Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision		 Previous revision
lab_electrical_engineering:led_brightness_control_using_pwm [2026/06/17 12:22] – mexleadminlab_electrical_engineering:led_brightness_control_using_pwm [2026/06/17 14:29] (current) – mexleadmin
Line 13: Line 13:
 {{drawio>PWM_brightness_adjustment_experiment.svg}} {{drawio>PWM_brightness_adjustment_experiment.svg}}
 </wrap> </wrap>
-\\  +~~CLEARFIX~~ 
-\\  +  - Build the circuit on the MEXLE-board. To do this, connect two LEDs in anti-parallel. What value must the series resistor for the LEDs have? **An LED requires approx. 20 mA to operate.** \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ 
-\\  +  - Use the circuit variant with **C1 = 10 nF**. Vary the duty cycle and document the result. \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\  
-\\  +  - What are the advantages of this type of brightness control? Name some applications. \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ 
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-  - Build the circuit on the MEXLE-board. To do this, connect two LEDs in anti-parallel. What value must the series resistor for the LEDs have? **An LED requires approx. 20 mA to operate.** +
-  - Use the circuit variant with **C1 = 10 nF**. Vary the duty cycle and document the result. +
-  - What are the advantages of this type of brightness control? Name some applications.+
   - How would the circuit have to be designed if only one LED is to be operated with brightness control?   - How would the circuit have to be designed if only one LED is to be operated with brightness control?
 +\\ \\ \\ \\ \\ \\ 
  
  
Line 43: Line 25:
 ====Test Questions==== ====Test Questions====
 </WRAP> </WRAP>
 +~~PAGEBREAK~~