Maybe a 100uF electrolytic cap in the power rails and some 0.1uF on the power to the chip? It could be that the FTDI is not filtered well enough.
Other than that, everything seems in order.
Maybe a 100uF electrolytic cap in the power rails and some 0.1uF on the power to the chip? It could be that the FTDI is not filtered well enough.
Other than that, everything seems in order.