MAX7219 LED Dot Matrix Display Module Circuit Diagram. The module is very generic and can be made with genetic components, most of which you can find in your local hobby store. The schematic diagram ...

TM1637 4-Digit 7-Segment Display Module Circuit Diagram. The circuit diagram of the 4-digit 7-segment display is very simple and needs a couple of components to work properly. The main component of ...

Circuit and working. Circuit diagram of the LED dot-matrix scrolling display circuit can be divided into two parts—the regulated power supply and the control circuit. The regulated power supply is ...

The schematic for this module is based on an excellent blog post about connecting an LCD to a Z80 with two glue chips by Mike Sutton (or more accurately, on my own attempt to do the same thing, ...