# Wearable biosensor MAX30102 Template ## Description This is a MAX30102 based integrated pulse oximetry and heart-rate monitor biosensor module #wearable #pulse #heartRate #oximeter #MAX30102 #referenceDesign ## Project Details - **Owner:** esila - **Created:** 5/31/2025 - **Last Updated:** 7/28/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Stars:** 2 - **Forks:** 2 - **Copies:** 2 ## Key Components ### J2 — [MY-2032-12](https://www.flux.ai/vasy_skral/my-2032-12.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2012181809_MYOUNG-MY-2032-12_C964833.pdf - Manufacturer Name: MYOUNG - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MY-2032-12 - Part Type: Connector **Pins:** - NEG [pin N1] - POS [pin P2] - POS [pin P1] ### LED1 — [LTRBR37G-4R4S-0125-0-2-R18](https://www.flux.ai/vasy_skral/ltrbr37g-4r4s-0125-0-2-r18.md) - Manufacturer Part Number: LTRBR37G-4R4S-0125-0-2-R18 - Datasheet URL: https://dammedia.osram.info/media/resource/hires/osram-dam-24639129/LTRB%20R37G_EN.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Manufacturer Name: ams-OSRAM USA INC. **Pins:** - A [pin 4] - B [pin 3] - G [pin 2] - R [pin 1] ### PROG — [TC2030](https://www.flux.ai/vasy_skral/tc2030.md) - Datasheet URL: https://www.snapeda.com/parts/TC2050-IDC-NL/Tag-Connect%20LLC/datasheet/ - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Microchip Technology - Symbol Style: Parametric - Manufacturer Part Number: TC2030 - Part Type: Tag-connectors **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### S1 — [SKRPABE010](https://www.flux.ai/openpartlist/skrpabe010.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch - Manufacturer Name: Alps Alpine - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/5481/SKRP-1370722.pdf - Manufacturer Part Number: SKRPABE010 **Pins:** - 1 [pin P$1] - 2 [pin P$2] - 3 [pin P$3] - 4 [pin P$4] ### U1 — [MAX30102EFD+T](https://www.flux.ai/vasy_skral/max30102efdplust.md) - Manufacturer Part Number: MAX30102EFD+T - Datasheet URL: https://datasheets.maximintegrated.com/en/ds/MAX30102.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Maxim Integrated - Symbol Style: Parametric - Part Type: Integrated Circuit **Pins:** - ~INT [pin 13] - GND [pin 12] - IR_DRV [pin 6] - NC [pin 8] - NC [pin 14] - NC [pin 1] - NC [pin 7] - PGND [pin 4] - R_DRV [pin 5] - SCL [pin 2] - SDA [pin 3] - VDD [pin 11] - VLED+ [pin 10] - VLED+ [pin 9] ### U2 — [TLV74018PDQNR](https://www.flux.ai/vasy_skral/tlv74018pdqnr.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/tlv740p.pdf - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: TLV74018PDQNR **Pins:** - EN [pin 3] - GND [pin 2] - IN [pin 4] - OUT [pin 1] - THERMAL PAD [pin 5] ### U3 — [E73-2G4M04S1A](https://www.flux.ai/lcsc/e73-2g4m04s1a.md) - Package or Case Code: WIRELM-SMD_E73-2G4M04S1A - Manufacturer Part Number: E73-2G4M04S1A - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Wireless-Modules_Chengdu-Ebyte-Elec-Tech-E73-2G4M04S1A_C411305.html - Manufacturer Name: EBYTE(亿佰特) - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1912111437_Chengdu-Ebyte-Elec-Tech-E73-2G4M04S1A_C411305.pdf - Part Type: Bluetooth Modules - LCSC Part Number: C411305 **Pins:** - DCC [pin 13] - DEC1 [pin 14] - DEC2 [pin 3] - DEC3 [pin 4] - DEC4 [pin 12] - GND [pin 2] - GND [pin 42] - GND [pin 0] - GND [pin 43] - GND [pin 1] - GND [pin 15] - P0.02 [pin 17] - P0.03 [pin 18] - P0.04 [pin 19] - P0.05 [pin 20] - P0.06 [pin 21] - P0.07 [pin 22] - P0.08 [pin 23] - P0.09 [pin 24] - P0.10 [pin 25] - P0.11 [pin 26] - P0.12 [pin 27] - P0.13 [pin 28] - P0.14 [pin 29] - P0.15 [pin 30] - P0.16 [pin 31] - P0.17 [pin 32] - P0.18 [pin 33] - P0.19 [pin 34] - P0.20 [pin 35] - P0.21 [pin 36] - P0.22 [pin 39] - P0.23 [pin 40] - P0.24 [pin 41] - P0.25 [pin 5] - P0.26 [pin 6] - P0.27 [pin 7] - P0.28 [pin 8] - P0.29 [pin 9] - P0.30 [pin 10] - P0.31 [pin 11] - SWDCLK [pin 37] - SWDIO [pin 38] - VCC [pin 16] ### U4 — [ATTINY85-20MU](https://www.flux.ai/adrian95/attiny85-20mu.md) - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-2586-AVR-8-bit-Microcontroller-ATtiny25-ATtiny45-ATtiny85_Datasheet-Summary.pdf - Manufacturer Name: Microchip - Part Type: Microcontroller - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: ATTINY85-20MU **Pins:** - ~RESET~/PB5 [pin 1] - AREF/PB0 [pin 11] - GND [pin 8] - GND [pin 21] - NC [pin 7] - NC [pin 10] - NC [pin 16] - NC [pin 4] - NC [pin 17] - NC [pin 13] - NC [pin 6] - NC [pin 20] - NC [pin 3] - NC [pin 18] - NC [pin 19] - NC [pin 9] - PB1 [pin 12] - PB2 [pin 14] - VCC [pin 15] - XTAL1/PB3 [pin 2] - XTAL2/PB4 [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/esila/wearable-biosensor-max30102-template](https://www.flux.ai/esila/wearable-biosensor-max30102-template).* --- *Generated from [https://www.flux.ai/esila/wearable-biosensor-max30102-template](https://www.flux.ai/esila/wearable-biosensor-max30102-template)*