board

Wrist Health Tracker

Public Unreviewed

by TylerK

A wrist-worn nRF52840 health tracker for sleep-quality scoring: heart rate, HRV, SpO2, steps and skin temperature, logged to flash and synced over BLE to a home server. Four-layer 32 x 30 mm KiCad board with single-sided assembly, a 3D-printed 35.7 x 33.9 x 9.95 mm case and a magnetic pogo-pin dock.

hardwareboardpcbkicadwearablehealth-trackernrf52840bleppgheart-ratehrvspo2sleepmax30101bmi270tmp117imulow-powerjlcpcbenclosure3d-printedcadquery
Overview Files Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
wrist-health-tracker / hardware / bom_jlcpcb.csv
HistoryDownload
TylerK Wrist Health Tracker: KiCad project, fabrication files, 3D models, enclosure and dock CAD, design docs d433b2a 14h ago
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"Comment","Designator","Footprint","LCSC Part #"
"4.7u 16V","C1,C2,C9","Capacitor_SMD:C_0603_1608Metric","C19666"
"4.7u 10V","C3,C12","Capacitor_SMD:C_0402_1005Metric","C23733"
"10u 10V","C4,C6,C14","Capacitor_SMD:C_0603_1608Metric","C19702"
"100n","C5,C7,C8,C13,C15-C19","Capacitor_SMD:C_0402_1005Metric","C1525"
"20p","C10,C11","Capacitor_SMD:C_0402_1005Metric","C1554"
"WHITE","D1","LED_SMD:LED_0603_1608Metric","C2290"
"RED","D2","LED_SMD:LED_0603_1608Metric","C2286"
"2.2u","L1","Inductor_SMD:L_Murata_DFE201610P","C337893"
"AO3400A","Q1","Package_TO_SOT_SMD:SOT-23","C20917"
"12k","R1","Resistor_SMD:R_0402_1005Metric","C25752"
"1k","R2","Resistor_SMD:R_0402_1005Metric","C11702"
"1M","R3","Resistor_SMD:R_0402_1005Metric","C26083"
"470k","R4","Resistor_SMD:R_0402_1005Metric","C25790"
"220","R5","Resistor_SMD:R_0402_1005Metric","C25091"
"100k","R6","Resistor_SMD:R_0402_1005Metric","C25741"
"10k","R7,R10,R11","Resistor_SMD:R_0402_1005Metric","C25744"
"4.7k","R8,R9","Resistor_SMD:R_0402_1005Metric","C25900"
"TS24CA","SW1","health_tracker:SW_TS24CA_SidePush","C393942"
"E73-2G4M08S1C","U1","health_tracker:Ebyte_E73-2G4M08S1C","C356849"
"MAX30101EFD+T","U2","OptoDevice:Maxim_OLGA-14_3.3x5.6mm_P0.8mm","C2859066"
"BMI270","U3","Package_LGA:Bosch_LGA-14_3x2.5mm_P0.5mm","C2836813"
"TMP117AIDRVR","U4","health_tracker:TMP117_WSON-6_2x2mm_P0.65mm_NoEP","C699536"
"W25Q64JWUUIQ","U5","Package_SON:Winbond_USON-8-2EP_3x4mm_P0.8mm_EP0.2x0.8mm","C6604692"
"TPS62840DLCR","U6","Package_SON:VSON-8_1.5x2mm_P0.5mm","C2071859"
"MCP73831T-2ACI/OT","U7","Package_TO_SOT_SMD:SOT-23-5","C424093"
"USBLC6-2SC6","U8","Package_TO_SOT_SMD:SOT-23-6","C7519"
"32.768k 12.5pF","Y1","Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm","C32346"