Two more popular ones are the Raspberry Pi 3 Model B+ and its successor, the Raspberry Pi 4. If you can't decide which one to pick up or are considering whether to upgrade, you've come to the ...

The WS2812 and WS2812B are nearly identical, with the ~B version having reverse current protection, just in case you forget red is positive and black is negative. It’s pretty simple for a 4-pin ...