Imports github.com/gorilla/websocket go.bug.st/serial go.bug.st/serial/enumerator golang.org/x/image/font golang.org/x/image/font/gofont/goregular golang.org/x/image/font/opentype golang.org/x/image/math/fixed maze.io/x/pixel/pixelcolor Standard library imports encoding/binary fmt image image/color image/draw log/slog net net/http strconv sync time