Optoelectronic circuits

Posted on Feb 5, 2014

Amateur laser construction basic information on the construction of various types of lasers from scratch including: home-built laser safety, setting up a home laser lab, sources of supplies and chemicals, vacuum systems, glass working, structural materials, power supplies, and more An Electronic Ballast (Inverter) to Power HID Lamps from 12 Volts

Optoelectronic circuits
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DC a circuit that can be used to power a variety of small (50 w or less) HID lamps, as well as (with modifications) fluorescent lamps up to about 40w, or HeNe lasers, flashes/strobes, and neon tubes, etc. , from a 12 V car or marine battery or medium-size gel cell Laser Transmitter/Receiver A LASER beam is modulated and then aimed at a receiver that demodulates the signal and then presents the information: voice, data Lantern Flasher/Dimmer adds high-efficiency dimming and flashing to an existing battery-powered lantern or flashlight or to a custom design, LM358 opamp circuit Lightning Activated Camera Shutter Trigger This circuit is used to trigger a camera`s electronic shutter circuit when a flash of lightning is present. This circuit would also work for photographing fireworks displays or other events involving flashes of light, schematics Light-sensitive alarm project the circuit detects a sudden shadow falling on the light-sensor and sounds the bleeper when this happens. The circuit will not respond to gradual changes in brightness to avoid false alarms LM3915 Dot/Bar Display Driver datasheet The LM3915`s 3 dB/step display is suited for signals with wide dynamic range, such as audio level, power, light intensity or vibration, pdf file

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