7-SEG RGB click

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  • MIKROE-2734
  • MIKROE-2734
7-SEG RGB click  carries a full-color single 7 segment digit  display . The click is... more
Product information "7-SEG RGB click"

7-SEG RGB click carries a full-color single 7 segment digit display. The click is designed to run on either 3.3V or 5V power supply. It communicates with the target microcontroller over the CS, and PWM pin on the mikroBUS™ line.

The click can be connected in a chain, in order to display a larger number of characters. Unlike with conventional 7 segment displays, you will be able to use multiple colors on the display.

Display features

Each segment has R, G, B LEDs that can be adjusted in 255 steps and therefore 16,581,375 color combinations are available for each segment of the digit on the display.

Also, the ability to control the brightness of all the LED's is driven at 255 steps. It should be noted that the brightness values above 80 should rarely be used.


Type LED Segment
Applications Displaying digits and letters on a seven segment in full color
Brightness Adjustable from 0 to 255 steps
On-board modules RGBdigit full color single 7 Segment digit display
Key Features Multi-colored display
Interface PWM
Input Voltage 3.3V or 5V
Click board size L (57.15 x 25.4 mm)

Pinout diagram

This table shows how the pinout on 7-SEG RGB click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

NotesPinMikrobus logo.pngPinNotes
  NC 1 AN PWM 16 PWM Data input
  NC 2 RST INT 15 NC  
Write enable (active low) CS 3 CS TX 14 NC  
  NC 4 SCK RX 13 NC  
  NC 5 MISO SCL 12 NC  
  NC 6 MOSI SDA 11 NC  
Power supply +3.3V 7 3.3V 5V 10 +5V Power supply
Ground GND 8 GND GND 9 GND Ground

Jumpers and settings

DesignatorNameDefault PositionDefault OptionDescription
JP1 Logic level Left 3.3V Data in level Voltage Selection 3V3/5V, left position 3V3, right position 5V


Code examples for 7-SEG RGB click, written for MikroElektronika hardware and compilers are available on Libstock.

Code snippet

The following code snippet writes the numbers 1, 2 and 3 in green, red and blue colors on 7-SEG RBG click.

01 #define ONE     0x06
02 #define TWO     0x5B
03 #define THREE   0x4F
04 sbit CS_BIT at GPIOD_ODR.B13;
06 void systemInit()
07 {
08     GPIO_Digital_Output( &GPIOD_BASE, _GPIO_PINMASK_13 );
09     GPIO_Digital_Output( &GPIOA_BASE, _GPIO_PINMASK_0 );
10 }
11 void RGB_7_SEG_Init()
12 {
13     RGB_CONTROL_BIT = 0;
14     CS_BIT = 0;
15 }
16 void RGB_7_SEG_Task()
17 {
18     setSevenSegment(ONE,40,0,0);
19     Delay_ms(1000);
20     setSevenSegment(TWO,0,40,0);
21     Delay_ms(1000);
22     setSevenSegment(THREE,0,0,40);
23     Delay_ms(1000);
24 }
25 void main()
26 {
27     systemInit();
28     RGB_7_SEG_Init();
29     while( 1 )
30     {
31         RGB_7_SEG_Task();
32     }
33 }


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