The International Symposium on Design and Diagnostics of Electronic Circuits and Systems provides a forum for exchanging ideas, discussing research results, and presenting practical applications in the areas of design, test, and diagnosis of electronic circuits and systems. The DDECS Symposium series has been organized by these European countries: Hungary (2001, 2005, 2018), Austria (2010), Germany (2011, 2017), Estonia (2012), Czech Republic (1997, 2002, 2006, 2009, 2013), Poland (1998, 2003, 2007, 2014), Serbia (2015) and Slovakia (2000, 2004, 2008, 2016).