# Other Rose Liquid Breathing Apparatus ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** mcan202 - **Created:** 3/5/2026 - **Last Updated:** 3/5/2026 - **Visibility:** Public - **System Architecture:** ```mermaid flowchart TD J1_24V_IN["J1 24V Input"] --> D1_SS14["D1 SS14 Reverse Protect"] D1_SS14 --> U5_R78E5["U5 R-78E5.0-0.5 24V to 5V"] U5_R78E5 --> P5V_CTRL["5V_CTRL"] P5V_CTRL --> U7_LDO_CTRL["U7 AMS1117-3.3 Ctrl LDO"] U7_LDO_CTRL --> P3V3_CTRL["3.3V_CTRL"] D1_SS14 --> U6_B2405S["U6 B2405S-1WR3 24V to 5V ISO"] U6_B2405S --> P5V_ISO["5V_ISO"] P5V_ISO --> U8_LDO_ISO["U8 AMS1117-3.3 Iso LDO"] U8_LDO_ISO --> P3V3_ISO["3.3V_ISO"] P3V3_CTRL --> U1_MCU["U1 STM32F407VET6"] P3V3_CTRL --> U2_ETH["U2 W5500"] U1_MCU -->|SPI| U4_ISO["U4 SI8642BD"] U4_ISO -->|SPI ISO| U3_ADC["U3 ADS124S08"] U3_ADC --> J3_CH1["J3 PT100 CH1"] U3_ADC --> J4_CH2["J4 PT100 CH2"] U3_ADC --> J5_CH3["J5 PT100 CH3"] U3_ADC --> J6_CH4["J6 PT100 CH4"] U1_MCU -->|RMII/SPI| J2_RJ45["J2 HR911105A RJ45"] U1_MCU --> J7_SWD["J7 10-pin SWD"] GND_CTRL["GND"] --- U1_MCU GND_CTRL --- U2_ETH GND_CTRL --- U5_R78E5 GND_CTRL --- U7_LDO_CTRL GND_ISO["GND_ISO"] --- U3_ADC GND_ISO --- U6_B2405S GND_ISO --- U8_LDO_ISO ``` ## Key Components ### D1 — [SS14-E3/5AT](https://www.flux.ai/adrian95/ss14-e35at.md) - Package: SMA - Role Details: Reverse polarity protection diode for 24V input - Datasheet URL: https://www.vishay.com/docs/88746/ss12.pdf - Manufacturer Part Number: SS14-E3/5AT - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Vishay General Semiconductor - Diodes Division - Role: Protection **Pins:** - A [pin 2] - K [pin 1] ### D2 — [LTST-C191KGKT](https://www.flux.ai/jecstronic/ltst-c191kgkt.md) - Role: Indicator - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Lite-On Inc. - Manufacturer Part Number: LTST-C191KGKT - Part Type: LED - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS22-2000-228/LTST-C191KGKT.PDF - Package: SMD_0603_1608Metric - Role Details: Power LED (green) **Pins:** - A [pin 2] - K [pin 1] ### D3 — [LTST-C190KSKT](https://www.flux.ai/adrian95/ltst-c190kskt.md) - Role Details: Status LED (yellow) controlled by U1 PE0 - License: https://creativecommons.org/licenses/by/4.0/ - Package: SMD_0603_1608Metric - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0189/LTST-C190KSKT.pdf - Manufacturer Part Number: LTST-C190KSKT - Part Type: LED - Manufacturer Name: Lite-On Inc. - Role: Indicator **Pins:** - A [pin 2] - K [pin 1] ### D4 — [LTST-C190KRKT](https://www.flux.ai/adrian95/ltst-c190krkt.md) - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0151/LTST-C190KRKT.pdf - Role: Indicator - License: https://creativecommons.org/licenses/by/4.0/ - Package: SMD_0603_1608Metric - Role Details: Error LED (red) controlled by U1 PE1 - Manufacturer Name: Lite-On Inc. - Part Type: LED - Manufacturer Part Number: LTST-C190KRKT **Pins:** - A [pin 2] - K [pin 1] ### J1 — [KF128-5.08-2P-AA](https://www.flux.ai/lcsc/kf128-5p08-2p-aa.md) - LCSC Part Number: C474952 - Connector Type: Screw terminal - Manufacturer Name: KEFA(科发) - Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF128-5-08-2P_C474952.html - Connector Gender: Female - Package: THT 2-pin 5.08mm - Connector Pitch: 5.08mm - JLCPCB Part Class: Extended Part - Connector Rows: 1 - Role Details: 24V input screw terminal - Current Rating: 24A - Connector Positions: 2 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2408211511_Cixi-Kefa-Elec-KF128-5-08-2P-AA_C474952.pdf - Role: Connector - Operating Temperature: -40℃~+105℃ - Part Type: Screw terminal - Manufacturer Part Number: KF128-5.08-2P-AA - Package or Case Code: CONN-TH_P5.08_KF128-5.08-2P **Pins:** - 1 [pin 1] - 2 [pin 2] ### J2 — [HR911105A](https://www.flux.ai/jecstronic/hr911105a.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811141815_HANRUN-Zhongshan-HanRun-Elec-HR911105A_C12074.pdf - Part Type: Connector - Manufacturer Name: HANRUN - Manufacturer Part Number: HR911105A - Role Details: Ethernet MagJack HR911105A - Role: Connector - Package: RJ45 MagJack THT - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~ [pin 2] - ~ [pin 6] - ~ [pin 5] - ~ [pin 11] - ~ [pin 12] - ~ [pin 8] - ~ [pin 1] - ~ [pin 4] - ~ [pin 9] - ~ [pin 3] - ~ [pin 10] - SHIELD [pin 15] - SHIELD [pin 16] ### J3 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md) - Package: THT 3-pin 5.0mm - Role Details: PT100 CH1 terminal (RTD+, RTD-, COMP) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf - Manufacturer Name: DIBO - Part Type: Connector - Role: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: DB126V-5.0-3P-GN **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] - PIN3 [pin 3] ### J4 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md) - Package: THT 3-pin 5.0mm - Role: Connector - Manufacturer Name: DIBO - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf - Manufacturer Part Number: DB126V-5.0-3P-GN - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Role Details: PT100 CH2 terminal (RTD+, RTD-, COMP) **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] - PIN3 [pin 3] ### J5 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md) - Manufacturer Part Number: DB126V-5.0-3P-GN - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Name: DIBO - Role Details: PT100 CH3 terminal (RTD+, RTD-, COMP) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf - Package: THT 3-pin 5.0mm - Role: Connector **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] - PIN3 [pin 3] ### J6 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md) - Manufacturer Name: DIBO - Package: THT 3-pin 5.0mm - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf - Role: Connector - Manufacturer Part Number: DB126V-5.0-3P-GN - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: PT100 CH4 terminal (RTD+, RTD-, COMP) **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] - PIN3 [pin 3] ### J7 — [2x5 Pin Shrouded Header](https://www.flux.ai/rex-flux/2x5-pin-shrouded-header.md) - Datasheet URL: https://www.we-online.com/catalog/datasheet/61201021621.pdf - Role Details: SWD/JTAG 10-pin debug header (2x5) - Manufacturer Part Number: 61201021621 - Role: Connector - Package: 2x5 2.54mm THT shrouded - Part Type: Connector - Manufacturer Name: Würth Elektronik **Pins:** - P1 [pin 1] - P10 [pin 10] - P2 [pin 2] - P3 [pin 3] - P4 [pin 4] - P5 [pin 5] - P6 [pin 6] - P7 [pin 8] - P7 [pin 7] - P9 [pin 9] ### U1 — [STM32F407VET6](https://www.flux.ai/vasy_skral/stm32f407vet6.md) - Manufacturer Part Number: STM32F407VET6 - Role: MCU - Package: LQFP-100 - Part Type: Microcontroller - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: STMicroelectronics - Datasheet URL: http://www.st.com/content/ccc/resource/technical/document/datasheet/ef/92/76/6d/bb/c2/4f/f7/DM00037051.pdf/files/DM00037051.pdf/jcr:content/translations/en.DM00037051.pdf - Role Details: Main controller for Ethernet + isolated ADC interface **Pins:** - BOOT0 [pin 94] - NRST [pin 14] - PA0 [pin 23] - PA1 [pin 24] - PA10 [pin 69] - PA11 [pin 70] - PA12 [pin 71] - PA13 [pin 72] - PA14 [pin 76] - PA15 [pin 77] - PA2 [pin 25] - PA3 [pin 26] - PA4 [pin 29] - PA5 [pin 30] - PA6 [pin 31] - PA7 [pin 32] - PA8 [pin 67] - PA9 [pin 68] - PB0 [pin 35] - PB1 [pin 36] - PB10 [pin 47] - PB11 [pin 48] - PB12 [pin 51] - PB13 [pin 52] - PB14 [pin 53] - PB15 [pin 54] - PB2 [pin 37] - PB3 [pin 89] - PB4 [pin 90] - PB5 [pin 91] - PB6 [pin 92] - PB7 [pin 93] - PB8 [pin 95] - PB9 [pin 96] - PC0 [pin 15] - PC1 [pin 16] - PC10 [pin 78] - PC11 [pin 79] - PC12 [pin 80] - PC13 [pin 7] - PC14 [pin 8] - PC15 [pin 9] - PC2 [pin 17] - PC3 [pin 18] - PC4 [pin 33] - PC5 [pin 34] - PC6 [pin 63] - PC7 [pin 64] - PC8 [pin 65] - PC9 [pin 66] - PD0 [pin 81] - PD1 [pin 82] - PD10 [pin 57] - PD11 [pin 58] - PD12 [pin 59] - PD13 [pin 60] - PD14 [pin 61] - PD15 [pin 62] - PD2 [pin 83] - PD3 [pin 84] - PD4 [pin 85] - PD5 [pin 86] - PD6 [pin 87] - PD7 [pin 88] - PD8 [pin 55] - PD9 [pin 56] - PE0 [pin 97] - PE1 [pin 98] - PE10 [pin 41] - PE11 [pin 42] - PE12 [pin 43] - PE13 [pin 44] - PE14 [pin 45] - PE15 [pin 46] - PE2 [pin 1] - PE3 [pin 2] - PE4 [pin 3] - PE5 [pin 4] - PE6 [pin 5] - PE7 [pin 38] - PE8 [pin 39] - PE9 [pin 40] - PH0 [pin 12] - PH1 [pin 13] - VBAT [pin 6] - VCAP_1 [pin 49] - VCAP_2 [pin 73] - VDD [pin 50] - VDD [pin 75] - VDD [pin 11] - VDD [pin 28] - VDD [pin 19] - VDD [pin 100] - VDDA [pin 22] - VREF+ [pin 21] - VSS [pin 10] - VSS [pin 74] - VSS [pin 99] - VSS [pin 27] - VSSA [pin 20] ### U2 — [W5500](https://www.flux.ai/kicad-part-library/w5500.md) - Role Details: SPI Ethernet interface for network connectivity - Package: LQFP-48 - Datasheet URL: http://wizwiki.net/wiki/lib/exe/fetch.php/products:w5500:w5500_ds_v109e.pdf - Role: Ethernet Controller - Manufacturer Part Number: W5500 - Package or Case Code: LQFP-48_7x7mm_P0.5mm **Pins:** - ~{INT} [pin 36] - ~{RST} [pin 37] - ~{SCS} [pin 32] - 1V2O [pin 22] - ACTLED [pin 27] - AGND [pin 3] - AGND [pin 9] - AGND [pin 48] - AGND [pin 19] - AGND [pin 16] - AGND [pin 14] - AVDD [pin 11] - AVDD [pin 21] - AVDD [pin 4] - AVDD [pin 15] - AVDD [pin 17] - AVDD [pin 8] - 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 13] - NC [pin 12] - NC [pin 47] - PMODE0 [pin 45] - PMODE1 [pin 44] - PMODE2 [pin 43] - RSVD [pin 38] - RSVD [pin 23] - RSVD [pin 39] - RSVD [pin 40] - RSVD [pin 41] - RSVD [pin 42] - 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 — [ADS124S08IRHBR](https://www.flux.ai/lcsc/ads124s08irhbr.md) - Role: ADC - Manufacturer Name: TI(德州仪器) - Manufacturer Part Number: ADS124S08IRHBR - LCSC Part Number: C2871942 - Package: VQFN-32 - Package or Case Code: VQFN-32_L5.0-W5.0-P0.50-BL-EP - Part Type: Analog To Digital Converters (ADCs) - JLCPCB Part Class: Extended Part - Role Details: Isolated precision 24-bit ADC for 4-channel RTD measurement **Pins:** - ~{CS} [pin 9] - ~{DRDY} [pin 13] - ~{RESET} [pin 18] - AIN0 [pin 7] - AIN1 [pin 6] - AIN2 [pin 5] - AIN3 [pin 4] - AIN4 [pin 3] - AIN5 [pin 2] - AINCOM [pin 1] - AVDD [pin 26] - AVSS [pin 27] - AVSS-SW [pin 28] - CLK [pin 17] - DGND [pin 14] - DIN [pin 10] - DOUT/~{DRDY} [pin 12] - DVDD [pin 16] - EP [pin 33] - GPIO0/AIN8 [pin 22] - GPIO1/AIN9 [pin 21] - GPIO2/AIN10 [pin 20] - GPIO3/AIN11 [pin 19] - IOVDD [pin 15] - NC [pin 25] - REFCOM [pin 24] - REFN0 [pin 29] - REFN1/AIN7 [pin 31] - REFOUT [pin 23] - REFP0 [pin 30] - REFP1/AIN6 [pin 32] - SCLK [pin 11] - START/SYNC [pin 8] ### U4 — [Si8642BB-B-IS1](https://www.flux.ai/kicad-part-library/si8642bb-b-is1.md) - Package or Case Code: SOIC-16_3.9x9.9mm_P1.27mm - Role Details: SPI (or GPIO) isolation barrier between GND and GND_ISO domains - Role: Digital Isolator - Datasheet URL: https://www.silabs.com/documents/public/data-sheets/si864x-datasheet.pdf - Manufacturer Part Number: Si8642BB-B-IS1 - Package: SOIC-16 - Manufacturer Name: Texas Instruments Inc. **Pins:** - A1 [pin 3] - A2 [pin 4] - A3 [pin 5] - A4 [pin 6] - B1 [pin 14] - B2 [pin 13] - B3 [pin 12] - B4 [pin 11] - EN1 [pin 7] - EN2 [pin 10] - GND1 [pin 8] - GND1 [pin 2] - GND2 [pin 9] - GND2 [pin 15] - VDD1 [pin 1] - VDD2 [pin 16] ### U5 — [R-78E5.0-0.5](https://www.flux.ai/kicad-part-library/r-78e5p0-0p5.md) - Role: DC-DC - Part Type: Converter DCDC - Datasheet URL: https://www.recom-power.com/pdf/Innoline/R-78Exx-0.5.pdf - Package: SIP-3 - Manufacturer Part Number: R-78E5.0-0.5 - Role Details: 24V input to 5V_CTRL (non-isolated) - Package or Case Code: Converter_DCDC_RECOM_R-78E-0.5_THT **Pins:** - GND [pin 2] - IN [pin 1] - OUT [pin 3] ### U6 — [B2405S-1WR3](https://www.flux.ai/lcsc/b2405s-1wr3.md) - Role Details: 24V input to 5V_ISO with galvanic isolation - Role: Isolated DC-DC - Package: SIP-4 - Manufacturer Name: YLPTEC(易川) - LCSC Part Number: C3031175 - Part Type: Power Modules - Package or Case Code: PWRM-TH_4P-L11.5-W6.1-P2.54_TME1212S - Manufacturer Part Number: B2405S-1WR3 - JLCPCB Part Class: Extended Part **Pins:** - -VO [pin 3] - +VO [pin 4] - GND [pin 1] - VIN [pin 2] ### U7 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33.md) - Manufacturer Name: AMS - Symbol Style: Parametric - Package: SOT-223 - Role: LDO - Manufacturer Part Number: AMS1117-3.3 - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: http://www.advanced-monolithic.com/pdf/ds1117.pdf - Role Details: Generates 3.3V_CTRL from 5V_CTRL **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] ### U8 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33.md) - Symbol Style: Parametric - Manufacturer Name: AMS - Manufacturer Part Number: AMS1117-3.3 - Package: SOT-223 - Role Details: Generates 3.3V_ISO from 5V_ISO - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Datasheet URL: http://www.advanced-monolithic.com/pdf/ds1117.pdf - Role: LDO **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] ### Y1 — [NX3225GD-8MHZ-STD-CRA-3](https://www.flux.ai/lcsc/nx3225gd-8mhz-std-cra-3.md) - Manufacturer Part Number: NX3225GD-8MHZ-STD-CRA-3 - Load Capacitor: 8pF - Frequency: 8MHz - Role: Timing - Package: SMD_3225_2P - JLCPCB Part Class: Extended Part - LCSC Part Number: C889706 - Part Type: Crystals - Operating Temperature: -40~+150℃ - Frequency Stability: 150ppm - Manufacturer Name: NDK - Package or Case Code: OSC-SMD_2P-L3.2-W2.5 - Role Details: STM32 HSE 8 MHz crystal between PH0/PH1 **Pins:** - 1 [pin 1] - GND [pin 2] ### Y2 — [XKXGI-SUA-32.768K](https://www.flux.ai/adrian95/xkxgi-sua-32p768k.md) - Role: Timing - LCSC Part Number: C5213671 - Package: SMD_3215_2P - Frequency: 32.768KHz - Part Type: Oscillator - Manufacturer Part Number: XKXGI-SUA-32.768K - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: YXC Crystal Oscillators - Role Details: STM32 LSE 32.768 kHz crystal between PC14/PC15 - Datasheet URL: https://www.lcsc.com/datasheet/C5213671.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### Y3 — [OT322525MJBA4SL](https://www.flux.ai/lcsc/ot322525mjba4sl.md) - Product Info Url: https://lcsc.com/product-detail/SMD-Oscillators-XO_Yangxing-Tech-OT322525MJBA4SL_C669088.html - Operating Voltage: 1.8 ~ 3.3V - LCSC Part Number: C669088 - Max Supply Current: 5mA - Manufacturer Part Number: OT322525MJBA4SL - Role: Timing - Role Details: 25MHz CMOS oscillator; output drives W5500 XI/CLKIN - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407310922_YXC-Crystal-Oscillators-OT322525MJBA4SL_C669088.pdf - Package or Case Code: OSC-SMD_4P-L3.2-W2.5-BL - Manufacturer Name: YXC(扬兴晶振) - Package: SMD_3225_4P - JLCPCB Part Class: Extended Part - Operating Temperature: -40 ~ +85℃ - Part Type: Oscillators - Frequency: 25MHz **Pins:** - Enable/Disable [pin 1] - GND [pin 2] - OUT [pin 3] - VDD [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/mcan202/other-rose-liquid-breathing-apparatus](https://www.flux.ai/mcan202/other-rose-liquid-breathing-apparatus).* --- *Generated from [https://www.flux.ai/mcan202/other-rose-liquid-breathing-apparatus](https://www.flux.ai/mcan202/other-rose-liquid-breathing-apparatus)*