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Kit#: QK08
SIMPLE VARIABLE POWER SUPPLY :

Simple Variable Power Supply

This is the simple variable power supply DC 0 to 12V at 500mA. Best power supply for beginners.Transformer will be mounted on the circuit board. Transformer supplied with kit.

Price: $ 5.00 each

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Kit#: QK31
AUTOMATIC CHARGER FOR CAR BATTERY 12 VOLT :

Automatic battery charger kit for heavy batteries. You can charge upto 200 Ampere battries. We discontinued this kit. See our New Trickle Battery Charger Kit.


Kit#: QK36
PRECISION POWER SUPPLY 0-30V / 2 AMP :

Precision Power Supply

This is an adjustable voltage and ampere power supply using the IC LM723. You can select any voltage between 0V to 30V and ampere upto 2 Amps. using individual potentiometer for volt and Amp. Ideal power supply for LAB.

Price: $ 10.00 each

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Kit#: QK75
SIMPLE POWER SUPPLY KIT :

Simple Power Supply Kit

Full wave bridge rectifier circuit. Very basic power supply for the students of educational institutes and beginners. 500 mA tranformer can be mount at PCB. Power supply kit is available in 6V , 9V and also in 12 Volt versions.(transformer supplied with kit).

Price: $ 2.50 each

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Kit#: QK76
78XX POWER SUPPLY :

78xx Power Supply

Kit accepts an unregulated AC or DC input. The user supplies a standard 3 pin voltage regulator from 5 volts (using a 7805) to 24 volts (7824). The full range of possible regulators is: 7805, 7806, 7808, 1810, 7812, 7815, 7818 & 7824. heat-sink provided. Transformer can be mount at PCB. Transformer supplied with kit.

Price: $ 3.00 each

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Kit#: QK77
79XX POWER SUPPLY :

Kit accepts an unregulated AC or DC input. The user supplies a standard 3 pin voltage regulator from -5 volts (using a 7905) to -24 volts (7924). The full range of possible regulators is: 7905, 7906, 7908, 7910, 7912, 7915, 7918 & 7924. heat-sink provided. Transformer can be mount at PCB. Transformer supplied with kit.


Kit#: QK78
LINEAR POWER SUPPLY KIT OUTPUTS ( +5 , -5 , +12 , -12) :

Linear Power Supply Kit

A stand-alone, high quality power supply unit for the LAB's & serious experimenters.
Outputs:
+5V [1.5A] ; +12V [1A] ; -12V [0.5A] ; -5V [0.5A]. Specially designed for work on digital circuits.

Price: $ 12.00 each

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Kit#: QK133
AUTOMATIC TRICKLE BATTERY CHARGER KIT :

Automatic Trickle Battery Charger Kit

Using an op-amo LM324 and BT 151 we made this kit. 2 potentiometers are for adjustments for voltage and trickling. 12 volt lead acid batteries uto 100Amps can be charged, if one upgrade the SCR BT151 with more heavy the 200Amps battries can be charged easily. Transformer not supplied with kit. Transformer should be 12 0 12 center tapped 5 Amps.

Price: $ 10.00 each

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