# Remote Patient Health Monitoring System ## Description High-level requirements brief for a Remote Patient Health Monitoring System using an ESP32 Dev Module, separate regulated 5V and 4V rails, common grounding, and 5V rail decoupling for later schematic implementation. ## Project Details - **Owner:** atm3 - **Created:** 4/7/2026 - **Last Updated:** 4/7/2026 - **Visibility:** Public ## Key Components ### IC1 — [MPX5050GP](https://www.flux.ai/adrian95/mpx5050gp.md) - Role Details: Blood pressure analog sensor output to ESP32 ADC - Manufacturer Part Number: MPX5050GP - Datasheet URL: https://www.nxp.com/docs/en/data-sheet/MPX5050.pdf - Package: Module - License: https://creativecommons.org/licenses/by/4.0/ - Role: Sensor - Part Type: Integrated Circuit - Manufacturer Name: NXP USA Inc. **Pins:** - GROUND [pin 2] - V1 [pin 4] - V2 [pin 5] - VCC [pin 3] - VEX [pin 6] - VOUT [pin 1] ### J1 — [SEN-11574](https://www.flux.ai/jecstronic/sen-11574.md) - Part Type: Connector - Package: Module - Manufacturer Name: SparkFun Electronics - Role: Sensor - Role Details: Heart rate sensor with analog output to ESP32 ADC - Manufacturer Part Number: SEN-11574 - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/840/Pulse_Sensor.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - GND [pin 3] - SIG [pin 1] - V+ [pin 2] ### J2 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### U1 — [ESP32-DevKitC](https://www.flux.ai/lcsc/esp32-devkitc.md) - Manufacturer Name: ESPRESSIF(乐鑫) - Role: Main Processor - Package or Case Code: BULETM-SMD_ESP32-DEVKITC - Part Type: Development Boards & Kits - Package: DevKit Module - JLCPCB Part Class: Extended Part - Role Details: Central ESP32 development module coordinating sensors and communications - LCSC Part Number: C571180 - Manufacturer Part Number: ESP32-DevKitC **Pins:** - 3V3 [pin 1] - 5V [pin 19] - CLK [pin 38] - CMD [pin 18] - D0 [pin 37] - D1 [pin 36] - D2 [pin 16] - D3 [pin 17] - EN [pin 2] - GND [pin 20] - GND [pin 14] - GND [pin 26] - IO0 [pin 33] - IO12 [pin 13] - IO13 [pin 15] - IO14 [pin 12] - IO15 [pin 35] - IO16 [pin 31] - IO17 [pin 30] - IO18 [pin 28] - IO19 [pin 27] - IO2 [pin 34] - IO21 [pin 25] - IO22 [pin 22] - IO23 [pin 21] - IO25 [pin 9] - IO26 [pin 10] - IO27 [pin 11] - IO32 [pin 7] - IO33 [pin 8] - IO34 [pin 5] - IO35 [pin 6] - IO4 [pin 32] - IO5 [pin 29] - RX [pin 24] - TX [pin 23] - VN [pin 4] - VP [pin 3] ### U2 — [AMS1117-5.0](https://www.flux.ai/adrian95/ams1117-50.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: AMS1117-5.0 - Role Details: Primary 5V regulated rail for ESP32 development module and sensors - Package: SOT-223 - Datasheet URL: https://www.snapeda.com/parts/AMS1117-5.0/Advanced%20Monolithic%20Systems/datasheet/ - Role: Voltage Regulator - Manufacturer Name: ams **Pins:** - GND [pin 1] - VI [pin 3] - VO [pin 2] ### U3 — [AP1086](https://www.flux.ai/egeozgul/ap1086.md) - Role: Voltage Regulator - Part Type: Regulator - Package: SOT-223 - Role Details: Dedicated SIM800L supply regulator configured for 4V output - Manufacturer Part Number: AP1086 - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/930/AP1086.pdf **Pins:** - GND [pin 1] - Vin [pin 3] - Vout [pin 2] ### U4 — [SIM800L Module](https://www.flux.ai/adrian95/sim800l-module.md) - Manufacturer Part Number: SIM800L - Package: Module - Role Details: Dedicated GSM/GPRS modem powered from the 4V rail - Role: Cellular Modem - Datasheet URL: https://components101.com/sites/default/files/component_datasheet/SIM800L-Datasheet.pdf - Manufacturer Name: Simcom - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Module **Pins:** - DTR [pin 11] - GND [pin 6] - MIC- [pin 9] - MIC+ [pin 10] - NET [pin 1] - RING [pin 12] - RST [pin 3] - RXD [pin 4] - SPK- [pin 7] - SPK+ [pin 8] - TXD [pin 5] - VCC [pin 2] ### U5 — [LM35DZ/NOPB](https://www.flux.ai/adrian95/lm35dznopb.md) - Manufacturer Part Number: LM35DZ/NOPB - Role: Sensor - Part Type: Sensor - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: LM35 analog temperature sensor output to ESP32 ADC - Manufacturer Name: Texas Instruments - Package: TO-92-3 - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm35.pdf **Pins:** - +VS [pin 1] - GND [pin 3] - VOUT [pin 2] ### U6 — [AD8232ACPZ-RL](https://www.flux.ai/adrian95/ad8232acpz-rl.md) - Package: LFCSP-20 - Role Details: ECG analog sensor output to ESP32 ADC - Manufacturer Name: Analog Devices Inc. - Manufacturer Part Number: AD8232ACPZ-RL - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Role: Sensor - Datasheet URL: https://s3.amazonaws.com/snapeda/datasheet/AD8232ACPZ-RL_Analog_Devices.pdf **Pins:** - -IN [pin 3] - *SDN [pin 13] - +IN [pin 2] - +VS [pin 17] - AC/*DC [pin 14] - EPAD [pin 21] - FR [pin 15] - GND [pin 16] - HPDRIVE [pin 1] - HPSENSE [pin 20] - IAOUT [pin 19] - LOD- [pin 11] - LOD+ [pin 12] - OPAMP- [pin 9] - OPAMP+ [pin 7] - OUT [pin 10] - REFIN [pin 18] - REFOUT [pin 8] - RLD [pin 5] - RLDFB [pin 4] - SW [pin 6] ### U7 — [TMP36GT9Z](https://www.flux.ai/adrian95/tmp36gt9z.md) - Role: Sensor - Manufacturer Name: Analog Devices - Manufacturer Part Number: TMP36GT9Z - Part Type: Sensor - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/TMP35_36_37.pdf - Role Details: Body temperature analog sensor output to ESP32 ADC - Package: TO-92-3 **Pins:** - +VS [pin 1] - GND [pin 3] - VOUT [pin 2] ### U8 — [MAX30102EFD+T](https://www.flux.ai/adrian95/max30102efdplust.md) - Manufacturer Part Number: MAX30102EFD+T - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/MAX30102.pdf - Manufacturer Name: Analog Devices Inc./Maxim Integrated - Part Type: Sensor **Pins:** - ~INT [pin 13] - GND [pin 12] - PGND [pin 4] - SCL [pin 2] - SDA [pin 3] - VDD [pin 11] - VLED+ [pin 10] - VLED+ [pin 9] ### U9 — [GY-521](https://www.flux.ai/cherepanyadima/gy-521.md) - Symbol Style: Parametric - Part Type: Sensors - Datasheet URL: https://www.snapeda.com/parts/GY-521/GODREAM%20FORDREAM%20CO.,%20LIMITED/datasheet/ - Manufacturer Part Number: GY-521 **Pins:** - AD0 [pin 6] - GND [pin 2] - INT [pin 5] - SCL [pin 4] - SDA [pin 3] - VCC [pin 1] - XCL [pin 7] - XDA [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/atm3/remote-patient-health-monitoring-system](https://www.flux.ai/atm3/remote-patient-health-monitoring-system).* --- *Generated from [https://www.flux.ai/atm3/remote-patient-health-monitoring-system](https://www.flux.ai/atm3/remote-patient-health-monitoring-system)*