easy.rahil
Member
Hello All friends, experts,
I want to make a small and simple yet useful LED driver for power LED of 5Watt(1400mA) and 3Watt(700mA) output. and i want to use double or triple D batteries (input 3 to 4.5VDC).
If anybody can help.
I got Power LED with 25 degree View angle from Taiwan and Aspheric Lens from China to use in front of the LED.
tested 1W LED already and it gives very attractive light output with lens. more thn any other available light in market or . as they all using wide angle LEDs in their Torch and most of the light output is remains unused. see Pic. attached.( I also tested normal LEDs with wide angle) output was not good compare to narrow angle LED.
Please help making simple circuit using simple parts and if possible one feature with high/Low.
Start with without any feature but simplest.
Thanks in advance.
Wide angle led:
![wide--angle-led.jpg wide--angle-led.jpg](https://www.electro-tech-online.com/data/attachments/47/47250-a135219650bd47be0150ae66f6415f79.jpg)
Narrow angle led:
![nerrrow-led.jpg nerrrow-led.jpg](https://www.electro-tech-online.com/data/attachments/47/47251-bbbf133cde8fbe741d5250e4e7e33b75.jpg)
I want to make a small and simple yet useful LED driver for power LED of 5Watt(1400mA) and 3Watt(700mA) output. and i want to use double or triple D batteries (input 3 to 4.5VDC).
If anybody can help.
I got Power LED with 25 degree View angle from Taiwan and Aspheric Lens from China to use in front of the LED.
tested 1W LED already and it gives very attractive light output with lens. more thn any other available light in market or . as they all using wide angle LEDs in their Torch and most of the light output is remains unused. see Pic. attached.( I also tested normal LEDs with wide angle) output was not good compare to narrow angle LED.
Please help making simple circuit using simple parts and if possible one feature with high/Low.
Start with without any feature but simplest.
Thanks in advance.
Wide angle led:
![wide--angle-led.jpg wide--angle-led.jpg](https://www.electro-tech-online.com/data/attachments/47/47250-a135219650bd47be0150ae66f6415f79.jpg)
Narrow angle led:
![nerrrow-led.jpg nerrrow-led.jpg](https://www.electro-tech-online.com/data/attachments/47/47251-bbbf133cde8fbe741d5250e4e7e33b75.jpg)