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I'm trying to use my TFT 3.5 screen on my rpi to rotate different scripts. The idea is to show pihole dashboard, digital clock and a custom message.

I have tried to do it using the crontab:

*/3 0 0 0 0 script1
*/10 0 0 0 0 script2
*/15 0 0 0 0 script3

However, this solution is not perfect as scripts need to be killed and restarted.

Another solution I tried was to create a custom "rotate" script which executes three other scripts. Problem here is that I use sleep statements, which is kinda dirty solution.

Is there any other way to execute three different scripts (without restarting the processes) and rotate the output (like every 2 minutes) which is sent to the TFT screen?

I'm using latest paspbian image.

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