A little while ago while having a bit of a sort out I came face to face with the extent of my backlog of projects! So, I’ve been on a bit of a mission to make a bit of a dent in it.
Here’s my progress so far… (part 1)!
Multi Voice Changer Megaphone
This was an easy one. It’s a cheap and cheerful kids toy I was given as a gift at some point which makes a pretty great noise. Years ago I started experimenting with putting a jack in the side to take a signal straight out for recording purposes. To this end I knocked up a simple opamp gain stage to boost the signal to a better level.
The unit originally worked by a basic trigger switch connecting power to the unit every time you wanted to speak into it. This generated a pretty load pop so I installed a switch for the power and a good quality pushbutton switch to switch on the microphone when you wanted to talk into it. It still pops a little but not that load and I quite like it!Read more »