Instead of using a cronjob you can put the device into sleep and use the RTC to schedule the next wakeup (see [1]). This takes only very little power, as the de

Instead of using a cronjob you can put the device into sleep and use the RTC to schedule the next wakeup (see [1]). This takes only very little power, as the device is only turned on for mere seconds and sleeps the remaining time. [1] https://github.com/pascalw/kindle-dash/blob/main/src/dash.sh#L93-L94 https://github.com/pascalw/kindle-dash/blob/main/src/dash.sh...