Hippogriff
Member
Hi all,
You'll know - if you've seen any of my previous postings - that I'm messing around with PIC 12F683s, 3W RGB star LEDs and 12v RGB LED strips (just getting into it all, really, but enjoying it)... so far I have been using wall wart power supplies and I have recently completed my first project that has a jack soldered firmly onto a piece of stripboard - obviously that's all cool and suits my needs there.
However, I just started wondering about mounting one of my projects on a wall and I thought that would obviously be best served by a battery to avoid wires trailing. Yet, I don't want to go to the hassle of even trying this out if the end result is going to a project that lives for a couple of days... before the battery needs replacing.
If I'm powering a PIC and a 3W RGB star LED does anyone have any gut feel as to how long, say, one of those cuboid 9v batteries would last for? Is there a ballpark kind of duration, or is it really a "suck it and see" kind of question that I'm asking here? I know other devices use these batteries and live for years on the same battery, but I expect my LED is quite a bit more hungry.
You'll know - if you've seen any of my previous postings - that I'm messing around with PIC 12F683s, 3W RGB star LEDs and 12v RGB LED strips (just getting into it all, really, but enjoying it)... so far I have been using wall wart power supplies and I have recently completed my first project that has a jack soldered firmly onto a piece of stripboard - obviously that's all cool and suits my needs there.
However, I just started wondering about mounting one of my projects on a wall and I thought that would obviously be best served by a battery to avoid wires trailing. Yet, I don't want to go to the hassle of even trying this out if the end result is going to a project that lives for a couple of days... before the battery needs replacing.
If I'm powering a PIC and a 3W RGB star LED does anyone have any gut feel as to how long, say, one of those cuboid 9v batteries would last for? Is there a ballpark kind of duration, or is it really a "suck it and see" kind of question that I'm asking here? I know other devices use these batteries and live for years on the same battery, but I expect my LED is quite a bit more hungry.