[HN Gopher] Mind Grenade (2019) ___________________________________________________________________ Mind Grenade (2019) Author : ggoo Score : 64 points Date : 2021-10-31 18:37 UTC (4 hours ago) (HTM) web link (www.fourmilab.ch) (TXT) w3m dump (www.fourmilab.ch) | 4gotunameagain wrote: | That's super cool, does anyone know where to find the schematic? | | Creating one from the simulator code would do it, but he states | that it is an _" an abstracted version of the Mind Grenade"_ so | not sure if that means not exactly the original design | smoyer wrote: | 74LSxx parts are still available and will provide all the | logical functions described. An LM555 could able used as the | astable multi vibrator. | 4gotunameagain wrote: | Yeah I too did read the article, thank you. I know how to | make a functionally equivalent device from the provided | information. | | I trust that the original inventor tried multiple variations | before settling on the final design, and was hoping to be | able to skip that | [deleted] | B1FF_PSUVM wrote: | > my wire-wrapped electronics works perfectly fifty years later | | Good point there. | | I once had to debug a (just-made) bad wrap that looked OK but | wasn't, and that was it for my troubles with wire-wrap. | YZF wrote: | Neat. Just a random thought about the random notes is that | picking notes from chords over some chord progression might | result in more interesting random music. You'd probably need some | sort of ROM lookup table to accomplish this in the original | design. You can still randomize which specific notes are being | played out of the chord (or the scale implied by the chord?) ___________________________________________________________________ (page generated 2021-10-31 23:00 UTC)