Those 'smart sockets' can be really handy. I use one to control the
startup of my 3 phase rotary converter. That way I can be in the shop
and only have the converter running when I need 3 phase. In the house is
a manual lockout switch for times when I know I won't need 3 phase.
Dave
On 2/15/22 9:19 AM, Chris Albertson wrote:
How much power does your system use? If it can be powered from a normal
120 volt AC then you can buy a "Smart Outlet" that switches the 120V by
WiFi, cost about $10 or $15. The Pi then can turn off or on any AC mains
powered device. They sell these on Amazon or at Home Depot. You can
buy them in a plug-in device or as a powerstrip where each socket is
addressable. There are quite a few of these on the market.
Here is what I have:
amazon.com/dp/B07B8W2KHZ
<https://www.amazon.com/dp/B07B8W2KHZ?psc=1&ref=ppx_yo2_dt_b_product_details>
Place the script to turn the power on and off in /etc/rc5.d and /etc/rc6.d
and then it is done as the normal part of booting and shutdown.
If you like the device you can likely find a use for half dozen of them
around the house, use them like light timers with software that runs a
schedule 24/7 or use them to control AC powered stuff from a phone app.
On Tue, Feb 15, 2022 at 6:28 AM Thaddeus Waldner <thadw...@gmail.com> wrote:
On a small cnc machine run by a raspberry pi, I’d like to set up the main
power to accomplish the following:
1)pressing the power button/flipping the switch turns on the machine
2) pressing the off button, the pi should first perform a shutdown then
turn off the main power to all control power supplies.
3) shutting down the pi via the user interface turns off main power to all
control power supplies when finished.
I’m considering installing one of those powered mains disconnect switches,
the likes of what you find in office photocopiers and industrial cnc
machines.
Any ideas?
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