20221220 The PCBs has arrived

20221220 The PCBs has arrived

In just 12 days, my PCB has arrived, thanks to JLCPCB. It has been quite a worry as after finalising and submitting the design, I realised that there is an issue. My design would never be able to recreate that uniform light of the engines unless I use a COB LED. There is a solution […]

20221215 The COB LED

20221215 The COB LED

While waiting for my PCB to arrive, I decided to just play with some COB LEDs. These chip-on-board LEDs are quite bright. But, they are usually configured to work at 12volts. It was quite a challenge to find one rated at 5volts or less and have a diameter of 40mm.

Testing the 0.25W Top Hat LED

Testing the 0.25W Top Hat LED

I have already designed the circuit board for the Engines and so, hopefully, they will arrive before Christmas. But if you look at the lit engines in the show, the most ideal light source would be a 30-40mm COB Warm White LED. Alas, they with a 50mm aluminum heatsink. There are some that does fit […]