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EC Buying
EC Buying MAX7219 Dot Matrix Display - 10pcs SCM Control Drive LED Display with Red Display
Color:
8*8
Detalles del producto
Disponibilidad
En stock
En stock
Peso con empaque
0.21 kg
0.21 kg
Devolución
Sí
Sí
Condición
Nuevo
Nuevo
Producto de
Amazon
Amazon
Viaja desde
USA
USA
Sobre este producto
- Product parameter Operating voltage: 5V Specification size: 3.2cmX3.2cmX1.3cm (long X width X height) With 32 fixing screw holes, aperture 3mm A single module can drive an 8*8 dot matrix common cathode A module has input/output interfaces Instructions When controlling a single module, you only need to connect the input port to the CPU When multiple modules are cascaded, the input of the first module connects to the CPU, the output to the input of the second module, the output of the second module to the input of the third module, and so on.. Take 51 single-chip computer as an example: VCC to 5V GND to GND DIN to P2.2 CS to P2.1 CLK to P2.0
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$43,76
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MAX7219 is an integrated serial input/output common cathode display driver. It connects the microprocessor with 8-digit 7-segment digital LED display, and can also connect the bar graph display or 64 independent LEDs. The MAX7219 includes an on-chip B-type BCD encoder, a multiple-scan circuit, a segment word driver, and an 8 * 8 static RAM to store each data. Only one external register is used to set the segment current of each LED A convenient four-wire serial interface can connect all general-purpose microprocessors. Each data can be addressed, and there is no need to overwrite all displays when updating. MAX7219 also allows users to choose whether to encode or not to encode each data The whole equipment includes a 150 μA low-power off mode, analog and digital brightness control, a scan limit register allows users to display 1-8 bits of data, and a detection mode that allows all LEDs to glow Only three IO ports are needed to drive one dot matrix. There is no flicker when the dot matrix is displayed. Support cascading
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