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Blynk is connected but not working, I use relay and PZEM004t, relay at pin D8

• Hardware model + communication type. For example: Arduino UNO with esp01
• Smartphone Android
• Blynk server
• Blynk Library version :1.0.1

[Unformatted code removed by moderator]

it connect but dont work at blynk,

Please edit your post and add triple backticks ( ``` ) before and after your sketch.

Must be the first two lines in your sketch before anything.

You must read this
https://docs.blynk.io/en/legacy-platform/legacy-articles/keep-your-void-loop-clean

Blynk-cloud.com belongs to the old blynk, now it’s blynk.cloud

Clean your void loop() first