[geon]

Having digital timer settings would be tricky without a processor, I imagine.

[sokoloff]

It’s also likely faster to implement as a one-off for a hobbyist and, using a low-cost MCU, cheaper than building it around a $0.10 555 if you want to make a product.

https://cpldcpu.wordpress.com/2019/08/12/the-terrible-3-cent...