What is the default UART baud rate used by 4D Systems modules? 05 October 2020 00:31 Updated All 4D display modules start with 115200 baud if the baud rate is not manually configured. Related articles I got 'FileTransfer failed' error when uploading my project, what can I do? How to Change Initial Form? Can I use 4D-UPA/gen4-PA to connect another device to the display module? Does 4DGL support 8-bit variable types? What are the requirements for a host controller? Comments 0 comments Please sign in to leave a comment.