On the rising edge of a clock input, this data is shifted into the 16-bit shift register integrated inside this chip. How to use MAX7219?Ī 16-bit data is sent at serial DIN input. One of the biggest advantages of using this IC is you can address Individual digits without rewriting the entire display. 16×2 LCD Module – Liquid Crystal Displayĭue to its compact structure and four-wire serial interface, it can be connected to all common microprocessors (µPs), 7-segment LED displays, bar-graph displays, or 64 individual LEDs.The maximum current for each segment pin is 100mA and for each DIGIT ground pin is 500mA.MAX7219 works well in a temperature range of 0☌ to +70☌.The data is displayed on segments with a delay time of 2.2ms. ![]() It provides a feature of digital and analog brightness intensity control and a 150♚ shutdown mode in which the current of all segments is pulled to ground. ![]() Normally, the voltage supply of +5V is used.
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