ESP32-S3-WROOM-1-N16R2; 16 MB flash, 2 MB quad PSRAM; no external W25Q128 - Role: MCU module - Manufacturer Part Number: ESP32-S3-WROOM-1-N16R2 - Package or Case Code: WIRELM-SMD_ESP32-S3-WROOM-1 **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 40] - GND [pin 41] - GND [pin 1] - IO0 [pin 27] - IO1 [pin 39] - IO10 [pin 18] - IO11 [pin 19] - IO12 [pin 20] - IO13 [pin 21] - IO14 [pin 22] - IO15 [pin 8] - IO16 [pin 9] - IO17 [pin 10] - IO18 [pin 11] - IO19 [pin 13] - IO2 [pin 38] - IO20 [pin 14] - IO21 [pin 23] - IO3 [pin 15] - IO35 [pin 28] - IO36 [pin 29] - IO37 [pin 30] - IO38 [pin 31] - IO39 [pin 32] - IO4 [pin 4] - IO40 [pin 33] - IO41 [pin 34] - IO42 [pin 35] - IO45 [pin 26] - IO46 [pin 16] - IO47 [pin 24] - IO48 [pin 25] - IO5 [pin 5] - IO6 [pin 6] - IO7 [pin 7] - IO8 [pin 12] - IO9 [pin 17] - RXD0 [pin 36] - TXD0 [pin 37] ### U13 — [CLRC66303HNY](https://www.flux.ai/lcsc/clrc66303hny~5h3n.md) - Role: 13.56MHz NFC reader - Manufacturer Name: NXP(恩智浦) - JLCPCB Part Class: Extended Part - Part Type: RF Chips - Package or Case Code: HVQFN-32_L5.0-W5.0-P0.50-TL-EP3.1 - Role Details: SPI on GPIO11/12/13, CS GPIO10, IRQ GPIO14, PDOWN GPIO9 - Manufacturer Part Number: CLRC66303HNY - LCSC Part Number: C961490 **Pins:** - AUX1 [pin 10] - AUX2 [pin 11] - AVDD [pin 9] - CLKOUT/OUT6 [pin 22] - DVDD [pin 7] - IF0 [pin 28] - IF1 [pin 29] - IF2 [pin 30] - IF3 [pin 31] - IFSEL0/OUT4 [pin 26] - IFSEL1/OUT5 [pin 27] - IRQ [pin 32] - PDOWN [pin 21] - PVDD [pin 25] - RXN [pin 13] - RXP [pin 12] - SCL [pin 23] - SDA [pin 24] - SIGIN/OUT7 [pin 5] - SIGOUT [pin 6] - TCK/OUT3 [pin 4] - TDI/OUT1 [pin 2] - TDO/OUT0 [pin 1] - TMS/OUT2 [pin 3] - TVDD [pin 18] - TVSS [pin 16] - TX1 [pin 17] - TX2 [pin 15] - VDD [pin 8] - VMID [pin 14] - VSS [pin 33] - XTAL1 [pin 19] - XTAL2 [pin 20] ### U14 — [EM4095HMSO16B+](https://www.flux.ai/jecstronic/em4095hmso16bplus~pe.md) - Datasheet URL: https://www.emmicroelectronic.com/sites/default/files/products/datasheets/em4095_ds.pdf - Role Details: SHD GPIO16, MOD GPIO7, DEMOD GPIO6 RMT input - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: EM Microelectronic - Manufacturer Part Number: EM4095HMSO16B+ - Role: 125kHz RFID front-end **Pins:** - AGND [pin 11] - ANT1 [pin 3] - ANT2 [pin 6] - CDEC_IN [pin 10] - CDEC_OUT [pin 9] - DC2 [pin 16] - DEMOD_IN [pin 8] - DEMOD_OUT [pin 13] - DVDD [pin 4] - DVSS [pin 5] - FCAP [pin 15] - MOD [pin 12] - RDY/CLK [pin 2] - SHD [pin 14] - VDD [pin 7] - VSS [pin 1] ### U17 — [ATECC608B-SSHDA-T](https://www.flux.ai/lcsc/atecc608b-sshda-t~h6c4.md) - LCSC Part Number: C1518769 - Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL - Manufacturer Part Number: ATECC608B-SSHDA-T - JLCPCB Part Class: Extended Part - Symbol Style: parametric-v1 - Role Details: DNP option; I2C on GPIO35/GPIO36 with PCF8563 - Role: Optional secure element - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/ATECC608B-CryptoAuthentication-Device-Summary-Data-Sheet-DS40002239A.pdf - Manufacturer Name: MICROCHIP(美国微芯) - Part Type: Integrated Circuit **Pins:** - GND [pin 4] - NC [pin 3] - NC [pin 1] - NC [pin 2] - NC [pin 7] - SCL [pin 6] - SDA [pin 5] - VCC [pin 8] ### U18 — [PC817SC](https://www.flux.ai/lcsc/pc817sc~3b3j.md) - Part Type: Optocouplers - Phototransistor Output - Role: Opto input - Manufacturer Name: 华润华晶 - Role Details: 5-24V field input isolation for REX/door sensor - Package or Case Code: OPTO-SMD-4_L4.6-W6.5-P2.54-LS10.3-TL - JLCPCB Part Class: Extended Part - Manufacturer Part Number: PC817SC - Product Info Url: https://lcsc.com/product-detail/SMD-Optocouplers_PC817SC_C115502.html - LCSC Part Number: C115502 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Wuxi-China-Resources-Huajing-Microelectronics-PC817SC_C115502.pdf **Pins:** - AN [pin 1] - CAT [pin 2] - COL [pin 4] - EM [pin 3] ### U19 — [PC817SC](https://www.flux.ai/lcsc/pc817sc~3b3j.md) - Part Type: Optocouplers - Phototransistor Output - Manufacturer Name: 华润华晶 - Role: Opto input - Package or Case Code: OPTO-SMD-4_L4.6-W6.5-P2.54-LS10.3-TL - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/SMD-Optocouplers_PC817SC_C115502.html - Manufacturer Part Number: PC817SC - Role Details: 5-24V field input isolation for REX/door sensor - LCSC Part Number: C115502 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Wuxi-China-Resources-Huajing-Microelectronics-PC817SC_C115502.pdf **Pins:** - AN [pin 1] - CAT [pin 2] - COL [pin 4] - EM [pin 3] ### U2 — [W5500](https://www.flux.ai/vasy_skral/w5500~9ux.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Part Number: W5500 - Manufacturer Name: WIZnet - Role Details: 10/100 Ethernet over SPI to ESP32-S3; PoE/Ethernet SKU - Role: Ethernet Controller - Datasheet URL: https://docs.wiznet.io/img/products/w5500/w5500_ds_v109e.pdf - Symbol Style: parametric-v1 **Pins:** - ~INT [pin 36] - ~RST [pin 37] - ~SCS [pin 32] - 1V2O [pin 22] - ACTLED [pin 27] - AGND [pin 3] - AGND [pin 16] - AGND [pin 14] - AGND [pin 48] - AGND [pin 9] - AGND [pin 19] - AVDD [pin 21] - AVDD [pin 15] - AVDD [pin 8] - AVDD [pin 11] - AVDD [pin 4] - AVDD [pin 17] - DNC [pin 7] - DUPLED [pin 26] - EXRES1 [pin 10] - GND [pin 29] - LINKLED [pin 25] - MISO [pin 34] - MOSI [pin 35] - NC [pin 46] - NC [pin 12] - NC [pin 47] - NC [pin 13] - PMODE0 [pin 45] - PMODE1 [pin 44] - PMODE2 [pin 43] - RSVD [pin 23] - RSVD [pin 42] - RSVD [pin 38] - RSVD [pin 39] - RSVD [pin 40] - RSVD [pin 41] - RXN [pin 5] - RXP [pin 6] - SCLK [pin 33] - SPDLED [pin 24] - TOCAP [pin 20] - TXN [pin 1] - TXP [pin 2] - VBG [pin 18] - VDD [pin 28] - XI/CLKIN [pin 30] - XO [pin 31] ### U3 — [AG9905-MTB](https://www.flux.ai/adrian95/ag9905-mtb~wfw.md) - Datasheet URL: http://silvertel.com/images/datasheets/Ag9900M-datasheet-ultra-miniature-isolated-Power-over-Ethernet-POE-module.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: AG9905MTB - Role: PoE Power Module - Manufacturer Part Number: AG9905-MTB - Manufacturer Name: Silvertel - Role Details: 802.3af PoE to 5V; populate for PoE/Ethernet SKU - Part Type: Power Source **Pins:** - -VDC [pin 2] - +VDC [pin 1] - ADJ [pin 3] - VIN- [pin 5] - VIN+ [pin 4] ### U4 — [LMR16020PDDAR](https://www.flux.ai/lcsc/lmr16020pddar~6yza.md) - Role Details: 9-32V input to 5V/2A; populate for DC input SKU - LCSC Part Number: C190006 - Max Input Voltage: 60V - Role: DC Input Buck - Output Current: 2 - JLCPCB Part Class: Extended Part - Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-EP - Max Output Voltage: 50V - Manufacturer Part Number: LMR16020PDDAR - Function: Step-down type - Frequency: 200kHz~2.5MHz - Part Type: DC-DC Converters - Operating Temperature: -40℃~+125℃ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811021924_Texas-Instruments-LMR16020PDDAR_C190006.pdf - Product Info Url: https://lcsc.com/product-detail/Others_TI_LMR16020PDDAR_LMR16020PDDAR_C190006.html - Manufacturer Name: TI(德州仪器) **Pins:** - BOOT [pin 1] - EN [pin 3] - EP [pin 9] - FB [pin 5] - GND [pin 7] - PGOOD [pin 6] - RT/SYNC [pin 4] - SW [pin 8] - VIN [pin 2] ### U5 — [AP63203WU-7](https://www.flux.ai/adrian95/ap63203wu-7~o8a.md) - Manufacturer Part Number: AP63203WU-7 - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP63200-AP63201-AP63203-AP63205.pdf - Role Details: Main 3.3V rail from SYS_5V; 2A class buck to avoid LDO heat - Manufacturer Name: Diodes Incorporated - Role: 3V3 Buck Regulator - Symbol Style: parametric-v1 - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - BST [pin 6] - EN [pin 2] - FB [pin 1] - GND [pin 4] - SW [pin 5] - VIN [pin 3] ### U6 — [MAX3485ESA+](https://www.flux.ai/lcsc/max3485esaplus~baoy.md) - Manufacturer Part Number: MAX3485ESA+ - Role: Logic-level Shifting - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/max3483-max3491.pdf - Manufacturer Name: MAXIM(美信) - Symbol Style: parametric-v1 - JLCPCB Part Class: Extended Part - LCSC Part Number: C1545222 - Package or Case Code: SO-8_L4.9-W3.9-P1.27-LS6.0-BL - Role Details: 3.3V RS485 transceiver replacing 5V SP485 to avoid ESP32 overvoltage - Part Type: Integrated Circuit **Pins:** - ~{RE} [pin 2] - A [pin 6] - B [pin 7] - DE [pin 3] - DI [pin 4] - GND [pin 5] - RO [pin 1] - VCC [pin 8] ### U7 — [PCF8563T/5,518](https://www.flux.ai/vasyl/pcf8563t5518~cn.md) - Role Details: I2C real-time clock with coin-cell backup and 32.768kHz crystal - Manufacturer Part Number: PCF8563T/5,518 - Datasheet URL: https://www.nxp.com/docs/en/data-sheet/PCF8563.pdf - Role: RTC - Manufacturer Name: NXP USA Inc. - Part Type: Integrated Circuit **Pins:** - ~INT~ [pin 3] - CLKO [pin 7] - OSCI [pin 1] - OSCO [pin 2] - SCL [pin 6] - SDA [pin 5] - VDD [pin 8] - VSS [pin 4] ### U9 — [USBLC6-2SC6](https://www.flux.ai/lcsc/usblc6-2sc6~2e9x.md) - Datasheet URL: https://www.lcsc.com/datasheet/C2687116.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhdUVdURFlXXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Role Details: Low-capacitance USB 2.0 ESD array near USB-C connector - Maximum Clamping Voltage: 17V - Breakdown Voltage: 6V - Operating Temperature: -55°C ~ 125°C (TJ) - LCSC Part Number: C2687116 - Power: 150W - JLCPCB Part Class: Extended Part - Manufacturer Part Number: USBLC6-2SC6 - Symbol Style: parametric-v1 - Peak Pulse Current: 5A - Manufacturer Name: UMW(友台半导体) - Part Type: ESD Protection Devices - Role: ESD Protection - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O1 [pin 6] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### Y1 — [Q13FC13500005](https://www.flux.ai/lcsc/q13fc13500005~j9f2.md) - Package or Case Code: CRYSTAL-SMD_L3.2-W1.5 - Manufacturer Name: EPSON(爱普生) - Datasheet URL: https://www.lcsc.com/datasheet/C841881.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNRTlhYX1BRQFZcUjsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Part Type: Crystals - Operating Temperature: -40℃~+85℃ - Frequency: 32.768kHz - LCSC Part Number: C841881 - Role Details: 32.768kHz crystal for PCF8563 RTC - Role: Timing - Load Capacitor: 12.5pF - Manufacturer Part Number: Q13FC13500005 - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] - GND [pin 2] ### Y2 — [ECS-250-18-23A-EN-TR](https://www.flux.ai/adrian95/ecs-250-18-23a-en-tr~64j.md) - Manufacturer Part Number: ECS-250-18-23A-EN-TR - Part Type: Oscillator - Manufacturer Name: ECS Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: 25MHz crystal for W5500, place close to XI/XO - Role: Timing - Datasheet URL: https://ecsxtal.com/store/pdf/ecx-64a_ecx-64cr.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/asfasdfsdf/access-reader~th](https://www.flux.ai/asfasdfsdf/access-reader~th).* --- *Generated from [https://www.flux.ai/asfasdfsdf/access-reader~th](https://www.flux.ai/asfasdfsdf/access-reader~th)*