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circuit_design:uebung_2.1.5 [2023/03/27 14:13] – mexleadmincircuit_design:uebung_2.1.5 [2023/03/27 14:13] (aktuell) – mexleadmin
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 For a circuit, you need to control two LEDs, but unfortunately, only one digital output is free.  For a circuit, you need to control two LEDs, but unfortunately, only one digital output is free. 
 The supply voltage of the microcontroller and the board is $5~\rm V$.  The supply voltage of the microcontroller and the board is $5~\rm V$. 
-LED1 should have a forward voltage $U_{\rm f,1}=2.3~\rm V$ (red), LED2 should have a forward voltage $U_{\rm f,2}=2.1~\rm V$ (green).+LED1 should have a forward voltage $U_{\rm F,1}=2.3~\rm V$ (red), LED2 should have a forward voltage $U_{\rm F,2}=2.1~\rm V$ (green).
  
   - Design a circuit from the existing voltage levels so that both LEDs can be driven. \\ Existing voltage levels:   - Design a circuit from the existing voltage levels so that both LEDs can be driven. \\ Existing voltage levels: