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Dc: Regulator

Variable DC Power Supply (1-30 Volts, 5 Amps). LM338K Regulator
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A very simple variable power supply with a DC output voltage adjustable from 1-3- Volts, with a maximum DC current of 5 Amps. Uses LM338 DC voltage regulator IC.
7805 Datasheet - 5V DC Voltage Regulator Data Sheet / Specs
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Data sheet for the 7805 (LM7805), a compact IC 5v DC voltage regulator integrated circuit. This page further describes the 7805 and provides Datasheets for the IC device.
LM317 1-25 Volts Variable DC 1.5 Amp Power Supply
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An extremely simple and cheap DC power supply with variable voltage (1.2-25 Volts) control. The circuit uses an LM317 integrated voltage regulator Ic.
2N3055 Variable DC Voltage Power Supply
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Variable-voltage DC power supply circuit. The output DC voltage is adjustable from 0.7-24V, with current limiting range from 50mA up to 2 Amps. Main transistor is the 2N3055.
Photo: Bench DC Power Supply Kit Bench DC Power Supply Kit
Build this educational Deluxe Bench DC Power Supply Kit
Photo: Bench AC/DC Power Supply Kit Bench AC/DC Power Supply Kit
Build this educational Deluxe Bench DC Power Supply Kit
Photo: 3 Amp Variable DC Power Supply 3 Amp Variable DC Power Supply
Provides 3 amps current at 3-30 Volts DC. Reduces ripple voltage to almost non-existant.
Photo: DC Motor Controller Kit DC Motor Controller Kit
Vary the speed of your DC motor with this inexpensive circuit. Gear boxes can be costly and series resistors may cause stalling. This circuit delivers the voltage to the motor with pulses and the speed is controlled via pulse width modulation (PWM). The s
Photo: Hobby Power Supply Kit using LM7805 Hobby Power Supply Kit using LM7805
This is a practical battery eliminator for your projects. This is a basic power supply using two 7805 regulators; input up to 20 VAC from a transformer. There are two outputs; one regulated at 5 VDC, and the other one is variable. Includes plastic case. T
Photo: Variable Power Supply with Transformer Variable Power Supply with Transformer
A very basic power supply that can be adjusted over a range of about 1.5 to 35 volts DC. If you add a heat sink (included), you can run it as hot as 2 Amps output; otherwise about 60 mA @ 12 volts. This is a text book circuit using an LM317, which is a 3
Photo: Positive Adjustable Power Supply Positive Adjustable Power Supply
Compact positive (K124) and negative (K125) adjustable power supply +/-
Photo: Servo Motor Driver Servo Motor Driver
Using a PIC 16C71, a crystal, 8 resistors & 4 capacitors this kit will independently control up to 4 servo motors. We do not supply the potentiometers or servo motors. (We used a Futaba FP-S148 for out tests.) 5V DC power supply required. Full instruction
Photo: LM317 Variable Power Supply LM317 Variable Power Supply
A very basic power supply that can be adjusted over a range of about 1.5 to 35 volts DC. If you add a heat sink (included), you can run it as hot as 2 Amps output; otherwise about 60 mA @ 12 volts. This is a text book circuit using an LM317, which is a 3