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Stabilizing DC Motor’s Speed using ZTX450 NPN Silicon Planar in Bridge Circuit
The following article will describe you with how to stabilize DC motor’s speed using ZTX450 NPN silicon planar transistors in bridge circuit. The circuit description is to improve the load/speed regulation of a DC motor by cancelling out the effect of the motor rotor resistance using a bridge circuit. The circuit diagram above illustrates the DC motor speed control circuit with the bridge circuit within. You will find detail explanation a… 0, 1.44, 0, 1, wiring: 1
DIY Driving Luxeon High Current LEDs
If you want to design yourself a circuit for driving a very bright high current LEDs, say Luxeon LEDs you may consider to read the following information. It will describe you with the using of PWM controller such as LM5020 from the National Semiconductor with fast turn ON and turn OFF times so that the LED light output can be synchronized to a system timing control function. The figure illustrates the circuit for driving the Luxeon LEDs and the… 0, 1.44, 0, 1, wiring: 1
Door Knob Touch Alarm by Dave Johnson
If you want to construct yourself a Door Knob Touch Alarm , you may see this circuit diagram drawn by Dave Johnson (click to enlarge the circuit) Note: this Door Knob Touch Alarm application will not work on metal doors (source: discovercircuits.com) … 0, 1.44, 0, 1, wiring: 1
DIY Connecting Power and Speaker Harness
The following picture shows power and speaker harness connections. Always make it sure to observe the correct polarity on the speaker connections if you want to make a harness connection by yourself. Receiver side are described as followed: 1. Red : +12V DC 2. Green/Black : Rear Speaker (-) 3. Green/Black : Rear Speaker (+) 4. Yellow : Memory +12V 5. White/Black : Front Left Speaker (-) 6. White : Front Left Speaker (+) 7. Blu… 0, 1.44, 0, 1, wiring: 1
How to Mod Les Paul Guitar for an Old Vintage Sound
Want to modify your legendary Les Paul Guitar for having a vintage tone of a 59 ‘Burst’? The herein article will guide you with How to Mod the Les Paul Guitar by do-it-yourself. It such a special flavour of tone that will give you a different sound in experiment. But according to the article, not all Les Paul guitar can be modify to have this special tone. You should have your Les Paul massive mahagony body with a curved – massive maple t… 0, 1.44, 0, 1, wiring: 1
