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Lifee·2017-2019
Lifee
IoT Health Tracker for Children
🏥 Healthcare🎮 Gaming🔧 Hardware

About
Founded Lifee and led complete hardware/software development of an activity bracelet for kids with Bluetooth (BLE) capabilities, overseeing firmware development and full production lifecycle. Designed custom hardware, wrote embedded firmware with FreeRTOS and BLE stack, built React Native mobile app, and managed the entire production process from CE certification to shipping 1000+ units.
My Role
Technical Founder & Lead Developer
- •Designed complete hardware from circuit to enclosure
- •Developed embedded firmware with FreeRTOS and BLE stack
- •Built React Native app with custom BLE module for iOS & Android
- •Implemented OTA firmware updates across both platforms
- •Established Linux/PC-based testing suite for production
- •Led CE certification and production line setup
- •Managed assembly, testing, and shipping of 1000+ units
Technologies
Hardware DesignEmbedded CFreeRTOSBLEReact NativeOTA UpdatesLinuxIoT
Outcome
Fully working product from scratch: 1000+ units shipped, measurable health improvements in 10+ schools
1000+
Units Shipped
10+
Schools Deployed