Real-time motor current visualization with:
- Subscribes to /saltybot/motor_currents for dual-motor current data
- Rolling 60-second history window with automatic data culling
- Dual-axis line chart:
* Left motor current (cyan) in Amps
* Right motor current (amber) in Amps
- Canvas-based rendering for performance
- Thermal warning threshold line (25A, configurable):
* Dashed red line overlay on chart
* Configurable threshold constant for motor specs
* Auto-detects thermal warnings when threshold exceeded
- Real-time statistics display:
* Current draw for left and right motors (real-time)
* Peak current tracking over 60-second window
* Average current calculation
* Thermal status indicator with warning badge
- Color-coded thermal alerts:
* Red background when threshold exceeded
* Warning indicator with icon
* Left/right motor temperature monitoring
- Grid overlay, axis labels, time labels, legend
- Takes absolute value of currents (handles reverse direction)
Integrated into TELEMETRY tab group as 'Motor Current' tab.
Follows established canvas rendering patterns from BatteryChart.
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
sl-webui
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