Uploaded August 2022 | Updated September 2026, 2 weeks ago

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PCBWay Supports High Precision Advanced PCBs: pcbway.com
This pcb uses an op amp to interface the SCT-013 current transformer with an ESP8266 on a WeMos D1 Mini module.
Using a "TrueRMS" Arduino library, current can be monitored and tasks performed based on the measurements.

SCT013 at AliExpress: https://s.click.aliexpress.com/e/_DB8OAZd
Bare PCBs at PCBway: pcbway.com/project/shareproject/SCT013_Current_Monitor_for_ESP8266_cc7ccd2e.html
Sketch/Design files: github.com/GadgetReboot/WiFi_Current_Transformer

New price drop on 4-6 layer PCBs at PCBWay: pcbway.com/blog/News/Big_News_Sale_Promotion_for_Multilayer_PCB_86a5864f.html

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