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Chip on Board

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Kit#: QK03
MULTI SIREN 3 IN 1 :

Multi Siren  3 In 1

Three Sirens at three different switch positions. First one is POLICE SIREN, second at the center position of switch is EMERGENCY SIREN, and last is FIRE SIREN.The output will be on 8 ohms speaker (supplied with the kit). The kit can be operated with 9 volt battery (not supplied with kit).

Price: $ 4.00 each

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Kit#: QK09
DREAM MELODY HORN ALARM :

Dream Melody Horn Alarm

The very simple melody kit. It based on the UM66 IC and a small amplifier. you can change the melody easily by changing music IC not the whole kit. 12V DC power supply needed.

Price: $ 2.00 each

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Kit#: QK17
BURGLAR ALARM - LIGHT & DARK ALARM :

Burglar Alarm

Light and Dark Alarm for home and offices. We use LDR and Cmos 4011 in this kit . If you want to produce alarm in morning (when sunrise) you should slide the switch at LIGHT position otherwise at DARK. Best kit or beginners. operates at 9 V DC ( power supply not included in kit).

Price: $ 5.00 each

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Kit#: QK21
WATER LEVEL INDICATOR ALARM :

Water Level Indicator Alarm

Indicator for over- flowing Water Tank . When the tank filled it's buzzer and led will be ON. Just use Simple wires as a sensor. You can make multiple levels to add more kits. Also you can use this kit as water sensor. DC 12V power supply required ( power supply not included in kit). Simple , Cheap , and reliable result.

Price: $ 3.00 each

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Kit#: QK22
MAGIC ALARM - THIEF ALARM :

Magic Alarm

LDR kit with speaker . When the shade will come at the LDR, speaker starts generating sound when the light will come at LDR speaker stops making sound. Speaker supplied with kit (9v power supply not included ).Best kit for beginners and electronic students.

Price: $ 4.00 each

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Kit#: QK32
TELEPHONE CALL BELL :

Telephone  Call Bell

It's a call bell using IC 2410. Having sound of Telephone. Operated at 220 V AC. And can be used in homes and offices easily . (Speaker supplied with kit).

Price: $ 3.00 each

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Kit#: QK33
SIREN :

Siren

A surprisingly loud siren for such a simple circuit. Uses voltage controlled oscillator. 1/2 Watt, 8 ohm speaker supplied. 9V operation. Ideal to attach to an alarm system which needs an sound module.

Price: $ 5.00 each

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Kit#: QK35
MULTI MELODIES 12 CHIMES :

Multi Melodies 12 Chimes

This is the musical 12 melodies kit. You can hear all melodies at once or a single melody by pressing the switch single time. 9 V DC power supply needed for kit. 8 ohms 1 W speaker is supplied with kit. (power supply not included in kit.

Price: $ 5.00 each

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Kit#: QK44
CALL BELL 12 DREAM MELODIES :

This is a Door bell having 12 differnt melodies. 3 volt DC power supply ( by 2 AA size cells) and a 220 V touch needed by bell switch.


Kit#: QK65
BIRD BELL :

Bird Bell

Call bell sounds like a sparrow. It is a multivirator and 2 sounds selectable with switch. 1 Watt 8ohms speaker supplied with kit. Operated at direct 220V AC. Best kit for beginners.

Price: $ 2.00 each

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Kit#: QK93
LION ANIMAL SOUND CHIP ON BOARD (COB) PROJECT :

LION sound. Just 1 switch, 1speaker and 3 components to add. Ideal for schools since the project is very safe - uses 2 x 1.5V batteries.

Price: $ 2.50 each

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Kit#: QK94
BEAR ANIMAL SOUND CHIP ON BOARD (COB) PROJECT :

BEAR sound. Just 1 switch, 1speaker and 3 components to add. Ideal for schools since the project is very safe - uses 2 x 1.5V batteries.

Price: $ 2.50 each

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Kit#: QK95
HORSE ANIMAL SOUND CHIP ON BOARD (COB) PROJECT :

HORSE sound. Just 3 switches, 1speaker and 2 components to add. Ideal for schools since the project is very safe - uses 2 x 1.5V batteries.


Kit#: QK96
ELEPHANT ANIMAL SOUND CHIP ON BOARD (COB) PROJECT :

ELEPHANT sound. Just 1 switch, 1speaker and 3 components to add. Ideal for schools since the project is very safe - uses 2 x 1.5V batteries.

Price: $ 2.50 each

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Kit#: QK97
CAT ANIMAL SOUND CHIP ON BOARD (COB) PROJECT :

CAT sound. Just 1 switch, 1speaker and 3 components to add. Ideal for schools since the project is very safe - uses 2 x 1.5V batteries.

Price: $ 2.50 each

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Kit#: QK98
DOG ANIMAL SOUND CHIP ON BOARD (COB) PROJECT :

DOG sound. Just 1 switch, 1speaker and 2 components to add. Ideal for schools since the project is very safe - uses 2 x 1.5V batteries.

Price: $ 2.50 each

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Kit#: QK99
MONKEY ANIMAL SOUND CHIP ON BOARD (COB) PROJECT :

MONKEY sound. Just 1 switch, 1speaker and 3 components to add. Ideal for schools since the project is very safe - uses 2 x 1.5V batteries.

Price: $ 2.50 each

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Kit#: QK100
DINOSAURS ANIMAL SOUND CHIP ON BOARD (COB) PROJECT :

DINOSAURS sound. Just 1 switch, 1speaker and 3 components to add. Ideal for schools since the project is very safe uses 2 x 1.5V batteries.

Price: $ 2.50 each

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Kit#: QK101
NEW 4 SIREN - CHIP ON BOARD (COB) PROJECT :

4 Sirens The classic noises little children love! Three sirens- ambulance, police and fire engines and one other . All with 2 flashing LEDs.


Kit#: QK102
I LOVE YOU (GIRL VOICE) - CHIP ON BOARD (COB) PROJECT :

By pressing switch the girl voice saying I LOVE YOU with LED flashing.

Price: $ 1.50 each

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Kit#: QK103
CHINA SOUND 6 IN 1 - CHIP ON BOARD (COB) PROJECT :

6 China toy sounds in a single COB. 6 switches, 1 LED , 1 capacitor and 1 speaker to add. Individual switch for each sound. uses 2 x 1.5V batteries.

Price: $ 1.50 each

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Kit#: QK104
AZAAN (COMPLETE) - CHIP ON BOARD (COB) PROJECT :

Complete AZAAN Unit- IC COB, add only few components and it will ready to play. This is not the FAJAR AZAAN. uses 2 x 1.5V batteries.


Kit#: QK105
CHAIYAAN SONG - CHIP ON BOARD (COB) PROJECT :

CHAIYAAN CHAYYAN song cob project. Not the full song, just only th epiece of song, add only few components and it will ready to play. Uses 2 x 1.5V batteries.

Price: $ 1.50 each

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Kit#: QK106
NIMORA NIMORA SONG - CHIP ON BOARD (COB) PROJECT :

NIMORA NIMORA song cob project. Not the full song, just only th epiece of song, add only few components and it will ready to play. Uses 2 x 1.5V batteries.

Price: $ 1.50 each

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Kit#: QK107
BHAMBHURO SONG - CHIP ON BOARD (COB) PROJECT :

BHAMBURO song cob project. Not the full song, just only the epiece of song, add only few components and it will ready to play. Uses 2 x 1.5V batteries.

Price: $ 1.50 each

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Kit#: QK108
3 IN 1 AEROPLANE BOMB MACHINE GUN SOUND - CHIP ON BOARD PROJECT :

Bomb - Machinegun and Aeroplane sound in 1 COB. 3 switches, 1 resistor, 1 LED and 1 speaker to add. The classic noises little children love.


Kit#: QK109
NEW 16 SOUNDS (SINGLE TRIGGER TYPE)- CHIP ON BOARD (COB) PROJECT :

Sixteen chime tunes. Tunes cycle through the sixteen tunes with each keypress.Only 2 switches, 1 capacitor an 1 speaker required. Designed for high quality melody products.


Kit#: QK110
NEW 8 SOUNDS ( 8 TRIGGERS) - CHIP ON BOARD (COB) PROJECT :

8 China toy sounds in a single COB. 8 switches, 1 transistor, 1 resistor and 1 speaker to add. Individual switch for each sound. uses 2 x 1.5V batteries.


Kit#: QK111
POLICE SIREN - CHIP ON BOARD (COB) PROJECT :

American police siren. just add few components and start the Police Siren COB.

Price: $ 1.50 each

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Kit#: QK112
3 IN 1 DING DONG - CHIP ON BOARD (COB) PROJECT :

3 in 1 Ding/Dong Door Chime. The classic 3 types door chime ding dong. Adjust only 1 resistor 3 switches and 1 speaker to get exactly the tones you want. 3V low stand-by current.

Price: $ 1.50 each

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Kit#: QK113
LAMBATA MELODY - CHIP ON BOARD (COB) PROJECT :

Lambata melody. The lovely melody in cob. Just add few components, the classic melody is ready to start.

Price: $ 1.50 each

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Kit#: QK114
SUPER JHANKAR MELODY (MOTOR CYCLE MELODY) -CHIP ON BOARD PROJECT :

Super jhankaar melody (Motor cycle melody) very popular in pakistan used at breaks in motor cycle.

Price: $ 1.00 each

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Kit#: QK115
6 MELODIES - CHIP ON BOARD (COB) PROJECT :

6 lovely melodies in 1 COB . Only few components to add and enjoy it.








 
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