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Module LED matran 8x8

Module LED matran 8x8

Arduino, Module LED matran 8x8, MAX7219, RED,

Nhà sản xuất: Đang Cập Nhật

Còn: 20 Cái ROHS

Số lượng mua

0 Phản hồi 1569 lượt xem

Bảng giá

Số lượng
(Cái)
Đơn giá(VND)
1
59,000
3
57,000
5
55,000
10
50,000

MAX7219 is an integrated serial input / output common-cathode display drivers, which connects the microprocessor 7-segment numeric LED display with eight digits, you can also connect a bar graph displays or 64 independent LED. Including B-type on a BCD encoder chip, multi-channel scanning loop, segment word driver, but also an 8 * 8 static RAM for storing each data. Only one external register is used to set the segment current for each LED.

A convenient four-wire serial interface can connect all general-purpose microprocessor. Each data can be addressed at the time of the update does not need to rewrite all of the display. MAX7219 also allows the user to select data for each coding or not coding.
150μA entire device contains a low-power shutdown mode, analog and digital brightness control, a scan-limit register allows the user to display the 1-8 bit data, there is an all LED light detection mode.

Need only three IO ports to drive a dot! When the dot matrix display flicker-free! Supports cascading!

This price is the price DIY kit, not the finished product price!

Disclaimer: to ensure that all components are new, PCB board all through the test stand test, to ensure the physical connection is good. Welding risk, a welded, not accept returns. But it can help customers free debugging, maintenance, return shipping is paid by the customer!

Module parameters:

1. A single module can drive a 8x8 dot matrix common cathode

2. Module Operating voltage: 5V

3. Module dimensions: length 5 cm X 3.2 cm wide and 1.5 cm high X

4. With 4 fixing screws holes with a diameter 3mm, can be fixed by using our copper pillars M3

5. module with input and output interfaces, support for cascading multiple modules

Wiring instructions:

1. The left side of the module to the input port, the right to an output port.

2. When the control of a single module, simply input port connected to CPU

3. When a plurality of cascaded modules, input and output termination CPU, the input terminal of the second output termination modules of a module, the first two modules of the input terminal of the three termination modules, and so on. ..

51 microcontrollers, for example:

VCC → 5V

GND → GND

DIN → P22

CS → P21

CLK → P20

Note:

1.VCC and GND is not reversed, it would burn the chip!

2. When using the 51 SCM P0 port control, you must pull-up resistor with resistance to 4.7K - 10K

3. Please insert the hole lattice first base, and then inserted into the hole PCB board seat welding. The lattice has a side facing their own words, the surface order from left to right pin 123456. PCB board 1 foot square pad!

4. electrolytic capacitors for positive long-legged, short legs is negative; ceramic capacitors without the positive and negative points.

Invoice:

1.PCB board a

2.5P curved legs single pin 2

3.24P IC socket 1

4. MAX7219 chip one line

5.10uF an electrolytic capacitor

6.0.1uF ceramic capacitor 1

7.10K resistor 1

8.8P the hole Block 2 (pitch 2.54mm)

9.3mm 8 * 8 red dot a common cathode

10. Schematic of a driver and 51 microcontroller

http://thegioiic.com/upload/large/3355.jpg

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