Final check and Power-up DSO 138 DIY Kit HD
Notice: This video recorded after my final tested, so JP4 have been shorted at beginning. Actually, you have to keep it open after 3.3V on TP22 confirmed. Assemble, test, align and power-up DSO138, Open-sourced Oscilloscope DIY kit. http://arduino-er.blogspot.com/2014/12/assemble-test-align-and-power-up-dso138.html