LED current-limiting resistor
Choose a series resistor, then inspect LED current and resistor power.
View example →CURATED CIRCUITS
Start from a circuit that teaches one clear idea
Every example is reviewed, explained and opens directly in the circuit lab. User share links are not part of this gallery.
RC capacitor charging
Observe the capacitor charge curve and change the time constant.
View example →Half-wave diode rectifier
Compare the AC input with the rectified load voltage.
View example →NPN transistor switch
Use a base resistor to control an LED load.
View example →ESP32 GPIO LED drive
Set GPIO2 HIGH, inspect current and test the safety limit.
View example →Incandescent lamp inrush
Observe battery sag and a lamp filament warming after switch-on.
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