Elevate your data representation to new heights using JSS-5611BUB-21 and MK64FN1M0VDC12
Two blues for twice the views!
Published Nov 13, 2023
Click board™
UT-L 7-SEG B Click
Dev. board
Clicker 2 for Kinetis
Compiler
NECTO Studio
MCU
MK64FN1M0VDC12
Harnessing the power of dual blue digits, our solution transforms numerical information into a visual symphony, making data interpretation a seamless and delightful experience.
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Hardware Overview
How does it work?
UT-L 7-SEG B Click is based on two blue JSS-5611BUB-21s, ultra-thin single-digit numeric displays from Ningbo Junsheng Electronics. This high-intensity and reliable blue source color device is made with Indium-Gallium-Nitride light-emitting diode conducting material. It features low current operation, high light output, excellent character appearance, and is mechanically rugged. The display can work on 5V and 3.3V and has a common anode as its internal design. It consists of seven blue LED segments that form an
8 number and the eighth segment as a decimal point, or DP. The communication between the host MCU and the UT-L 7-SEG B Click is established via an industry-standard shift-register-plus-latch-type serial interface and the MAX6969, 16-port constant-current LED driver from Analog Devices. This driver has a 4-wire serial interface using four inputs and a data output. The output-enable input (OE) gates to all 16 outputs ON and OFF and is fast enough to be used as a PWM input for LED intensity control. The constant-current
outputs are programmed together to around 15mA using a single external resistor. This Click board™ can operate with either 3.3V or 5V logic voltage levels selected via the VCC SEL jumper. This way, both 3.3V and 5V capable MCUs can use the communication lines properly. Also, this Click board™ comes equipped with a library containing easy-to-use functions and an example code that can be used as a reference for further development.
Features overview
Development board
Clicker 2 for Kinetis is a compact starter development board that brings the flexibility of add-on Click boards™ to your favorite microcontroller, making it a perfect starter kit for implementing your ideas. It comes with an onboard 32-bit ARM Cortex-M4F microcontroller, the MK64FN1M0VDC12 from NXP Semiconductors, two mikroBUS™ sockets for Click board™ connectivity, a USB connector, LED indicators, buttons, a JTAG programmer connector, and two 26-pin headers for interfacing with external electronics. Its compact design with clear and easily recognizable silkscreen markings allows you to build gadgets with unique functionalities and
features quickly. Each part of the Clicker 2 for Kinetis development kit contains the components necessary for the most efficient operation of the same board. In addition to the possibility of choosing the Clicker 2 for Kinetis programming method, using a USB HID mikroBootloader or an external mikroProg connector for Kinetis programmer, the Clicker 2 board also includes a clean and regulated power supply module for the development kit. It provides two ways of board-powering; through the USB Micro-B cable, where onboard voltage regulators provide the appropriate voltage levels to each component on the board, or
using a Li-Polymer battery via an onboard battery connector. All communication methods that mikroBUS™ itself supports are on this board, including the well-established mikroBUS™ socket, reset button, and several user-configurable buttons and LED indicators. Clicker 2 for Kinetis is an integral part of the Mikroe ecosystem, allowing you to create a new application in minutes. Natively supported by Mikroe software tools, it covers many aspects of prototyping thanks to a considerable number of different Click boards™ (over a thousand boards), the number of which is growing every day.
Microcontroller Overview
MCU Card / MCU
Architecture
ARM Cortex-M4
MCU Memory (KB)
1024
Silicon Vendor
NXP
Pin count
121
RAM (Bytes)
262144
Used MCU Pins
mikroBUS™ mapper
Take a closer look
Click board™ Schematic
Step by step
Project assembly
Start by selecting your development board and Click board™. Begin with the Clicker 2 for Kinetis as your development board.
Software Support
Library Description
This library contains API for UT-L 7-SEG B Click driver.
Key functions:
utl7segb_display_number- UT-L 7-SEG B display number function.utl7segb_enable- UT-L 7-SEG B enable function.
Open Source
Code example
The complete application code and a ready-to-use project are available through the NECTO Studio Package Manager for direct installation in the NECTO Studio. The application code can also be found on the MIKROE GitHub account.
/*!
* @file main.c
* @brief UT-L 7-SEG B Click example
*
* # Description
* This example demonstrates the use of the UT-L 7-SEG B Click board™
* by writing and displaying the desired numbers on the screen.
*
* The demo application is composed of two sections :
*
* ## Application Init
* Initialization of SPI module and log UART.
* After driver initialization, the app executes a default configuration.
*
* ## Application Task
* The demo application draws numbers, in hexadecimal format, from 0h to FFh on the display.
*
* @author Nenad Filipovic
*
*/
#include "board.h"
#include "log.h"
#include "utl7segb.h"
static utl7segb_t utl7segb;
static log_t logger;
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
utl7segb_cfg_t utl7segb_cfg; /**< Click config object. */
/**
* Logger initialization.
* Default baud rate: 115200
* Default log level: LOG_LEVEL_DEBUG
* @note If USB_UART_RX and USB_UART_TX
* are defined as HAL_PIN_NC, you will
* need to define them manually for log to work.
* See @b LOG_MAP_USB_UART macro definition for detailed explanation.
*/
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
utl7segb_cfg_setup( &utl7segb_cfg );
UTL7SEGB_MAP_MIKROBUS( utl7segb_cfg, MIKROBUS_1 );
if ( SPI_MASTER_ERROR == utl7segb_init( &utl7segb, &utl7segb_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( UTL7SEGB_ERROR == utl7segb_default_cfg ( &utl7segb ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
void application_task ( void )
{
for ( uint8_t hex_num = 0x00; hex_num < 0xFF; hex_num++ )
{
if ( UTL7SEGB_OK == utl7segb_display_number( &utl7segb,
UTL7SEGB_BASE_NUM_SYS_HEXADECIMAL,
hex_num,
UTL7SEGB_NO_DOT ) )
{
log_printf( &logger, " --- %.2X ---\r\n", ( uint16_t ) hex_num );
Delay_ms ( 500 );
}
}
}
int main ( void )
{
/* Do not remove this line or clock might not be set correctly. */
#ifdef PREINIT_SUPPORTED
preinit();
#endif
application_init( );
for ( ; ; )
{
application_task( );
}
return 0;
}
// ------------------------------------------------------------------------ END
