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Lego EV3 Network communication Connect Async start lines
public async Task ConnectAsync()
_client = new TcpClient();
await _client.ConnectAsync(_address, 5555);
_stream = _client.GetStream();
// unlock the brick (doesn't actually need serial number?)
byte[] buff = Encoding.UTF8.GetBytes(UnlockCommand);
await _stream.WriteAsync(buff, 0, buff.Length);
// read the "Accept:EV340\r\n\r\n" response
int read = await _stream.ReadAsync(buff, 0, buff.Length);
string response = Encoding.UTF8.GetString(buff, 0, read);
throw new Exception("LEGO EV3 brick did not respond to the unlock command.");
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