Hey everybody,
I am working on a project for work.
It is a test box that connects to a device that monitors temperature.
I have a diagram of it below.
It is a simple device that uses 2 "D" batteries and some incandescent lamps.
The thing about this box is that when the switches open and close (most times 2 lamps are on, but in a worse case 3 switches...Never all 4 switches), the lamps brighten and dim and it also eats batteries.
I want to make something using LEDs which will not change intensity as the switches change state.
I have been reading Bill Marsden's Index Page (thanks Bill for the post!), specifically Chapter 2: Current Limiting.
Figure 2.2 looks like something that might work for my application, but I am not sure if it can handle an open circuit like that.
Any thoughts?
Thanks in advance,
Alan
I am working on a project for work.
It is a test box that connects to a device that monitors temperature.
I have a diagram of it below.
It is a simple device that uses 2 "D" batteries and some incandescent lamps.
The thing about this box is that when the switches open and close (most times 2 lamps are on, but in a worse case 3 switches...Never all 4 switches), the lamps brighten and dim and it also eats batteries.
I want to make something using LEDs which will not change intensity as the switches change state.
I have been reading Bill Marsden's Index Page (thanks Bill for the post!), specifically Chapter 2: Current Limiting.
Figure 2.2 looks like something that might work for my application, but I am not sure if it can handle an open circuit like that.
Any thoughts?
Thanks in advance,
Alan
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