[HN Gopher] Re: Flex Dance: open-source dance pad ___________________________________________________________________ Re: Flex Dance: open-source dance pad Author : kadoban Score : 36 points Date : 2020-12-12 18:23 UTC (4 hours ago) (HTM) web link (reflex.dance) (TXT) w3m dump (reflex.dance) | jfim wrote: | Pretty cool project, the LEDs are pretty nice! | | In case the author or someone else knowledgeable reads this, is | that application for the load cells used for sensing are able to | handle? The load cells are rated for 50 kg (~110 lbs), and even | if there are four load cells, the dynamic load might not be | evenly distributed. It's also likely that the 50 kg limit is a | static load, not a dynamic one. | wiml wrote: | The manufacturer's site lists the max load as 150% full scale, | so there is a little room there. (And exceeding it probably | just makes the cell go out of calibration, which might not be a | big deal for a dance pad?) | chaosharmonic wrote: | Oh yeah, this sounds familiar. Was it also on the DDR subreddits | a while ago? | | I meant to ask the first time I saw it -- if I'm understanding | this correctly, the entire frame consists of parts that can be | either printed or just sourced off-the-shelf? I've personally had | "pad build" on my backlog, and have been playing around with | modifications of the Cobalt Flux design on paper ever since a | failed attempt to put one on risers (apartment noise issues...), | but wood- and/or metalworking have generally been barriers to | actual implementation. | | Maintaining it up until that point is actually also how I DIY'd | my first controller, and finally learned to solder. | | (It also just became less of an issue between living in a region | with a few different cabinets I could drive to and the L-Tek pad | releasing around a year or so later.) | jwalton wrote: | I built something like this a while ago, but mine is not nearly | as nice. I etched an interlaced finger pattern on a big copper | clad board, then put a tented piece of metal overtop of that, | then some lexan sheets with a graphic inbetween them on top, so | when you step on the arrow, it squishes the metal plate on to the | circuit board and closes the circuit. It works remarkably well. | And then the whole thing is powered by an Arduino that pretends | to be a keyboard: https://github.com/jwalton/arduino-dancepad | [deleted] ___________________________________________________________________ (page generated 2020-12-12 23:00 UTC)