Dashboard Modules Breakdown:

1. Header Module (modules/header.php)

• Purpose: Main title and global controls
• Contains:
  • Dashboard title “Power Monitoring Dashboard”
  • Subtitle “Real-time energy consumption analysis”
  • “Full Refresh” button (resets everything to defaults)

2. Smart Filter Module (in index.php)

• Purpose: Controls data display and time range
• Contains:
  • Display Option Dropdown: Hourly/Daily/Weekly/Monthly/Yearly
  • Dynamic Reference Selector: Changes based on display option
  • Load Data Button: Applies current filter settings
  • Filter Description: Explains what each option shows

3. Current Stats Module (modules/current_stats.php)

• Purpose: Real-time snapshot of current power metrics
• Contains 6 data cards:
  • Voltage (V) - Current electrical potential
  • Current (A) - Electrical current flow
  • Power (W) - Instantaneous power consumption
  • Energy Used (kWh) - Total energy consumed (adjusted for base energy)
  • Frequency (Hz) - AC power frequency
  • Power Factor (%) - Efficiency of power usage

4. Power Consumption Chart Module (modules/power_chart.php)

• Purpose: Visualize power usage over time
• Features:
  • Line chart showing power (W) over selected time period
  • Responsive design with hover details
  • Updates based on selected display option

5. Energy Consumption Chart Module (modules/energy_chart.php)

• Purpose: Visualize cumulative energy consumption
• Features:
  • Line chart showing energy used (kWh) over time
  • Shows the actual energy consumed (adjusted for PZEM004T's starting value)
  • Complementary to the power chart

6. Summary Tabs Module (modules/summary_tabs.php)

• Purpose: Detailed breakdown of energy usage patterns
• Contains two tabs:
  • Daily Summary Tab: Table showing energy usage by day
  • Hourly Summary Tab: Table showing energy usage by hour
  • Each table shows:
    • Date/Hour
    • Energy Used (kWh)
    • Average Power (W)
    • Peak Power (W)

7. Summary Stats Module (modules/summary_stats.php)

• Purpose: Overview statistics for the selected period
• Contains key metrics:
  • Total Energy Used
  • Average Power
  • Peak Power
  • Average Voltage
  • Average Current
  • Average Frequency
  • Average Power Factor