VideoLibrary

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.

6/5/2026 5:47:39 PM

Part List

ImagemNúmero de peça do fabricanteDescriçãoAvailable QuantityPreçoVer detalhes
CURR SENSE XFMR 100A:0.05A 100A101990029CURR SENSE XFMR 100A:0.05A 100A510 - Immediate$11.50Ver detalhes
CURR SENSE XFMR 70A CHAS MNT101990065CURR SENSE XFMR 70A CHAS MNT112 - Immediate$6.90Ver detalhes
CURR SENSE XFMR 1800:1 20A CHAS101990061CURR SENSE XFMR 1800:1 20A CHAS290 - Immediate$6.90Ver detalhes
XIAO ESP32S3113991114XIAO ESP32S34128 - Immediate$7.49Ver detalhes
CONN JACK STEREO 3.5MM SMD R/ASJ-3523-SMT-TRCONN JACK STEREO 3.5MM SMD R/A107203 - Immediate$0.88Ver detalhes
RES 20 OHM 1% 1/8W 0603RNCP0603FTD20R0RES 20 OHM 1% 1/8W 060319843 - Immediate$0.10Ver detalhes
BREADBOARD GENERAL PURPOSE PTHDKS-SOLDERBREAD-01BREADBOARD GENERAL PURPOSE PTH435 - Immediate$2.49Ver detalhes