One phase pzem004 meter
thingiverse
I'm working on a project that combines an esp8266 with a pzem004 and a power supply HLK-PM01 5V. The connections are straightforward - just the power and rx/tx lines are used. I also need to create a cover for the oled display, which is an i2c 0.96" oled 128x64 screen. However, I haven't tested it yet. The esp8266 board I'm using can be found on aliexpress at this link: https://www.aliexpress.com/item/1000001129692.html. I'm planning to use the ESPHome software for this project, which can be found here: https://github.com/esphome/feature-requests/issues/49.
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