Building a Modified EA Tremolo Pedal on Veroboard
Good morning, everyone. Who wants to build a tremolo pedal today? Well I know I do. The original EA Tremolo was published in “Electronics Australia”, an Australian (you don’t say!) electronics magazine, in November 1968 and later proved extremely popular among the DIY community. Since then, several modifications/improvements have been made. Here’s the one I’ve decided to try: A description of the circuit can be found here: http://www.home-wrecker.com/eatremolo.html Helpfully, a Veroboard layout is already available. This one was laid out by Andrew Carrell, who asks that it not be reposted, so instead I will simply provide a link: http://www.aronnelson.com/gallery/main.php/v/DRAGONFLY-LAYOUTS_0/album19/album145/EA_TREMOLO_VERO.gif.html [Note that the flashing LED appears to be wired in the wrong way around in that veroboard layout, so swap its polarity. See comments below for a bit more info.] As you may be aware, I’m a bit of a fan of Veroboard circuits, since they can be quite easy to...