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Evmedix BPM — blood pressure diary with BLE tonometer

Medical mobile app: Bluetooth tonometer, sharing with loved ones, PDF export, admin, email newsletters.

MedTechBLEFlutterSharingPDF

What I did

Blood pressure diary mobile app with direct connection to a Bluetooth tonometer. Measurements, dynamics chart, PDF export, sharing with loved ones via link, manual input, reminders.

Built from scratch: backend (PHP + MySQL + Redis), REST API (36 routes), admin (24 routes), mobile app on Flutter (iOS + Android). Email OTP authorization without password.

Custom push and email newsletters with progress bar, Companion Device Service for Android 12+, deep links.

Result

  • 36 API routes, 24 admin routes
  • Email OTP authorization without password
  • PDF export with chart and disclaimer
  • Sharing measurements with loved ones via link
  • Push + email newsletters with progress bar
  • Companion Device Service (Android 12+)
  • Deep links for invitations and sharing
  • Admin: users, push, email, system health

Technologies

PHP 8.1MySQL 8Redis (unix-socket)Twig 3PSR-4Flutter 3.12Dart 3.12ProviderHiveflutter_blue_plusFCM v1PDF (pdf + printing)fl_chartflutter_local_notificationsCDS Android 12+
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