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What is wrong with my led circuit?

Analog & Mixed-Signal Design 2 months ago at 01:00 AM

Last message by Jerry-Hat-Trick on November 23, 2022 at 06:57 AM

15 Replies
205 Views
General 12v Vehicle Lighting Circuit Help

General Electronics Chat 2 months ago at 12:20 AM

Last message by Tonyr1084 on November 21, 2022 at 12:23 AM

2 Replies
186 Views
Light Bulbs

Power Electronics One year ago at 12:46 PM

Last message by Ian0 on November 11, 2022 at 12:37 AM

28 Replies
1547 Views
5 Replies
170 Views
Do *all* LCD TVs have a Fresnel Foil? (even big or HDR TVs?)

General Electronics Chat 3 years ago at 03:53 PM

Last message by dl324 on November 1, 2022 at 08:46 AM

16 Replies
10774 Views
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Wiring 25 LEDs with a PWM Dimmer

Analog & Mixed-Signal Design 3 months ago at 05:20 PM

Last message by Harry_THP on November 1, 2022 at 07:04 AM

17 Replies
757 Views
S
LED downlight glows with power switched off

Power Electronics 3 months ago at 04:17 PM

Last message by spurf on October 19, 2022 at 09:14 PM

10 Replies
499 Views
What am I missing on my interpration to the following circuit?

Digital Design 3 months ago at 10:34 AM

Last message by atferrari on October 19, 2022 at 07:46 AM

21 Replies
618 Views
How do you know what resistor to use in a simple LED circuit ?

General Electronics Chat 3 months ago at 07:18 AM

Last message by Tonyr1084 on October 12, 2022 at 12:01 PM

11 Replies
203 Views
E
Considerations in using IC's at high voltage

Digital Design About 5 months ago at 09:06 PM

Last message by eetech00 on October 3, 2022 at 04:48 PM

6 Replies
373 Views
How to dim led circuit?

General Electronics Chat 4 months ago at 06:47 AM

Last message by Audioguru again on September 22, 2022 at 10:39 AM

7 Replies
246 Views
LED Bulbs / Dimmer Problem?

Power Electronics 4 months ago at 03:34 PM

Last message by dendad on September 14, 2022 at 02:11 PM

8 Replies
222 Views
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simplest VU meter

Analog & Mixed-Signal Design 4 months ago at 12:06 PM

Last message by bassbindevil on September 13, 2022 at 03:13 PM

8 Replies
349 Views
Asking for simple LED driver circuit diagram

Analog & Mixed-Signal Design 5 months ago at 08:56 AM

Last message by planetElectron on September 13, 2022 at 01:57 AM

22 Replies
639 Views
Cheap LED garage light not working

Technical Repair 6 months ago at 04:27 PM

Last message by wayneh on September 7, 2022 at 12:16 PM

13 Replies
622 Views
Led Matrix Display and switching EPROM address problem

General Electronics Chat 5 months ago at 11:23 AM

Last message by q12x on September 6, 2022 at 01:51 PM

66 Replies
1066 Views
Cascaded boost/buck converter problem

Power Electronics About 6 months ago at 04:30 AM

Last message by DickCappels on September 2, 2022 at 11:21 AM

31 Replies
616 Views
PWM'ing 230V DC LED strings

Power Electronics 3 years ago at 10:42 AM

Last message by ward2718 on September 1, 2022 at 03:01 PM

1 Replies
344 Views
52 Replies
1619 Views