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I have 3 important problems to resolve:
probl 1: (!!!!!Very important!!!!!)
The area of the light is too small and the LM3914 circuit will create an On/OFF state for all leds, when interupting the beam. It will interupt suddenly.
Its not the circuit fault but exclusivly the light and LDR fault. Their dimentions are too narow and my finger is too wide for the circuit to sense it slowly. I need a way of enlarging the LDR surface that will allow penumbra to play its role on the lm3914 circuit and the leds to behave corectly. I have to evectively get into the beam light and interupt it right now, so it is no room for penumbra to leave the sensor to sense anything. Its too fast for the ldr to be able to cath other little diferences in shadow, other penumbras diferences. I need to enlarge the shadow area of the LDR. I dont know how to say it better than this. The shadow area right now is 0.5cm (or 5mm) (or 1/5 of 1 inch)
I wish I can enlarge the shadow area to about 5cm (or 2 inch) around LDR sensing area. When this area is so large, the ldr have the time and space to dim the leds 1 by 1 more elegant. Right now is too abrupt, too brutal, too fast, too narrow. You get me? If not, ask me, and ill add more details on this matter and drawings if needed.
probl 2: (not very important at the moment, is working as it is)
The new Laser diode, I inserted for the very large distance i can separate the triger elements. But, the Laser is too dim at 3V and im afraid to push it over 3V ( i can, i test it already and is brighter) but it will overheat and burn in a short period of functionality. Im not very sure how stable will be as it is at it's normal parameters.
My thought is to amplify the LDR signal to pin 5 trough a transistor because of this small laser signal. It is good light right now and working ok but not very bright and leaves other external lights to interfere. Of course ill have to make a new case for the ldr to defend it from external lights and concentrate only my beam on it.
probl 3: (important, but it can wait until the end)
All this trigger part, (laser diode + ldr module to pin 5) will have to be integrated with another pre-existing circuit. I'll have to change ldr module to that one, and adapt this one to do a double function: to action on pin 5 as it is now, and also to triger a relay from the other circuit. What a complication. I hope i can split the signal in 2, one for the pin4 and other for a transistor that will drive the relay. Ill have to test it and keep you in touch.
Here are the 2 circuits i must combine:
Light switch: https://www.deviantart.com/q12a/art/dBenzin100-ziuc-12a-Mains-Beam-Light-Switch-Latch-848347670
Vumeter with 3914 and LDR : https://www.deviantart.com/q12a/art/dBenzin100-ziud-20-Vumeter-with-3914-and-LDR-852598799
(this image is HiDef and you can read the smallest text in it, but you must open it properly, either download it, or in browser 1click to enlarge it and then rightclick on it and choose "view image")
I have 3 important problems to resolve:
probl 1: (!!!!!Very important!!!!!)
The area of the light is too small and the LM3914 circuit will create an On/OFF state for all leds, when interupting the beam. It will interupt suddenly.
Its not the circuit fault but exclusivly the light and LDR fault. Their dimentions are too narow and my finger is too wide for the circuit to sense it slowly. I need a way of enlarging the LDR surface that will allow penumbra to play its role on the lm3914 circuit and the leds to behave corectly. I have to evectively get into the beam light and interupt it right now, so it is no room for penumbra to leave the sensor to sense anything. Its too fast for the ldr to be able to cath other little diferences in shadow, other penumbras diferences. I need to enlarge the shadow area of the LDR. I dont know how to say it better than this. The shadow area right now is 0.5cm (or 5mm) (or 1/5 of 1 inch)
I wish I can enlarge the shadow area to about 5cm (or 2 inch) around LDR sensing area. When this area is so large, the ldr have the time and space to dim the leds 1 by 1 more elegant. Right now is too abrupt, too brutal, too fast, too narrow. You get me? If not, ask me, and ill add more details on this matter and drawings if needed.
probl 2: (not very important at the moment, is working as it is)
The new Laser diode, I inserted for the very large distance i can separate the triger elements. But, the Laser is too dim at 3V and im afraid to push it over 3V ( i can, i test it already and is brighter) but it will overheat and burn in a short period of functionality. Im not very sure how stable will be as it is at it's normal parameters.
My thought is to amplify the LDR signal to pin 5 trough a transistor because of this small laser signal. It is good light right now and working ok but not very bright and leaves other external lights to interfere. Of course ill have to make a new case for the ldr to defend it from external lights and concentrate only my beam on it.
probl 3: (important, but it can wait until the end)
All this trigger part, (laser diode + ldr module to pin 5) will have to be integrated with another pre-existing circuit. I'll have to change ldr module to that one, and adapt this one to do a double function: to action on pin 5 as it is now, and also to triger a relay from the other circuit. What a complication. I hope i can split the signal in 2, one for the pin4 and other for a transistor that will drive the relay. Ill have to test it and keep you in touch.
Here are the 2 circuits i must combine:
Light switch: https://www.deviantart.com/q12a/art/dBenzin100-ziuc-12a-Mains-Beam-Light-Switch-Latch-848347670
Vumeter with 3914 and LDR : https://www.deviantart.com/q12a/art/dBenzin100-ziud-20-Vumeter-with-3914-and-LDR-852598799
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