IR Beacon Click

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  • MIKROE-1939
  • MIKROE-1939
The IR wave has a half intensity angle of ±25 degrees. The diodes have high radiant power and... more
Product information "IR Beacon Click"

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.
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 is in the middle of the board).
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.


Type Optical
Applications Remote controls. Also, it’s ideal for robot competitions that require two robots to communicate with each other (pair with IR click).
On-board modules Nine VSMB2948SL diodes
Key Features 0.5 m range (can be increased by stacking multiple IR Beacon clicks), TX (UART), PWM, MOD
Key Benefits High radiant power and intensity (peak wavelength 940nm), Suitable for high pulse current operation
Input Voltage 3.3V or 5V
Compatibility mikroBUS
Click board size L (57.15 x 25.4 mm)

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).


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

 1 unsigned int ratio;
2 sbit IR_control at GPIOA_ODR.B4;
3 ?
4 void main() {
5 ?
6 	ratio = PWM_TIM2_Init(74);
7 	PWM_TIM2_Set_Duty(ratio / 4, _PWM_INVERTED, _PWM_CHANNEL1);
9 ?
10 	GPIO_Digital_Output(&GPIOA_BASE, _GPIO_PINMASK_4);
11 ?
12 	/* Sending IR signals */
13 ?
14 	while (1) {
15 		IR_control = 1;
16 		delay_us(13);
17 		IR_control = 0;
18 		delay_us(13);
19 	}
20 }

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

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