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Recent content by thosmatthews
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9V LED Circuit: Only One LED Lights Up
Thanks for your reply. So it seems the first one is taking all the power and the second is on very dimly. I tried 2x 9V batteries but it didn’t change this. Basically I’m trying to build a circuit for bicycle lights with a switch. These are the LEDs -...- thosmatthews
- Post #3
- Forum: LEDs and Optoelectronics
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9V LED Circuit: Only One LED Lights Up
Hi there, I'm an amateur when it comes to this so: I'm making a circuit with 2 6V LEDs in series with a 9V battery. Both LEDs are tested and work, but only one comes on when I connect the 9V battery. Does this mean I need a 12V to power both of them? I tried adding a second 9V to make 18V...- thosmatthews
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- Replies: 3
- Forum: LEDs and Optoelectronics
