Keep track of the day of the week
If you're working from home, on extended leave or under quarantine... sometimes it can feel as if some days tend to melt into one another. You can wake thinking "today is Tuesday", when in fact - it is Thursday. Trust us, it happens and isn't amusing.
To stay on top of this issue, and also have some fun - you can build a day-of-the-week indicator described by Mr K.C. Budd who has used an inexpensive ESP8266 dev board, a cheap servo and a 3D-printed sign, as shown below:
Simple yet functional, and an interesting way to fill some time until the next day. For all the details, check out the project guthub page.
And if you're interested in doing this yourself, PMD Way has a you covered with a wide range of parts, such as: