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blog:2020:05:28:2020-05-28_-_usb_power_relay [2020/05/28 20:16] – created baszblog:2020:05:28:2020-05-28_-_usb_power_relay [2020/05/28 20:18] – USB power relay repo link added basz
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 for some time now i use 4k LCD as a monitor in a living room (3D printer camera preview, music player, movies, internet, etc...). since old laptop that is connected to it has fans, i hibernate it whenever it is not in active use, to reduce noise-pollution (especially important at night time!). when i do so, LCD is out of signal, but still displays "waiting for input" window, bouncing back and forth the screen for 5 more minutes, before deciding to power off itself. this was super annoying when you go to sleep and just hibernated laptop. i just ended up turning on and off LCD manually each time PC was turned of or off. looked like a great place for automation, and since it is [[wp>covid-19]] time -- there was extra time for such details! for some time now i use 4k LCD as a monitor in a living room (3D printer camera preview, music player, movies, internet, etc...). since old laptop that is connected to it has fans, i hibernate it whenever it is not in active use, to reduce noise-pollution (especially important at night time!). when i do so, LCD is out of signal, but still displays "waiting for input" window, bouncing back and forth the screen for 5 more minutes, before deciding to power off itself. this was super annoying when you go to sleep and just hibernated laptop. i just ended up turning on and off LCD manually each time PC was turned of or off. looked like a great place for automation, and since it is [[wp>covid-19]] time -- there was extra time for such details!
 +
 +this is how [[https://github.com/el-bart/mini/tree/master/usb_power_relay|USB power relay]] project has started.
  
 ===== electronics ===== ===== electronics =====
blog/2020/05/28/2020-05-28_-_usb_power_relay.txt · Last modified: 2021/06/15 20:09 by 127.0.0.1
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