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I had some LED filaments left over from my big open filament lamp project, so I spontaneously decided to make a tubular LED filament lamp after discovering that test-tubes fit nicely into salvaged lamp bases.
Initially I was tempted to cheat with the absolute minimum number of components by using a single diode instead of a bridge rectifier, using a single current limiting resistor and omitting the capacitors discharge resistor, but then I decided to do it with a full circuit. This was a good approach because the circuitry is visible inside the glass tube and looks good.
I had some LED filaments left over from my big open filament lamp project, so I spontaneously decided to make a tubular LED filament lamp after discovering that test-tubes fit nicely into salvaged lamp bases.
Initially I was tempted to cheat with the absolute minimum number of components by using a single diode instead of a bridge rectifier, using a single current limiting resistor and omitting the capacitors discharge resistor, but then I decided to do it with a full circuit. This was a good approach because the circuitry is visible inside the glass tube and looks good.
Very nice project. My experience with bending LED leads is that you can bend preety freely as long as LEDs remain cold. They are mostly encapsulated into a kind of this and that plastic type housing, which has low melting temperature, significant mass and long cooling time, so it may seem that LED is cold after soldering, while it is still not enough. Bending leads during this period will very likely lead to LED internal damage. I always wait until it is cold on touch and not even warm, what could happen even after one minute or even few. All LEDs I've soldered following this protocol remained healthy and functional. 🙂🍹
Finally I learned that hand soldering technique, but nobody can be better then the master!..
LMAO. those hands are very useful! its….like you have down sindrome (mispelled), maybe a trekie spok or old mam cramping (me). Very impressive!!!!
I'm wondering can you assemble a filament tungsten lamp from scratch?
Please, test with dimmer
Can it be powered by a 12DC power supply?
Could you not bend in that outer rim on the lamp base to kinda crimp the glass in place?
Nice work! Love it!
Hi Bigclive, I have a project, I want to make a 11 blue LED inside a home made light bulb. They each make 3V (in total, 33V), and they make ~20mA each, over regular 220V supply. I wonder what value the resistor should be. I tried with 1K, but the lights went out. What value should I use? Thanks in advance.
Does the filament chip work with 70 volts?
Its a glowing sex toy you should toughen them and sell them
Clive used a 3rd hand – can the apocalypse be far off?
VERY NICE Clive… Now plug it in where the sun don't shine 😂😂🤣
I'm not finding the bare filaments for sale anywhere. Any info on who sells them or what search terms to use?
I'm 100% sure I love this!