Cited as a reference · for some experience
How to build simple analog balancing robots
Why people recommend it
A demonstration of a self balancing robot driven by a 555 timer, linked as an example of simple analogue motor control without a microcontroller.
Watch for: linked by its own maker in at least one thread; little discussion
In their words
Would it be a good idea to replace the stock of IRFD110 and IRFD120 with FQP30N06L and FQP27P06 for hobby project related applications similar to this:
himura on electronics.stackexchange.com, Apr 2016. CC BY-SA.