Captainlegobrick Posted January 17, 2023 Posted January 17, 2023 Hi fellow Lego builders. Since I'm going to Hong Kong next week for holiday I wanted to ask if anybody familiar with the country could point me in the right direction: I need some regular micro lightbulbs 3mm diameter (NOT LED) because they fit into a lego brick and I'm using a lot of those for my current display. Since the regular oldschool light bulbs has been banned to import commercially to EU they are not sold here any longer and I'm looking for great quantity (600-800 bulbs) Is there a electronic store around the city that would sell those? Thank you very much in advance! Quote
Toastie Posted January 17, 2023 Posted January 17, 2023 9 hours ago, Captainlegobrick said: (NOT LED) because they fit into a lego brick and I'm using a lot of those for my current display. 3 mm diameter is so LED. Why don't you want to switch? Voltage? No space for resistors? Color? Brightness? Best, Thorsten Quote
Captainlegobrick Posted January 19, 2023 Author Posted January 19, 2023 On 1/17/2023 at 4:20 PM, 1963maniac said: Try searching on aliexpress. I tried but all I could find was with a minimum purchase amount of several thousands bulbs. Perhaps I should try harder :) On 1/17/2023 at 10:40 PM, Toastie said: 3 mm diameter is so LED. Why don't you want to switch? Voltage? No space for resistors? Color? Brightness? Best, Thorsten You are right, the LED would be perfect. it's just that I already started using the other types of bulbs in my build. And to avoid several power supply and supply chains I prefer to stick to the same type. As well as the LEDs I found was without cable so I would have to atttach cables and resistors to all of them. Just seemed like a lot of work. But perhaps it is really the way to go after all :) Quote
Toastie Posted January 19, 2023 Posted January 19, 2023 37 minutes ago, Captainlegobrick said: Just seemed like a lot of work. I don't know ... I believe you are going all the same color, right? I mean, the bulbs would have some sort of yellowish-white color, or do you use colored bulbs? Well, if they are all the same color, then I'buy X (X = at least 10 times more than you can possibly imagine) LEDs of the right color and then use a power supply that drives the LEDs without resistor (depending on the LED type you choose, 1.2V or whatever). One power supply for all LEDs. So the work reduces to: Solder wires to the LEDs (color coded), have a power supply of appropriate voltage. The latter is really cheap. Best, Thorsten P.S.: And you make your layout much more environmentally friendly - the EU does not allow incandescent lighting anymore :D OK, seriously though: The LEDs need much less current for the same amount of light generated, so your power supply can be rather tiny ... Quote
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