Eid Mubarak! We would like to inform that we will be closed for Eid Holidays till 16th Aug. Any orders placed till the 16th will be shipped out on the 17th. In addition to this we would also be shifting our office just around the corner. You can check the new location here
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The NPN Transistor acts as a switch or amplifier. With no current at the base, there will be no current flow from collector to emitter. However, a small amount of current to the base will allow a large current to flow through the collector and emitter.
The Blinker module turns a direct current input into a square wave output, allowing you to make LEDs blink and Buzzers beep. It has a green LED flashing in time with the output and a red LED to indicate if power is connected the wrong way. You can change the blinking rate by turning the wheel!
The Motor module operates between 8V and 12V. By flipping the module around, you can get the motor spinning in either direction. It comes with a soft foam wheel to visualize its rotation, but you can also create your own propellers or paper crafts to put on top!
The Buzzer module plays a 4kHz tone. The volume of the buzzer can be adjusted by changing the the amount of power running through it. The plus and minus signs indicate the direction in which it operates.