MIKROE-1939

MIKROE-1939 Datasheet


From MikroElektonika Documentation

Part Datasheet
MIKROE-1939 MIKROE-1939 MIKROE-1939 (pdf)
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IR Beacon click

From MikroElektonika Documentation

IR Beacon click is a mikroBUS add-on board with an array of nine high speed infrared emitting diodes. It functions as a beacon device, transmitting infrared rays in a wide angle, which can be detected by nearby infrared receivers such as the one on IR click .

Features and usage notes

IR Beacon click

Each of the nine VSMB2948SL diodes have a transparent plastic package that serve as tiny lenses. The IR wave has a half intensity angle of ±25 degrees. The diodes have high radiant power and intensity with a peak wavelengths of 940nm..

Schematic also available in PDF
board .

IR Beacon click is suitable for high pulse current operation. The mainboard MCU drives the infrared diodes through the mikroBUS MOD pin, providing a carrier signal which can be modified to match the frequency of the receiver . Either UART or PWM can be used to transmit a signal to a target receiver specified by the position of the TX SEL jumper in the middle of the

The range is up to half a meter. You can increase it by stacking multiple IR Beacon clicks onto a same mikroBUS socket. The board can use either a 3.3V or a 5V power supply.

Programming

This code demonstrates how the IR Beacon click sends IR signals depending on the PWM frequency.

IR Beacon click

IC/Module Array of nine VSMB2948SL infrared diodes

Interface MOD, PWM, TX

Power supply
3.3V, 5V

Website
1 unsigned int ratio;
2 sbit IR_control at GPIOA_ODR.B4;
4 void main
ratio = PWM_TIM2_Init 74 ;

PWM_TIM2_Set_Duty ratio / 4, _PWM_INVERTED, _PWM_CHANNEL1 ;

PWM_TIM2_Start _PWM_CHANNEL1, &_GPIO_MODULE_TIM2_CH1_PA0 ;

GPIO_Digital_Output &GPIOA_BASE, _GPIO_PINMASK_4 ;
/* Sending IR signals */
while 1

IR_control = 1;
delay_us 13 ;

IR_control = 0;
delay_us 13 ;

Code examples that demonstrate the usage of IR Beacon click with MikroElektronika hardware, written for mikroC for ARM, PIC32, and FT90x are available on Libstock

Resources
- Vendor’s data sheet - MikroBUS standard specifications

Retrieved from

This page was last modified on 6 July 2016, at Content is available under Creative Commons Attribution unless otherwise noted.
8/8/2016
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Datasheet ID: MIKROE-1939 649269