The third installment of my gripping series of picaxe parts is a speaker, to make use of the sound command on the picaxe.I found the tiny speaker in one of my many boxes of junk, it is from an old 3310 i used to use.
Again the scematic is very simple, with just 4 parts in total on the assembled board, the Speaker, the 10uF capacitor, the terminal block, and the board itself
The shot from the back isn’t that pretty, you can see the double sided sticky tape I used to hold the speaker on. i was contemplating using my hot glue gun, but it was outside in the shed, and it was late when i made this.
Anyway, i hope someone can find a use for these things,
Edit: After playing around with the speaker a bit, it seems to have a very limited frequency response, with a massive peak in it, i figure because it came out of a phone, and was optimised for voice. So I’m going to dig into my boxes of junk, and try to dig up another small speaker to update the the unit with a better one.