PROJECT TOPIC · SWITCHES
Switch Circuit Projects
Compare slide, press, reed, and vibration switches in beginner electronic circuits.
01 / GUIDED BUILDS
Choose a circuit
18 visual projects in this topic.
Press Switch LED
Make a white LED light only while you hold down the press switch.
Slide Switch LED
Build a white LED circuit that turns on when you close the slide switch.
Switch-Controlled Lamp
Build a simple loop in which a slide switch turns a small lamp on and off.
Transistor Motor Driver
Use a press switch and small base current to let an NPN transistor control a motor load.
Blue LED Switch Light
Replace the color LED in manual Project 2 with a blue LED and keep the current-limiting resistor.
Morse Code LED
A safe LED variation of manual Project 103 for practicing short and long light pulses.
Musical Doorbell
Recreate manual Project 5 with a press switch, music IC, and speaker.
Pushbutton Color Light
A momentary-switch version of manual Project 2 with a protected color LED.
Pushbutton Fan
A momentary-control variation of manual Projects 8 and 9 for the motor and fan.
Pushbutton Electric Light
A pushbutton variation of manual Project 1 that lights the lamp only while pressed.
Magnetic Color Light
Bring a magnet near the reed switch to power the color LED safely.
Magnetic Reed-Switch Lamp
Replace the manual Project 1 slide switch with a magnet-operated reed switch.
Magnetic Motor Control
Start a motor by bringing a magnet near the reed switch.
Tilt-Activated Lamp
A position-sensitive variation of manual Project 1 using the three-terminal tilt switch.
Tilt-Controlled White LED
Change board angle to control a current-limited white LED.
Tap-Triggered Blinking LED
Tap the board to energize a blinking LED through a vibration switch.
Vibration-Activated Lamp
Use a vibration switch to flash a lamp when the board is tapped gently.
Tap-Triggered Motor
Use a vibration switch to pulse the motor when the board is tapped.