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Changelog

All notable changes to the LiveCyberDeck firmware for the Waveshare ESP32-S3-RLCD-4.2.

1.0.3 — 2026-06-15

  • Edge-to-edge BPM/IBI sparklines with low / normal / high reference lines.
  • Flat box outlines and readability polish across the dashboard.
  • Hardware-validated on the Waveshare ESP32-S3-RLCD-4.2.

1.0.1 — 2026-06-15

  • First LiveCyberDeck dashboard ("v3"): larger LIVE pulse window, big BPM and IBI panels, solid waveform with open/filled beat circles, dashed TRIGGER line, and a signal-coach footer paired with a strength meter.
  • Header telemetry: battery percent + voltage and onboard SHTC3 temperature & humidity.
  • Live UP h:mm:ss uptime and a boot splash.

Earlier

  • Battery runtime telemetry on ADC1_CH3 (GPIO4), sampled every two seconds with an interrupt guard so it doesn't race the PulseSensor sampler on ADC1.
  • Beat detection carried over from the PulseSensor CYD 0.4.41-snappy-lock pipeline, retargeted from the CYD color TFT to the 400 × 300 ST7305 reflective LCD.

The pulse-detection engine is the PulseSensor Playground library.