MIKROE-2103

Color 3 click - MikroElektonika Documentation Page 1 of 2 Color 3 click From MikroElektonika Documentation Color 3 click is a mikroBUS™ add-on board with a TCS3771 color sensor (also known as a light-todigital converter) and a narrow beam Infrared LED. The circuit can also function as a proximity sensor. Color 3 click Features and usage notes TCS3771 is a RGBC sensor (red, green, blue and clear). It consists of an array of 4x4 photodiodes and integrated amplifiers, 16-bit ADCs, accumulators, clocks, buffers, comparators and state machines. The IC performs well under a variety of lighting conditions and can be covered with different attenuation materials. Schematic also available in PDF (http://cdndocs.mikroe.com/images/0/0b/Color_3_click_schema Paired with an onboard IR LED, the TCS3771 device works a proximity sensor (the emitted IR LED is reflected back to the photodiodes). Since the sensor has a large dynamic range of operation, Color 3 click can take both short distance measurements behind dark glass; or it can be configured for longer distance measurement, for example, human presence detection in front of monitors or laptops. For power-saving, TCS3771 has an internal state machine that can put the device into a low power mode between successive RGBC and proximity measurements. TCS3771 is also fast enough to give off proximity information at a high rate of repetition. This makes it useful for proximity detection in portable devices (such as a phone coming near to a speaker’s ear). Color 3 click communicates with the target MCU through the mikroBUS™ I2C interface, with additional functionality provided by an INT pin. Designed to use a 3.3 power supply only. Color 3 click IC/Module TCS3771 (http://ams.com/eng/Products/LightSensors/Color-Sensors-ProximityDetection/TCS37717) Interface I2C, INT Power supply 3.3V Website www.mikroe.com/click/color-3 (http://www.mikroe.com/click/color-3) Programming The following code snippet shows how to send temperature readings from Color 3 click to a TFT display. 1 void main() 2 { 3 //Local Declarations 4 uint8_t _i2c_address = 0x29; 5 color_t my_color; 6 7 // GPIOs 8 GPIO_Digital_Input( &GPIOD_BASE, _GPIO_PINMASK_10 ); 9 Delay_ms(300); 10 // I2C 11 I2C1_Init_Advanced( 100000, &_GPIO_MODULE_I2C1_PB67 ); 12 Delay_ms(300); 13 14 //Color 3 15 color_3_init( _i2c_address ); 16 Delay_ms(300); 17 18 color_3_get_rgb_data( &my_color ); 19 20 while(1) 21 { 22 23 } 24 25 } Code examples that demonstrate the usage of Color 3 click with MikroElektronika hardware, written for mikroC for ARM, AVR, dsPIC, FT90x, PIC and PIC32 are available on Libstock (http://libstock.mikroe.com/projects/view/1925/color-3-click). Resources ◾ Vendor’s data sheet (http://ams.com/eng/Products/Light-Sensors/Color-Sensors-Proximity-Detection/TCS37717) ◾ Color 3 click Libstock example (http://libstock.mikroe.com/projects/view/1925/color-3-click) ◾ mikroBUS™ standard specification (http://download.mikroe.com/documents/standards/mikrobus/mikrobus-standard-specification-v200.pdf) Retrieved from "http://docs.mikroe.com/index.php?title=Color_3_click&oldid=1239" http://docs.mikroe.com/index.php?title=Color_3_click&printable=yes 11/2/2016 Color 3 click - MikroElektonika Documentation Page 2 of 2 Category: Home page ◾ This page was last modified on 7 October 2016, at 09:50. ◾ Content is available under Creative Commons Attribution unless otherwise noted. http://docs.mikroe.com/index.php?title=Color_3_click&printable=yes 11/2/2016