ive gone with a row of 8,ive built 317 drivers for each of then at 4.27 volts each
i thought i had written an intro!,the knife edge assy is the one that was in the projector,im fully aware of the lm317 current limit of 1.5amp,i may use lm338 regs as i have some handy,i got it working tonight with 8 diodes but cant sus out how to focus the beam!,anyway im 52 live in the uk,electronics and amature radio are my hobbies ,73 m3vuv
You mean this:??i thought i had written an intro!,the knife edge assy is the one that was in the projector,im fully aware of the lm317 current limit of 1.5amp,i may use lm338 regs as i have some handy,i got it working tonight with 8 diodes but cant sus out how to focus the beam!,anyway im 52 live in the uk,electronics and amature radio are my hobbies ,73 m3vuv