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Using Current Transformers for Home Energy Monitoring - The Byte Sized Engineer | DigiKey
I’m tired of electricity bills that only show total usage, making it hard to identify energy-hungry appliances like HVAC systems or EVs. I’m ready to do something about this problem so in this video, I'll show you how to build a whole-home energy-monitoring system using current transformers to track your usage and find ways to save.
PCB Builder: https://www.digikey.com/en/pcb-builder/?code=25db0660-7efe-11f1-9ede-d78bd2782cb0
Part List
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
 |  | FLUKE-323 | CLAMP METER 400AC 400OHM RES | 33 - Immediate | $199.99 | View Details |
|  | 101990029 | CURR SENSE XFMR 100A:0.05A 100A | 339 - Immediate | $9.90 | View Details |
| | 101990065 | CURR SENSE XFMR 70A CHAS MNT | 100 - Immediate | $6.90 | View Details |
| | 101990061 | CURR SENSE XFMR 1800:1 20A CHAS | 388 - Immediate | $6.90 | View Details |
|  | 113991114 | XIAO ESP32S3 | 10697 - Immediate | $7.49 | View Details |
|  | SJ-3523-SMT-TR | CONN JACK STEREO 3.5MM SMD R/A | 90038 - Immediate | $0.88 | View Details |
|  | RNCP0603FTD20R0 | RES 20 OHM 1% 1/8W 0603 | 4518 - Immediate | $0.10 | View Details |
|  | DKS-SOLDERBREAD-01 | BREADBOARD GENERAL PURPOSE PTH | 4089 - Immediate | $2.49 | View Details |
