This power supply kit provides regulated 0 to 9 volts up to 100mA. This compact power supply is great for low current applications. Components: 2 resistors, potentiometer, 4 capacitors, 4 diodes, 3 transistors, transformer, slide switch, line cord. Principles taught: rectifiers, voltage regulation.
Bright red, green, and yellow LEDs are positioned just like a 4-way signal. Miniature traffic light as used on four-way junctions. Realistic operation with adjustable delay. 12 LEDs. Great for model railroads, exhibitions, as a toy, ...
This kit alternately flashes two super bright red LEDs with a built-in adjustable light sensor that automatically turns it on at night and off at dawn.
This kit is a great surface mount learning kit with a distinctive display using 6 Surface Mount (SMT) LEDs. The PC board is in the shape of a heart and is also red. The small size makes it perfect to be used as a badge or hanging pendant around your neck. Runs on a small CR2025 or CR2032 button cell (not included).
The kit allows you to create your own message for personal advertisements. 12 self definable characters, which are made by the customer. 150 bright LEDs supplied with the kit. Many spectacular light effects on the message, (scrolling, blinking, rolling, panning...). Adjustable effect speed. Vertical or horizontal position possible. Fixed displaying is possible (no effects). Different displays can be synchronized, to create longer messages, or to create giant advertisements.
The kit has adjustable flashing speed with two potentiometers.
8 LEDs. Different LED running effect are selectable (PROG push button).
With the White LED Flashlight Kit you can build a super-cool high-powered LED flashlight that is small enough to fit on your keychain.
This is a more basic self standing kit with a green PC board and 16 bright red LEDs mounted in the traditional tree pattern.
This kit has 16 flashing red LEDs with extra green and yellow LEDs provided to customize your tree. This Christmas tree has 4 branch sections giving it a 3D depth look. It holds a standard 9V battery at its base and will stand with or without the battery.
This kit produces flashing colored LEDs and three popular Christmas melodies! Makes an excellent ornament. Educational kit complete with PC Board and detailed instruction book.
With the LED Robot Blinker Kit you'll have fun displaying the PC board robot and learning about free running oscillators.
The kit alternately flashes two pair of LEDS at a rate of about 2 flashes per second. This is a fun toy as well as a great way to learn how oscillators work.
This kit can be used as a game, or just to drive someone crazy. The circuit produces an irritating pitch for about 8 seconds and then shuts down for two minutes. It then repeats...and repeats, etc. until found by the victim.
The kit allows you to control up to 10 devices using only 2 wires at a long distance. Microprocessor controlled. Inputs can be push-buttons, switches or open collector outputs from another device. The receiver section provides 10 open collector outputs that allow you to control relays directly.
