Comments on: Pedestrian crossing button teardown https://www.epanorama.net/blog/2018/11/12/pedestrian-crossing-button-teardown/ All about electronics and circuit design Tue, 14 Apr 2026 16:08:24 +0000 hourly 1 http://wordpress.org/?v=3.9.14 By: Tomi Engdahl https://www.epanorama.net/blog/2018/11/12/pedestrian-crossing-button-teardown/comment-page-1/#comment-1612561 Mon, 12 Nov 2018 21:41:39 +0000 http://www.epanorama.net/newepa/?p=180371#comment-1612561 http://www.bbc.com/future/story/20150415-the-buttons-that-do-nothing

Does it help to push the buttons on pedestrian crossings, train doors and thermostats? Often the answer is “no”, as Chris Baraniuk discovers.

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2018/11/12/pedestrian-crossing-button-teardown/comment-page-1/#comment-1612560 Mon, 12 Nov 2018 21:39:18 +0000 http://www.epanorama.net/newepa/?p=180371#comment-1612560 Product page “Prisma Daps 2000″
https://www.prismatibro.se/da_hjalpfunktioner_181017/

Walk
2,5W vid min ljudvolym och låg pulsfrekvens.
8-10W vid max ljudvolym och hög pulsfrekvens.

Valet görs vid beställning och i kombination med signal I/O och lampa I/O
• 18-24V AC/DC
• 28-49V AC/DC
• 100-170V AC
• 150-240V AC

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2018/11/12/pedestrian-crossing-button-teardown/comment-page-1/#comment-1612559 Mon, 12 Nov 2018 21:34:34 +0000 http://www.epanorama.net/newepa/?p=180371#comment-1612559 According to this web page http://www.kotikone.fi/~d628809/liikennevalot/
this button unit was newer model made by PrismaTeknik AB http://www.prismateknik.se/

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