This is a problem I have encountered many times. Using ctrl+z to undo 2 steps, and ctrl+y to redo will directly restore to the time before 2 steps back, not 1 step. Using the menu operation is normal.
Summary of Bluetooth configuration experience- Taking HC05 and HC06 as examples - Author: Zhang Xinbin1. Prepare materials(1) A pair of Bluetooth modulesFigure 1: HC05 Figure 2: HC06(2) USB to TTL one
# Goodbye 2019, hello 2020. I muster up the courage to make a post to summarize and look forward to the future. 2019 was the most difficult year, but also the happiest year. The difficulty was due to