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Light Dimmer Circuits, Page 3
Light Dimmer Circuits:  # - C     D - K     L - R     S - Z

Last Updated on:
Wednesday, June 02, 2021 04:17 AM


Links to electronic circuits, electronic schematics and designs for engineers, hobbyists, students & inventors:
Lamp Dimmer (Stepan Novotill) -  This must generate an awfull lot of RFI without a choke! The house wiring supplies the di/dt limiting.  This is a CHEAP….. [Reverse engineered schematic by Stepan Novotill]
Lantern Flasher/Dimmer (techlib) -  The electronic lantern control circuit (fig. 1) adds high-efficiency dimming and flashing to an existing battery-powered lantern or flashlight or to a custom design. For the car it makes a great lamp for changing a flat tire, back seat reading or emergency engine work.....(circuit / schematic design added 6/06)
Lantern Flasher/Dimmer (tomzi.geo) -  Basically a high-efficiency dimmer, but can also be used as a flasher. In dimmer mode, the LM358 (dual op-amp) is wired to send pulses at a constant frequency. By adjusting the width of these pulses, brightness of the bulb is controlled. In flasher mode, the same potentiometer.....(added 10/05)

LED Dimmer Circuit -  Find out how to put together a simple but efficient PWM dimmer circuit for LEDs…. [REUK - Renewable Energy UK website]
LED dimmer uses only two lines -  21-Mar-02 Issue of EDN  The circuit in Figure 1provides 32 steps of brightness control-from 0 to 100%-for a backlight or instrument panel, using just two general-purpose-microprocessor signals. In addition, the circuit requires little board space, because it uses only three SOT-23s and one µMax package..... [Design Idea by Jerry Wasinger, WallyWare Inc, Norcross, GA]
LED or Incadescent 12 Volt Lamp Fader -  .... 
Light Controller High Side -  Diagrams are for12V operation and there are high side (common ground) and low side (common +12V) versions…. [Designed by G. Forrest Cook]
Light Controller Low Side -  Diagrams are for12V operation and there are high side (common ground) and low side (common +12V) versions…. [Designed by G. Forrest Cook]
Light Dimmer Circuit with 0 to 10 Volt Input -  This is a simple dimmer circuit that can be controlled with0 -10 VDC. It is designed for 110-Volt AC. (added 4/02)
Linear Constant Current LED Lamp Dimmer -  This circuits drives24 white light LEDs with an adjustable constant current. (added 6/06)
Low side PWM Motor/Light Controller -  These two schematics are variations on another PWM circuit that I designed. The diagrams are for 12V operation only and there are high side (common ground) and low side (common +12V) versions. The low side version of the circuit uses an N Channel FET, the high side version of the circuit uses a P Channel FET. N Channel devices tend to handle more current than P Channel devices, they are also less expensive. The high side version of the circuit is useful when one side of the load has to be grounded..... [Circuit Designed by G. Forrest Cook]
Low Voltage Light Dimmer -  A light dimmer is a means of controlling the "brightness" level of a lamp, in this application we will use a555 Timer to control the brightness level of a low voltage incandescent bulb of up to 60-Watts. For the light dimmer to work the555 Timer is configured as a "variable cycle", astable oscillator running some where around300 Hz......
Neon Dimmer -  idea how to dim neon lights (added 4/02)
Neon Lamp dimmer -  Schematic only, no circuit description
 
PICDIM Lamp Dimmer for the PIC12C508 -  Microchip Application Note Published 12-Nov-97  (app note added 2/06)
PWM Motor Speed Controller/DC Light Dimmer -  DC Light Dimmer using a LM324 IC…. [G. Forrest Cook]
PWM Motor/Light Controller -  The diagrams are for 12V operation only and there are high side (common ground) and low side (common +12V) versions. The low side version of the circuit uses an N Channel FET, the high side version of the circuit uses a P Channel FET. N Channel devices tend to handle more current than P Channel devices, they are also less expensive. The high side version of the circuit is useful when one side of the load has to be grounded..... [G. Forrest Cook]
 
Light Dimmer Circuits:  # - C     D - K     L - R     S - Z

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