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Shields
| 7-Seg digit LED Shield -Red
Arduino 7-Seg digit LED Shield -Red
This 7-Seg digit LED tube use special drive chip to control every pin of this module, and it is very simple to use the I2C cable to connect with Arduino
At the same time, change the RS switch to "ON" status, and the RS Switch is at the back of this module, then enable the pull-high resistor of I2C interface as below :
Then download the test code to Arduino module , this test code can display 0-9 and a-f circularly, also can control digital pipe decimal point at the same time, and the test result as below :
This module is using the I2C interface, so in fact this module can also allows to access multiple digital tube module, but should set the module address at first. In the back of the module, there is a ADDR jump line, it is the address that should be set:
Setting method is using the solder tool to connect the middle pin with VCC or GND terminal port respectively:
When middle pin connect with VCC, and the corresponding address is 0 x 76 :
When middle pin connect with VCC, and the corresponding address is 0 x 76 :
When middle pin connect with GND, and the corresponding address is 0 x 70 :
This module which you receive from us does not connect with the VCC, also does not connect with GND, so this time the address is 0 x 76.
And this is Arduino 7-Seg digit LED Shield - Red Version
Click here to download the test code
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