Lightbulb with switch, LED with switch, Switch vs. button
Serial connection of LEDs, Switching with button I.
Led lights up in one direction, High luminosity with 100Ω
Bulb controlled by a magnet, Led controlled by a magnet
Switching LEDs, Changing the current by LED
Connecting a light bulb and LED in series, Connecting a light bulb and LED in parallel
Led bypass, Polarity indicator
How a semiconductor diode works in the forward direction
Changing brightness smoothly 1,2
Light alarm, Intensive light alarm
Switching with button II.
Emitter follower with NPN, CE amplifier with NPN and LEDs
CE amplifier with PNP and bulb
CE amplifier with NPN and bulb
Controlling NPN transistor by light 1,2
Controlling PNP transistor by light 1,2
Standard transistor circuit
Night light automatic switch-off 1,2,3
Night light automatic switch-off IV.
Night light automatic switch-off V.
Multiple-tone generator 1,2,3
Adjustable tone generator, Photosensitive electronic organ
Capacitors connected in series and parallel
Charging and discharging the capacitor I and II
Diode forward direction measurement
LED forward direction measurement
Luminance level measurement
Tetris, Ping pong multiplayer, Platform game with Boffin
Ping pong single player, Roxy catching dice
Space shooter, Shooting down the dice
Logic game with Boffin, Jumping game with Boffin, Snake