Ground needs to be connected to ground no matter what. Don't connect the BLK. At all. Or CTS.
So try it again as I suggested.
If the circuit does not auto reset try an upload but press reset just before the IDE actually starts the upload.
Ground needs to be connected to ground no matter what. Don't connect the BLK. At all. Or CTS.
So try it again as I suggested.
If the circuit does not auto reset try an upload but press reset just before the IDE actually starts the upload.