The project was based on 3 LEDs to form the Red, Green, & Blue in place of a real RGD LED on a PCB that is connected to the controller using a 1m long 4-wire cable. The project was based on 3 LEDs to ...

You can build a matrix of RGB(red/green/blue) LEDs using a simpleand inexpensive circuit comprising thecontrol logic and driver circuit in Figure 1 and some LEDs (Figure 2). The centerRGB LED is the ...

When you ask for recommendations on which 3D printer to buy, damn the cost, the Ultimaker is consistently at the top of the list. There’s a reason for the popularity of this printer — it’s easy to use ...