Hi,
I am -very- new to electronics, and I have what I think would be a fairly simple question about powering some kits I intend to build.
Each kit requires 7-12V DC @ 250mA and there are 3 that need powering. I want to connect them all to one power supply so I don't have to have 3 separate wall warts all plugged in taking up space etc...
Am I correct in thinking that I can use a power supply that puts out no less than 7-12V DC @ 750 mA ?? Ie adding the mA's up ? Does the voltage need to be increased also ? How to I calculate what sized power supply I will need? Should I use a switched mode p/s ??
Also, I'll need the kits to be 5 meters away from the power supply. Will I loose power by using a cable thats 5 meters long ? If so, how can I fix this problem?
Thanks in advance for your help and I'm sorry if this seems like a dumb question.
Cheers!
Toby
I am -very- new to electronics, and I have what I think would be a fairly simple question about powering some kits I intend to build.
Each kit requires 7-12V DC @ 250mA and there are 3 that need powering. I want to connect them all to one power supply so I don't have to have 3 separate wall warts all plugged in taking up space etc...
Am I correct in thinking that I can use a power supply that puts out no less than 7-12V DC @ 750 mA ?? Ie adding the mA's up ? Does the voltage need to be increased also ? How to I calculate what sized power supply I will need? Should I use a switched mode p/s ??
Also, I'll need the kits to be 5 meters away from the power supply. Will I loose power by using a cable thats 5 meters long ? If so, how can I fix this problem?
Thanks in advance for your help and I'm sorry if this seems like a dumb question.
Cheers!
Toby