Main Features:<br />The Jtron MAX7219 LED dot matrix display module is compatible with SPI， QSPI， and microwire， and has slew-ratelimited segment drivers to reduce EMI<br />Only one external resistor is required to set the segment current for all LEDs<br />A convenient 3-wire serial interface connects to all common uPs<br />Individual digits may be addressed and updated without rewriting the entire display <br />The Jtron MAX7219 LED dot matrix display module also allows the user to select code-B decoding or no-decode for each digit<br />The device includes a 150uA low-power shutdown mode， analog and digital brightness control， a scanlimit register that allows the user to display from 1 to 8 digits<br />Application: Various types of electronic products or DIY lovers<br /><br />    Specifications<br />General<br />	 Type: LED dot matrix module                                                  <br />                        Model: MAX7219                                                  <br />                        Material: Glass fiber + plastic + iron                                                  <br />                        Compatibility: Ardunio                                                	<br />Connectivity<br />	 Ports: DIN， GND， VCC， CLK                                                	<br />Electronic Components<br />	 Architecture: Arduino                                                  <br />                        Pins: 5V， GND                                                	<br />Weight and Size<br />	 Product Weight: 0.012 kg                                                  <br />                        Package Weight: 0.082 kg                                                  <br />                        Product Size(L x W x H): 3.2 x 3.2 x 1.7 cm / 1.26 x 1.26 x 0.67 inches                                                  <br />                        Package Size(L x W x H): 12 x 8 x 3 cm / 4.72 x 3.14 x 1.18 inches                                                	<br />Package Contents<br />	 Package Contents: 1 x Module                                                	<br /><br /><br /><br />                                                                                            <br />