Well esp is wifi baked in the chip. If you want determenstic clock cycles then go for stm32. If you want easy quick setups. Like an interface for a fatbikes, wa

Well esp is wifi baked in the chip. If you want determenstic clock cycles then go for stm32. If you want easy quick setups. Like an interface for a fatbikes, washmachine, dashboard for a car, then go for esp