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Posts tagged led circuit

Automotive 0v to 12v InPowered Indicator

Automotive 0v to 12v Electrical Voltage Indicator using 74HC04, 74HCT04

Led circuit – Power Supply

Led circuit – Power Supply Led circuit for the Power Supply using BD139 Power Supply circuit – 16VAC x 2 (ct) to 39v using ZD30v Led circuit for the Power Supply The size of the LED and resistor to supply some tips on supply, and of course will provide many details about the LED driver […]

LED Circuit

LED Circuit Simple High Power LED Regulator Circuit using BD140 and BC549

Gasollin Engine Tachometer Detector

Gasollin Engine Tachometer Detector using LM2917

40 – 0 – 40 5A transformer Circuit diagram

40 – 0 – 40 5A transformer Circuit diagram The power supply should be capable of supplying the maximum current required with good stabilization. I used commercially available 40 – 0 – 40 5A transformer. The transformer have 6V, 9V, 12V and 22V windings also. The transformer cost me around Rs: 370. Power supply provides […]

200W audio amplifier circuit diagram using TR and ic TDA2030

200W audio amplifier circuit diagram using TR and ic TDA2030

15W Audio Amplifier Circuit

15W Audio Amplifier Circuit using TDA1553Q

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