various electronic components, including resistors, transistors(bottom right) various types of capacitors, diodes and zener diodes(top) in a printed circuit board from a dc adaptor.
<a href="//commons.wikimedia.org/wiki/User:Soumyapatra13" title="User:Soumyapatra13">Soumyapatra13</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>