@startuml
scale 5 as 100 pixels

clock "TIM7" as clk with period 1
binary "UART RX" as uart
binary "Sample" as smp

@0
uart is low
smp is low

@8
smp is high

@9
smp is low

@16
uart is high

@24
smp is high

@25
smp is low

@32
uart is high
@enduml
