/challenges-projects/design-challenges/energy-harvesting/b/blog/posts/a-very-compact-guide-to-energy-harvesting---part-029Becoming Deranged In addition to the Expansion connector on its right hand side the STK3700 has perimeter peripheral and signal pins that can be used for connection.To use these easily I soldered on some gold connector pins. To enable the connect...en-USTelligent Community 12