CompleteEmbedded · IoT
TELEMETRY
Smart Telemetry System
Wear OS to ESP32 to Nextion HMI at 1 Hz
Programme
Personal project
Role
Solo Developer
Team
Solo
Period
2025
Brief
A telemetry pipeline streaming heart rate, SpO2, accelerometer and gyroscope data at 1 Hz from a Wear OS watch over HTTP/JSON to an ESP32, which drives a live browser dashboard and a Nextion TFT with gauges and IMU waveforms simultaneously.
What he built
- 011 Hz biometric stream: heart rate, SpO2, accelerometer, gyroscope
- 02Wear OS to ESP32 transport over HTTP/JSON
- 03Live browser dashboard with CSV log download
- 04Nextion TFT rendering visual gauges and IMU waveform graphs
Stack
- Kotlin
- C++
- ESP32
- Wear OS
- Nextion HMI
- HTTP/JSON