Here’s an interesting implementation of a classic: the 555 timer as astable multivibrator for the noble purpose of making weird music. [pratchel] calls this a Morgenflöte or morning flute, indicating that it is best played in the morning. It would certainly wake up everyone in the house.
Instead of using LDRs in straight-up Theremin mode and waving his hands about, [pratchel] mounted one in each of several cardboard tubes. One tube is small and has just a few holes; this is intended to be used as a flute. [pratchel] cautions against locating holes too close to the LDR, because it will overpower the others when left uncovered. A larger tube with more holes can be used as a kind of light-dependent slide whistle with another holey tube that fits inside. We were disappointed to find that the giant tube sitting by the amplifier hasn’t been made into a contrabass flute.
Continuing the theme of astability, [pratchel] went completely solderless and built the circuit on a breadboard. The LDR’s legs are kept separate by a piece of cardboard. This kind of project and construction is fairly kid and beginner-friendly. It would be a good one for getting your musically inclined friends and family members into electronics. Here’s a 555 player piano built by Hackaday’s own [Steven Dufresne] that might be a good second step. Check out [pratchel]’s performance after the break.
6 thoughts on “Greet The Sun With A 555 Flute”
Cute, and annoying.
Yes, cute. Agree. For about 10 seconds. Then very, very annoying. WTG for putting the project together! Now destroy it. Immediately.
The perfect project to get children interested in electronics. Ideally someone else’s children so you don’t have to deal with the aftermath.
OMG, So many sex jokes…
Sounds better than my analogue Morgenflöte, there is no way I can get that pitch range and no amount of muscle control will let me do that arpeggio effect.
I give it a 9/10, it would have got a 10/10 except I think it needs more distortion!
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