simple timer circuit

[basb1]

Hi can anyone please email me a simple schematic / parts list for a timer circuit
I need to turn a pump on and run it for 10 seconds then off again. (the switch will be a LDR and the pump is 12v dc) thanks in advance.

 

[ljcox]

If you search this forum for "timer" you will find many. But you will have to do some minor adaption for your purpose.

 

[John walker]

One of the bet chips for this is a 555 Timer has it uses few external parts
and there is plenty of data about to set the timing.

try a seach on google for data sheets as they include the monstable and multivib circuit component values.

 

[Russlk]

What is the LDR resistance and how much current does the pump draw?