Hi guys,
First off im so so glad there is a forum like this on the internet, i was having real trouble finding anywhere that might be able to help me and i have spent many hours waiting for replies on forums that never came. So, let me introduce my project (and problems).
I am going to be making an irrigation system for my a-level project, there is more to it but this is what i am looking at at the moment. My problem is, i have got a circuit that i can use to do what i want but it will take a little modification which i have recently found out is going to be very hard. What it needs to do is turn on at a set time everyday and then turn off after a set time everyday. That’s all it has to do. It would be nice to make it more advance with a count down screen or something like that but its not a must. Now i can either mod this circuit i have just brought or buy a new one that is better suited. Here are the problems with my current circuit:
I have a circuit (see picture below) which has two rows of 10 metal contacts. On top of those contacts sits 2 removable, flexible (presumably conductive) rubber-like bars. On top of that sits a little screen. Here is my problem, it cannot be like this, what i need is a screen that can be wired in because the screen is going to be some distance away from the actual circuit. There are contacts on the circuit that i could solder wires to, but none on screen. My question is, is it possible to get a replacement screen that i can solder in (solder wires on the screen to the solder points on the circuit).
**broken link removed**
(The points at the top are what i am referring to)
**broken link removed**
(Screen pictures with the two bars that sit under it [top and bottom] which takes the charge through to the screen)
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**broken link removed**
Using this picture again, in the lower half of the circuit you can see 8 small squares. These are where two contacts meet but not join, they are about 1mm away from each other, they are almost like fingers going into each other but not touching. When you push the switch a contact comes down and covers both sides of the contacts thus completing the circuit. These are so small, is it possible to solder a wire to both sides and attach that to a non locking switch, or is it just too small to be able to do that without messing it up and putting a piece of solder onto both contacts accidentally
There is another problem, but compared to these it is a minor one so i wont worry about that just yet. Any help you can give would be hugely appreciated! Also, if you know of a cheap circuit that can do what i am after can you also redirect me to that, although if i can help it i would rather use what i have already brought because it was quite expensive and i dont want to waste it.
Thanks and regards,
James
First off im so so glad there is a forum like this on the internet, i was having real trouble finding anywhere that might be able to help me and i have spent many hours waiting for replies on forums that never came. So, let me introduce my project (and problems).
I am going to be making an irrigation system for my a-level project, there is more to it but this is what i am looking at at the moment. My problem is, i have got a circuit that i can use to do what i want but it will take a little modification which i have recently found out is going to be very hard. What it needs to do is turn on at a set time everyday and then turn off after a set time everyday. That’s all it has to do. It would be nice to make it more advance with a count down screen or something like that but its not a must. Now i can either mod this circuit i have just brought or buy a new one that is better suited. Here are the problems with my current circuit:
I have a circuit (see picture below) which has two rows of 10 metal contacts. On top of those contacts sits 2 removable, flexible (presumably conductive) rubber-like bars. On top of that sits a little screen. Here is my problem, it cannot be like this, what i need is a screen that can be wired in because the screen is going to be some distance away from the actual circuit. There are contacts on the circuit that i could solder wires to, but none on screen. My question is, is it possible to get a replacement screen that i can solder in (solder wires on the screen to the solder points on the circuit).
**broken link removed**
(The points at the top are what i am referring to)
**broken link removed**
(Screen pictures with the two bars that sit under it [top and bottom] which takes the charge through to the screen)
-------------------------
**broken link removed**
Using this picture again, in the lower half of the circuit you can see 8 small squares. These are where two contacts meet but not join, they are about 1mm away from each other, they are almost like fingers going into each other but not touching. When you push the switch a contact comes down and covers both sides of the contacts thus completing the circuit. These are so small, is it possible to solder a wire to both sides and attach that to a non locking switch, or is it just too small to be able to do that without messing it up and putting a piece of solder onto both contacts accidentally
There is another problem, but compared to these it is a minor one so i wont worry about that just yet. Any help you can give would be hugely appreciated! Also, if you know of a cheap circuit that can do what i am after can you also redirect me to that, although if i can help it i would rather use what i have already brought because it was quite expensive and i dont want to waste it.
Thanks and regards,
James