As from 19th January 2015, the various sketches below "time out" if they don't enter programming mode after 50 attempts. The code displays a dot for every attempt, so if it fails you will see ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

Since you lacked the USB interface in your own Arduino board, it becomes necessary to use a homemade/ready-made USB to Serial Converter Module as an efficient and economical solution. Inexpensive and ...