https://sensorrig.com/tags/energy-monitoring/Recent content in Energy-Monitoring on SensorRig — Real Raspberry Pi Sensor MonitoringHugoen-usSun, 09 Aug 2026 00:00:00 +0000https://sensorrig.com/posts/ct-clamp-ads1115-energy-monitor/Sun, 09 Aug 2026 00:00:00 +0000https://sensorrig.com/posts/ct-clamp-ads1115-energy-monitor/The problem I started with: I wanted whole-house current on the two 120 V legs of my panel without buying a commercial energy monitor, and I already had an ADS1115 breakout and a Pi collector running my DS18B20 probes and a DHT11 on the same asyncio collector loop. What I did not appreciate at the time is that an ADS1115 is the wrong shape of ADC for mains current, and that everything downstream is an exercise in managing that mismatch honestly rather than pretending it away.