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ดูสถานะอุปกรณ์ eWeLink แบบเรียลไทม์ — Chrome extension eWeLink Monitor helps homeowners and facility owners who use SONOFF / eWeLink devices (including POWCT meters and switches) keep energy use and device status in one Chrome extension. WHAT YOU CAN DO • See device status in real time over WebSocket • Control switches (including multi-channel) from the popup • Select multiple meters in your eWeLink account and combine usage into one estimated bill • Estimate Metropolitan Electricity Authority (MEA) bills for supported non-TOU rate types • Set a custom billing period (editable per cycle) • Close cycles automatically when Chrome is open, with catch-up after you’re back online • View energy history (tables, charts, heatmap) and import eWeLink export files • Review past cycles and export a PDF-ready print page • Open a Monitor tab to inspect raw WebSocket traffic while debugging NOT INCLUDED • This is not an official MEA invoice • TOU / on–off peak rates are not supported • Government policy discounts are not applied (same note as on MEA’s public calculator) GETTING STARTED 1. Install the extension and open Options 2. Enter your eWeLink developer App ID and Secret 3. Add the shown OAuth redirect URL in the eWeLink Developer Portal 4. Sign in from the popup and pick the devices to include NOTES • Requires an eWeLink developer app (OAuth) • Metered devices are needed for billing estimates; devices without energy data will error when calculating • Billing calculations target MEA (Metropolitan Electricity Authority) rate structures, excluding TOU
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