diff -r 06240b3b6ea9 -r ccde33d97c52 pcb.rst
--- a/pcb.rst	Fri Oct 09 15:46:02 2015 +0300
+++ b/pcb.rst	Fri Oct 09 17:14:55 2015 +0300
@@ -12,3 +12,9 @@
  * http://fritzing.org/download/
  * http://www.atarado.com/soft-circuit-editor-schematic-layout-design-free.html
 
+Electronics prototyping board.
+==============================
+
+ * https://en.wikipedia.org/wiki/Stripboard
+ * https://en.wikipedia.org/wiki/Perfboard
+