https://sensorrig.com/tags/burden-resistor/Recent content in Burden-Resistor on SensorRig — Real Raspberry Pi Sensor MonitoringHugoen-usThu, 27 Aug 2026 00:00:00 +0000https://sensorrig.com/posts/ct-clamp-burden-resistor-calibration-ads1115/Thu, 27 Aug 2026 00:00:00 +0000https://sensorrig.com/posts/ct-clamp-burden-resistor-calibration-ads1115/When measuring AC current with a CT clamp (SCT013) and an ADS1115 ADC, voltage drift makes readings unreliable — a problem that surfaces repeatedly in Home Assistant communities and DIY sensor projects. This builds on my earlier whole-house energy monitor with CT clamps and an ADS1115 and uses the same asyncio collector that logs the rest of my house; the burden-resistor detail below is the one piece I left vague in that first post.