MIKROE-2238

MIKROE-2238 Datasheet

From MikroElektonika Documentation

Part	Datasheet
MIKROE-2238	MIKROE-2238 (pdf)

PDF Datasheet Preview
Cap Extend click From MikroElektonika Documentation Cap Extend click carries a SEMTECH SX8633 low power, capacitive button touch controller. It has 12 pins for connecting capacitive inputs either touch-buttons or proximity sensors . Any sort of conductive object can be used as an input. Additional 8 GPIO pins, available on the sideedges of the board, can be used as LED drivers. Cap Extend click communicates with the target MCU through the mikroBUS I2C interface, with additional functionality provided by RST and INT pins. Designed to use a 3.3V power supply only. Features and usage notes Cap Extend click The SX8633 IC has a 10 bit ADC and up to 100pF offset capacitance compensation at full sensitivity. This high resolution enable it to support a wide variety of touch pad sizes and shapes to be used with the click. An overlay material up to 5mm thick can also be used, simplifying integration. Schematic also available in PDF The 8 GPIO pins on Cap Extend click can be used as LED drivers. An interesting application that combines capacitive sensing with LED drivers is to have LEDs that slowly fade in as a user’s finger approaches. using the SX8633 autolight mode. The LED fading effect can be initiated Cap Extend click IC/Module SX8633 Interface I2C Power supply 3.3V Website Programming This example shows how you can setup Cap Extend click very quickly and easily, and show which surface you are touching through the GPIOs as LEDs. 1 #include <stdint.h> 2 #include "capextend_hw.h" 4 void system_init void ; 6 sbit RST at GPIOC_ODR.B2; 8 //Global Declatations 9 uint8_t address = 0x2B; 10 uint8_t my_buffer 12 void main //Local Decalartions uint8_t msb uint8_t lsb char uart_text[20] = 0 system_init ; Delay_ms 100 ; GPIOD_ODR = 0xFF; while 1 msb = capextend_read_msb_buttons ; lsb = capextend_read_lsb_buttons ; GPIOD_ODR = lsb \| msb << 8 ; //While 32 //Main 34 void system_init void

PDF Datasheet Preview

Cap Extend click

From MikroElektonika Documentation

Cap Extend click carries a SEMTECH SX8633 low power, capacitive button touch controller. It has 12 pins for connecting capacitive inputs either touch-buttons or proximity sensors . Any sort of conductive object can be used as an input. Additional 8 GPIO pins, available on the sideedges of the board, can be used as LED drivers. Cap Extend click communicates with the target MCU through the mikroBUS I2C interface, with additional functionality provided by RST and INT pins. Designed to use a 3.3V power supply only.

Features and usage notes

Cap Extend click

The SX8633 IC has a 10 bit ADC and up to 100pF offset capacitance compensation at full sensitivity. This high resolution enable it to support a wide variety of touch pad sizes and shapes to be used with the click. An overlay material up to 5mm thick can also be used, simplifying integration.

Schematic also available in PDF

The 8 GPIO pins on Cap Extend click can be used as LED drivers. An interesting application that combines capacitive sensing with LED drivers is to have LEDs that slowly fade in as a user’s finger approaches.
using the SX8633 autolight mode.

The LED fading effect can be initiated

Cap Extend click

IC/Module SX8633

Interface I2C

Power supply
3.3V

Website

Programming

This example shows how you can setup Cap Extend click very quickly and easily, and show which surface you are touching through the GPIOs as LEDs.
1 #include <stdint.h>
2 #include "capextend_hw.h"
4 void system_init void ;
6 sbit RST at GPIOC_ODR.B2;
8 //Global Declatations
9 uint8_t address
= 0x2B;
10 uint8_t my_buffer
12 void main
//Local Decalartions
uint8_t msb
uint8_t lsb
char uart_text[20] = 0
system_init ;

Delay_ms 100 ;

GPIOD_ODR = 0xFF;
while 1
msb = capextend_read_msb_buttons ;
lsb = capextend_read_lsb_buttons ;

GPIOD_ODR = lsb | msb << 8 ;
//While
32 //Main
34 void system_init void

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived MIKROE-2238 Datasheet file may be downloaded here without warranties.

Datasheet ID: MIKROE-2238 649241