COM-15208 - Buck-Boost Converter 3 ... 16V, SparkFun Electronics

is this converter bidirectional

can we connect in parallel

can we control it by generating of PWM signals by STM32

Thanks

is this converter bidirectional

Sadly, no it only operates in one direction.

can we connect in parallel

We have not tried that, but it should work.

can we control it by generating of PWM signals by STM32

Unfortunately no.