Description: This is a low cost TQFP package (0.5mm pitch, 64 & 80pins) SMD parts breakout boards to convert to standard of 0.1" which is normally use in breadboards and donut boards. You can use it with the header pins so that the SMD parts can be fitted into donut boards.
The spacing between the two rows of pins is 1".
1. How to Soldere SMT Components?