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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.

6/5/2026 5:47:39 PM

Part List

AbbildungHersteller-TeilenummerBeschreibungVerfügbare MengePreisDetails anzeigen
CURR SENSE XFMR 100A:0.05A 100A101990029CURR SENSE XFMR 100A:0.05A 100A496 - Sofort$8.96Details anzeigen
CURR SENSE XFMR 70A CHAS MNT101990065CURR SENSE XFMR 70A CHAS MNT112 - Sofort$5.38Details anzeigen
CURR SENSE XFMR 1800:1 20A CHAS101990061CURR SENSE XFMR 1800:1 20A CHAS294 - Sofort$5.38Details anzeigen
XIAO ESP32S3113991114XIAO ESP32S33894 - Sofort$5.83Details anzeigen
CONN JACK STEREO 3.5MM SMD R/ASJ-3523-SMT-TRCONN JACK STEREO 3.5MM SMD R/A106254 - Sofort$0.69Details anzeigen
RES 20 OHM 1% 1/8W 0603RNCP0603FTD20R0RES 20 OHM 1% 1/8W 060314313 - Sofort$0.08Details anzeigen
BREADBOARD GENERAL PURPOSE PTHDKS-SOLDERBREAD-01BREADBOARD GENERAL PURPOSE PTH345 - Sofort$1.94Details anzeigen