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Kit#: QK04
MINI KNIGHT RIDER :

Mini Knight Rider

A simple led chaser kit with 10 super bright led's. it looks like a Knight Rider. We use a simple multivibrator and CMOS 4017. Kit operated with 9V battery ( not supplied with kit).

Price: $ 4.00 each

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Kit#: QK07
TRAFFIC SIGNAL CONTROLL (LEDs) :

Traffic Signal Control(LEDs)

The very much interesting kit for the beginners and electronics students. LED's are working just like a traffic signal. You can increase or decrease the duration of signal.

Price: $ 5.00 each

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Kit#: QK10
FLASHING HEART :

Flashing Heart

Slimple Flip Flop kit . It has 24 super bright led's . 12V DC power supply required.

Price: $ 4.00 each

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Kit#: QK25
MOVING MESSAGE 7 CHANNELS - 2 FUNCTIONS OUTPUT FOR LETTERS :

Moving Message 7 Channels

Here is a running message display circuit wherein the letters formed by LED arrangement light up progressively. Once all the letters of the message have been lit up, the circuit gets reset. The circuit is built around Johnson decade counter CD4017BC (IC2). One of the IC CD4017BEs features is its provision of ten fully decoded outputs, making the IC ideal for use in a whole range of sequencing operations. In the circuit only one of the outputs remains high and the other outputs switch to high state successively on the arrival of each clock pulse. The timer NE555 (IC1) is wired as a 1Hz astable multivibrator which clocks the IC2 for sequencing operations. On reset, output pin 3 goes high and drives transistor T7 to on state. The output of transistor T7 is connected to letter W of the LED word array (all LEDs of letter array are connected in parallel) and thus letter W is illuminated. On arrival of first clock pulse, pin 3 goes low and pin 2 goes high. Transistor T6 conducts and letter E lights up. The preceding letter W also remains lighted because of forward biasing of transistor T7 via diode D21. In a similar fashion, on the arrival of each successive pulse, the other letters of the display are also illuminated and finally the complete word becomes visible. On the following clock pulse, pin 6 goes to logic 1 and resets the circuit, and the sequence repeats itself. The frequency of sequencing operations is controlled with the help of potmeter VR1. The display can be fixed on a veroboard of suitable size and connected to ground of a common supply (of 6V to 9V) while the anodes of LEDs are to be connected to emitters of transistors T1 through T7 as shown in the circuit. The above circuit is very versatile and can be wired with a large number of LEDs to make an LED fashion jewellery of any design. With two circuits connected in a similar fashion, multiplexing of LEDs can be done to give a moving display effect.

Price: $ 4.00 each

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Kit#: QK40
CAR BATTERY VOLTAGE METER :

Car Battery Voltage Meter

Simple volt meter using different zener diodes . We make this kit from 9 volt to 15 volts. For the purpose of testing battery volts.

Price: $ 3.00 each

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Kit#: QK47
CAR BATTERY MONITER :

Car Battery Moniter

Car Battery moniter or battery Checker. 3 Led's indicates LOW , GOOD , OVER condition. Can be used in old cars in which battery monitors was not present.

Price: $ 2.00 each

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Kit#: QK63
FLASHING CIRCLE :

Flashing Circle

Slimple Flip Flop kit . It has 16 super bright led's . 12V DC power supply required.Good example of multivibrator.

Price: $ 3.00 each

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Kit#: QK89
LED FLASHER 3 FUNCTIONS, 5 OUTPUTS (TRIGGER TYPE) CHIP ON BOARD (COB) :

Five Ultra Bright LED's flash in three patterns. The modes can be cycled through using an on-board switch. When the desired flashing pattern is found just leave the switch there and the pattern will remain flashing as long as power goes to the board & the switch remains set.

Price: $ 1.50 each

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Kit#: QK90
LED FLASHER 5 FUNCTIONS, 5 OUTPUTS (TRIGGER TYPE) CHIP ON BOARD (COB) :

Five Ultra Bright LED's flash in five patterns. The modes can be cycled through using an on-board switch. When the desired flashing pattern is found just leave the switch there and the pattern will remain flashing as long as power goes to the board & the switch remains set.

Price: $ 1.50 each

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Kit#: QK91
LED FLASHER 8 FUNCTIONS, 5 OUTPUTS (AUTO TYPE) CHIP ON BOARD (COB) :

Five Ultra Bright LED's flashing in random or in sequence. The flashing frequency is set by a single external resistor between 300K and 1M ohm. Excellent project for schools since the project is very safe - uses 2 x 1.5V batteries, can be easily put together within 30 minutes, teaches the latest electronic technology as found in games and toys and give an strong visual result when it is finished.

Price: $ 1.50 each

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Kit#: QK92
LED FLASHER II 8 FUNCTIONS, 5 OUTPUTS (AUTO TYPE) CHIP ON BOARD (COB) :

Five Ultra Bright LED's flashing in random or in sequence. The flashing frequency is set by a single external resistor between 300K and 1M ohm. Excellent project for schools since the project is very safe - uses 2 x 1.5V batteries, can be easily put together within 30 minutes, teaches the latest electronic technology as found in games and toys and give an strong visual result when it is finished.

Price: $ 1.50 each

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Kit#: QK123
FLASHER MULTI FUNCTIONS , 14 OUTPUTS WITH SPEED CONTROLL VARIABLE :

Flasher Multi Functions

Here is the kit for making the multi-function (multi pattern) LED sign boards. The kit based on the microcontroller from the ATMEL AT89C2051. We use all its ports. 14 outputs are for LED's. You can make 14 characters multifunction signboard, each out can bear the load of 35 super bright LED's easily. So that you can drive 490 LED's. Operated at 12V DC.

Price: $ 10.00 each

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Kit#: QK143
FLASHER MULTI FUNCTION 9 CHANNELLS . FOR 1800 LEDS :

Flasher Multi Functions 9 Channels

Here is the kit for making the multi-function (multi pattern) LED sign boards. The kit based on the microcontroller from the ATMEL AT89C2051. 9 outputs are for LED's. You can make 9 characters multifunction signboard, each output can bear the load of 200 super bright LED's easily. So that you can drive 1800 LED's. Operated at 12V DC.

Price: $ 10.00 each

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