YsLLyfe

the same problem `go env` ``` set GO111MODULE= set GOARCH=386 set GOBIN= set GOCACHE=C:\Users\Administrator\AppData\Local\go-build set GOENV=C:\Users\Administrator\AppData\Roaming\go\env set GOEXE=.exe set GOEXPERIMENT= set GOFLAGS= set GOHOSTARCH=386 set GOHOSTOS=windows set GOINSECURE= set GOMODCACHE=C:\Users\Administrator\go\pkg\mod...

@rittneje `go build` output ``` C:\Program Files (x86)\Go\pkg\tool\windows_386\link.exe: running gcc failed: exit status 1 C:\Users\ys\AppData\Local\Temp\go-link-2705782361\000000.o: file not recognized: file format not recognized collect2.exe: error: ld returned 1 exit status ```...

@9mm the PRIMITIVES key sequence in this gem is 0-9 A-Z a-z, base62-rb is 0-9 a-z A-Z, you can choose or modify it yourself Still not yet a standard CharacterSet...

@guoshucheng 你的这个问题解决了吗？我用小程序initpacket也是遇到这个问题，同样的包可以用nrf connect使用。而且我看了一下返回的crc是一致的。