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 of ...

Fig. 1: Author’s prototype of the LED Dot-Matrix Scrolling Display As shown in Fig. 2, the dot-matrix LED module incorporates an MAX7219 driver chip. The module has an 8×8 LED matrix, each LED of ...

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 the ...

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, ...