MIKROE-2705

MIKROE-2705 Datasheet


PID MIKROE-2705 Weight 34 g

Part Datasheet
MIKROE-2705 MIKROE-2705 MIKROE-2705 (pdf)
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7x10 G click

PID MIKROE-2705 Weight 34 g
7x10 G click can be used for displaying letters on a display with 7x5 font resolution. It carries a matrix of 70 green LEDs driven by a pair of shift registers, a Darlington Transistor array and a Johnson counter. 7x10 G click is designed to run on either 3.3V or 5V power supply.It communicates with the target microcontroller over SPI interface, with additional functionality provided by the following pins on the mikroBUS line AN, PWM, RST.

How it works
7x5 is a standard resolution for displaying ASCII characters, so 7x10 click is essentially a dual character display capable of showing letters in more readable typefaces compared to a 14segment display.

The dot matrix can also show scrolling text, thus fitting longer messages in small space. The pair of 8-bit SIPO shift registers drive the display. The current amplification necessary for driving the LEDs is performed by a Darlington Transistor array while a Johnson counter performs the necessary LED multiplex.

Specifications

Type

LED Matrix

Applications 7x5 dot matrix text display for user interfaces
modules

SN74HC595 shift register, ULN2003ADR Darlington transistor array, CD4017BM96 CMOS counter

Key Benefits Displays letters in highly readable format, scrolling text capability

Interface

Input Voltage 3.3V or 5V

Click board size L x mm

Pinout diagram

This table shows how the pinout on 7x10 G click corresponds to the pinout on the mikroBUS socket the latter shown in the two middle columns .

Notes

Notes

CD4017 clock pin RC 1 AN PWM 16 RR CD4017 reset pin
74HC595 reset

RST 2 RST INT 15 NC

Latch of 74HC595 CS 3 CS TX 14 NC

SPI clock pin

SCK 4 SCK RX 13 NC

SPI slave data out pin SDO 5 MISO SCL 12 NC

SPI slave data in pin SDI 6 MOSI SDA 11 NC

Power supply
+3.3V 7 3.3V 5V 10 +5V Power supply

Ground

GND 8 GND 9 GND Ground

Programming

Code examples for 7x10 G click, written for MikroElektronika hardware and compilers are available on Libstock.

Code snippet

This code snippet shows how to display scrolling text at medium speed.
01 void S7X10G_Task
bool ind;
static bool called = false;

S7X10G_clearDisplay ;
// scrolls given text
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Datasheet ID: MIKROE-2705 649400