Simple Led Circuit Board. Only one of these is needed so select according to your preference step 2 draw the circuit schematic on either graph paper or a simulation programs such as multisim or eagle cad. You connect the longer lead of the led to the resistor and the shorter lead of the led to the negative side black wire of your battery pack.
It s likely though you ve already read the wikipedia page about series and parallel circuits here maybe a few other google search results on the subject and are still unclear or wanting more specific information as it pertains to leds. Connect the cathode of the led to the negative terminal of the battery black battery clip lead. The circuit is built on a breadboard and uses a 9 v battery r.
However you can not connect them directly with the power source connecting them directly will immediately destroy them so it is always suggested to use a proper current limiting resistor with led s but using a.
Connect the other lead of the resistor to the anode of the led. This video demonstration shows how to design and build a simple circuit to illuminate an led. The resistor is placed in the circuit so electricity does not flow fast enough to burst the led. Connect the other lead of the resistor to the anode of the led.
