D Dl665 New Member Apr 4, 2021 #1 Hi all, I found a pcb with some components attached in an LED light bulb. The bulb is not a smart bulb as far as I know. Does anyone know what this is? Attachments 2CB64C88-F289-4679-B4AB-14A212A2BD3B.jpeg 1.1 MB · Views: 425 C0EDF602-802B-45B7-8F83-0EBE8DCE5731.jpeg 944.1 KB · Views: 431 ACD5C34A-D5E4-4748-AAF3-BE741F2306FF.jpeg 1 MB · Views: 431 0CD5A43A-7B60-4BA7-91CD-C92EFCF44400.jpeg 1.4 MB · Views: 422
Hi all, I found a pcb with some components attached in an LED light bulb. The bulb is not a smart bulb as far as I know. Does anyone know what this is?
rjenkinsgb Well-Known Member Most Helpful Member Apr 4, 2021 #2 It's a tiny switched-mode power supply / regulator to provide a low voltage constant current drive to the original LED(s) in the lamp. Think of it as being a bit like the guts of a phone charger, though not exactly the same.
It's a tiny switched-mode power supply / regulator to provide a low voltage constant current drive to the original LED(s) in the lamp. Think of it as being a bit like the guts of a phone charger, though not exactly the same.