Energy Tracking with ESP32 + CT Clamp Sensor from an Efergy …
2021年10月4日 · The CT clamp from an old wireless Efergy elite energy monitor can be used. There are no codes wrote on this, so it wasn’t clear at the time if there was a burden resistor already fitted. With a customised clampable extension lead, an accurate plug in power monitor and an oscilloscope, I was able to measure the AC voltage coming out of the ...
CT Clamp Current Sensor - ESPHome
The Current Transformer Clamp (ct_clamp) sensor allows you to hook up a CT Clamp to an analog voltage sensor (like the ADC sensor) and convert the readings to measured single phase AC current. First, you need to set up a voltage sensor source (ADC sensor, but for example also ADS1115) and pass it to the CT clamp sensor with the sensor option.
DIY Home Energy Monitor: ESP32 + CT Sensors + Emonlib
2019年7月7日 · Make a non-invasive energy monitor for the entire apartment. Meaning: no wire-cutting and not putting a meter between every socket and light bulb. Take measurements every second to get an accurate picture of electricity consumption. …
ESP32 + CT clamp - Calculations for measuring energy …
2024年7月23日 · Hi, I’m planning to build an energy meter to calculate the power consumption of my home (16A maximum at 230V) using an ESP32 connected to Home Assistant with ESPhome. For measuring current, I wanted to use a CT clamp, like the SCT-013, connected to my ESP32 following this schematic (or something similar):
16 Channel CT Clamp Energy Monitor – Smart Home Automation
We have designed KC868-M16 (ESP32 16 Channel CT Clamp Energy Monitor) for home automation DIYer. it can easy integrate to home assistant by ESPHome. the hardware have 16CH CT Clamp sensor INPUT ports + 3CH analog input + Ethernet + WiFi + Bluetooth + DS3231 RTC module + SSD1306 I2C LCD display + SD card.
ESP32 + ESPHome Open Source Energy Monitor - GitHub
2022年12月24日 · Voltage and current are displayed but the power is incorrect or the power factor is too low: Double check the CT clamp connections. Try inverting the clamp direction in the wire.
ESP 32 and a CT Clamp HOW? - Home Assistant Community
2024年5月20日 · I’ve only dabbled with CT clamps, but IIRC the key is to get the calibration right. Here’s one resource: Instructions for setting up ct clamp sensors. If you don’t link data sheet of you clamp, for sure no one can help you. Every clamp is having different output, it can be current or voltage output, and values can be about whatever.
GitHub - dardhal/ESP32-ADS1115-CT-Power-Measurement
CT clamps allow you to measure current going through a wire (Live or Neutral, but not both, as current going in both directions would cancel out the induction produced by current flowing through the wires) without having to cut the wire. Just open the clamp, put it around either the live or neutral wire, and close the clamp.
ESPHome compatible “Smart Powermeter” supports up to 6 CT clamps
2024年1月7日 · J.G.Aguado’s “Smart Powermeter” is an ESP32-S2 board with a 2.9-inch e-paper display designed to measure power consumption through up to six CT clamps, or Current Transformer clamps, that are each attached to one of the AC lines of a house or appliance.
r/esp32 on Reddit: Trying to make a home energy meter using CT clamps ...
2023年12月28日 · Problem: The CT clamps I bought are the "100A:1v" variety, and 0-1v is too small a signal for the Uno's 10-bit ADC to measure. So I am left with 3 potential solutions to this problem: Try and get the ADS1115 working with the Emonlib fork that does that and try and squeeze enough samples out of it
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