Hello, I have some problem here. I am using relay srd-12vdc-sl-c. how to connect that type of relay with 40W bulb? i really need your help. thankyou

 

Hello, I have some problem here. I am using relay srd-12vdc-sl-c. how to connect that type of relay with 40W bulb? i really need your help. thankyou

Is your relay something like this http://www.uctronics.com/12-vdc-songle-power-relay-srd-12vdc-sl-type-p-150.html

 

yes! then how to connect it to bulb and arduino?

 

yes! then how to connect it to bulb and arduino?

That is new question somewhat far from that you asked first. Ok first thing first. Have you worked with transistors before? You will need a transistor used as a switch in this setting. And also just to be sure, you have access to a 12 volt power supply for the relay

 

tutorials and schematics ALL OVER the internet..
http://www.glacialwanderer.com/hobbyrobotics/?p=9