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Fun with LEDs – Circuit Schematic
Fun with LEDs
I have recently stumbled upon some LED strip at my local electronics shop and decided to give them a try. I bought some which I used to replace the spot lights ...
mains operated led night lamp – Circuit Schematic
mains operated led night lamp
Here is a simple and powerful LED based night lamp circuit that can be operated directly from the 230V mains supply. The are total 24 white LEDs used and the la...
up down led sequencer – Circuit Schematic
up down led sequencer
I have a 10 light LED bargraph, I want to make the LED`s light one after the other until all the LED`s are lit, and then have the circuit cycle back down until ...
quick question about dimmers – Circuit Schematic
quick question about dimmers
I want to know if I can connect 2 dimmers in series to control more preciselly the light of a bulb. I want to get a medium/high precission of light emission, fo...
led array schematic – Circuit Schematic
led array schematic
Im pursuing a homemade photography LED array. Ideally, the LED array will be 6 series 5 parallel. (24 volts @ 1000mA per row). Each LED row is a different wavel...
remote shift light – Circuit Schematic
remote shift light
If you replace the resistor/transistor with an n-ch power mosfet, and replace the relay/prot diode with a light bulb, you`ll have a simpler circuit that replica...
schematic 5 led chaser circuit using 555 chip – Circuit Schematic
schematic 5 led chaser circuit using 555 chip
Some simple 555 and flip flop circuits to add electronic lighting effects to "modernize" the games. I`m collecting quite a few for different aspects of the game...
led flasher circuit schematic inside – Circuit Schematic
led flasher circuit schematic inside
Build a circuit that will flash 5 pairs of LEDs at variable rates. To do this I designed a circuit using 5 NE555 timers. To control the variable flash rate I wa...
emergency lamp circuit problem – Circuit Schematic
emergency lamp circuit problem
I think the zener diode is not producing enough current on its breakdown state to turn on the transistor. I tried removing the resistor R2 but still won`t work....
led lights using analog flip flop circuit diagram – Circuit Schematic
led lights using analog flip flop circuit diagram
This will drive a total of 42 LEDs. It is based on the assumption that the forward voltage of your LEDs is ~2. 2V, and that they will be bright enough with a fo...
fade fade out led circuit car interior lighting – Circuit Schematic
fade fade out led circuit car interior lighting
LED`s lining the headliner, and have them fade in when the door is opened, fade out when the door is closed. I think it should be simple. from what i gather i`m...
mk120 light barrier 12v dc power supply – Circuit Schematic
mk120 light barrier 12v dc power supply
The currents listed are maximum values, the actual current used will vary on what the circuits are doing. That precludes just placing a resistor in series to dr...
studio ring flash xenon tubes – Circuit Schematic
studio ring flash xenon tubes
MOC3020M Integrated Circuit. I would love a LED to tell me when each cap is charged but I have no idea how to do that or where to put in the circuit, I have a b...
Emergency LED Light LED-716 Emergency Light Schematic – Circuit Schematic
Emergency LED Light LED-716 Emergency Light Schematic
Here you can see that what i did in this circuit. because the resistor on the back side ( which i have soldered) was blown out. so the root of problem was that ...
230 V 50Hz AC (or 110V 60Hz) Main Operated LED Powerful NIGHT LAMPCircuit – Circuit Schematic
230 V 50Hz AC (or 110V 60Hz) Main Operated LED Powerful NIGHT LAMPCircuit
If you have plane to use this Circuit on 110V 60Hz instead of 230V, 50Hz, or want to modify this circuit, Then See the Section " Common Question about this Circ...
Stair case wiring circuit diagram OR How to control a lamp from two different places by two 2-way switches – Circuit Schematic
Stair case wiring circuit diagram OR How to control a lamp from two different places by two 2-way switches
You can see that circuit is complete and bulb is ON. Suppose you want to OFF bulb from the upper switch at top of stair, simply Switch OFF the switch then circu...
Preheat Ballast Schematic – Circuit Schematic
Preheat Ballast Schematic
It incorporates a Starter for each lamp, which heats up the fillaments [Cathodes] at each end of the lamp prior to starting. Once the lamp has started, it no lo...
The simple LED Flasher by IC 4011 – Circuit Schematic
The simple LED Flasher by IC 4011
This is simple a led flasher circuit that I would link to suggest you make it.But before you can use transistors,which difficulty when we learn about digital.....
Super AC dimmer using IC-555& triac – Circuit Schematic
Super AC dimmer using IC-555& triac
The super dimmer it is certainly better than the normal dimmer you are using now. It would be better, however, to try to prove it. Let`s see how it works.....
Spot lamp dimmer by LM555 and TIP2955 – Circuit Schematic
Spot lamp dimmer by LM555 and TIP2955
This circuit is DC Dimmer Circuit. By use IC LM555 be model Astable Multi vibrator. It is can change translate Duty Cycle with fining VR1 and VR2 be.....