This weekend, as an additional project, David built the variable power supply shown in the photo. It delivers a continuously variable voltage from 1v to 17v by adjusting the silver potentiometer shaft.
All rights reserved to all images, designs, and content; nothing may be reproduced, copied, adapted, modified, distributed, licensed, sold, transfered, publicly displayed, transmitted, streamed, broadcasted, or published in any form without written authorization from the author of this blog.