chimes
Hardware
musical instrument
SHOW HN2020
44points
17comments
#1,150of 3,028 in 2020
Top 38%of 2020 by points
How HN took it
MixedNo clear lean
3 positive, 3 neutral or asking, 0 mixed, 1 critical, out of 7 comments about the project. Thread score +0.18.
Design: 2 for, 0 againstIdea: 1 for, 0 againstExecution: 0 for, 1 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Looks and sounds beautiful
From 2 comments
Looks and sounds beautiful! I've been fascinated by the concept of automated musical instruments ever since I saw the self-playing piano at the Valley Fair mall in San Jose. I…
bigyikes on HNBeautiful project! I love how it turned out and I'm impressed by the homemade solenoids. I don't quite understand how the strikers work. Is there something magnetic attached to…
seryoiupfurds on HN
Objections
Gravity return of strikers is not reliable
From 1 comment
On the dowel there are 5 steel nuts which are pulled towards the electromagnet. Gravity makes them return, but TBH it's not reliable enough. I'm working on a new version with…
keredson on HN
Ninth note sounds off-pitch
From 1 comment
Nice hack. Two tangential complaints. First, it sounds to me like the ninth note is off - it's lower than it should be. Second, that page ate a huge chunk of my monthly mobile…
coolgeek on HN
Page loads heavy media and used a lot of mobile data
From 1 comment
Nice hack. Two tangential complaints. First, it sounds to me like the ninth note is off - it's lower than it should be. Second, that page ate a huge chunk of my monthly mobile…
coolgeek on HN
Requests
Use servos instead of electromagnets
From 2 comments
Did you consider using servos vs electromagnets? Curious if small servos couldn’t accomplish the same goal.
jsjohnst on HNThat is a good idea. Those 9g mini servos are only $2 each, so that is much more affordable than the ‘retail’ solenoids.
daniellarusso on HN
Questions
How do the strikers work
From 2 comments
Beautiful project! I love how it turned out and I'm impressed by the homemade solenoids. I don't quite understand how the strikers work. Is there something magnetic attached to…
seryoiupfurds on HNThe electromagnets are used as a solenoid, it seems. So, the electromagnet ‘pulls’ the piece of steel into its inner cavity. The wooden stick and bead seems to be arranged and…
daniellarusso on HN
Alternatives named
Commercial retail solenoids
From 2 comments
Really impressive work! I am really interested in what you are able to come up with. I remember taking apart old telephones with bell ringing mechanisms. That might be a source…
daniellarusso on HNHah, yeah, I think I saw them on Amazon for like $20. That seemed nuts; why I decided to roll my own.
keredson on HN