10 DB MAX7219 pontmátrix modul mikrokontroller modul kijelző modul készáru
10PCS MAX7219 dot matrix module microcontroller module display module finished goods
4 holes with four screws, the diameter of 3 mm
Five modules with input and output interfaces, support for cascading multiple modules
Wiring instructions:
1 on the left block to an input port, the an output port on the right
2 the When the control of a single module, simple enter the port received a CPU
The When wining 3 modules cascaded output input termination CPU, the input output termination module of the first two modules of the first one, the first two modules of the termination input terminal of the three modules, and so
The To 51 single example:
VCC 5 v
GND GND
DIN P22
CS P21
CLK P20
 
Package Include
10PCSX  MAX7219 Module
 
32713612235 - suq