There are two spring boot projects here. Demo -> Spring Boot Admin Server Test Client -> One test client spring boot project that can connect to admin server.
After run demo and testclient projects. You can see admin server wallboard on localhost:7700 uri.
For medium article -> https://hkdemircan.medium.com/how-can-we-monitor-our-spring-boot-microservices-f5bcb88a1dbb