This is a very good primer for those interested in LED lighting. The Author explains the reasoning why a current limiting resistor is a must and also why we do not exceed that 20mA limit.
Category Archives: Technology
Multicolour Silkscreen PCB from JLCPCB
While trawling through my JLCPCB account, I came across this notification dated April 1st. They are now able to to multilayer silkscreen which in other words, you can now put images on your PCB. I have seen some earlier designs from microcontrollers (Arduino?) but they used them sparingly to only mark the I/O pins. Designing […]
202040408 1/6th Proton Pack: The Guesstimation Process
Fitting a circuit board into a scale model is quite challenging and it usually ends up being a bespoke design. The challenge is to maximise the space within and making sure all the components fit in there. So far, in most scale models, I can skip this process because the available space was more than […]
Getting an accurate 1 second pulse by Modern Technology
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