How to Install Facebook Pixel on Blogger?(2020)(error:he reference to entity "ev" must end with the ';' delimiter.)

If  you install Facebook Pixel on Blogger  is error or not work

org.xml.sax.SAXParseException; lineNumber:
 columnNumber:
The reference to entity "ev" must end with the ';' delimiter.

1. encode  Facebook Pixel  with HTML Encoderbr

2. Paste on blogger and after </head>
3. Add amp; on after amp;

ESP32 received data from Serial with softwareserial,but the packet loss.

ESP32 received data from Serial  with softwareserial.If data too long,the tail data will missing.

micro USB Bad connection! Wrong design micro USB connector

I buy some micro USB line from chinese on 1688. Their color is blue. And with Anti electromagnetic interference,Industrial grade.