5$ Low Noise, Electronics Bench LED lighting Solution with Linear Power supply, Flicker Free

 This small Article shows my solution to Low noise electronics bench lighting problem, Many electronics Measurement needs to be done in no electrical noise environment. I have repurposed 5$ 30V 3A Linear power supply for this purpose with Custom made LED Strip using philips Luxeon LEDs

    

Primary Switching transistor is mounted directly on the Heat sink

Standard Heat Sink Fit exactly on PCB holes

LED Strip PCB