{"product_id":"yahboom-grayscale-line-tracking-sensor","title":"Yahboom 8-Channel Grayscale Line Tracking Sensor Module (RGBW Options) Digital OUT, XH2.54, 5V","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Yahboom 8-channel grayscale line tracking sensor module is a grayscale line tracking sensor module designed for electronic racing competitions. It supports different colored tracks with optional Red\/Green\/Blue\/White light versions, provides digital value output, and uses a built-in data selector design with no MCU processor.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e8 probes for wider coverage and complex path identification\u003c\/li\u003e\n\u003cli\u003eRed\/Green\/Blue\/White light options for different colored track\u003c\/li\u003e\n\u003cli\u003eOutput digital value\u003c\/li\u003e\n\u003cli\u003eNo MCU processor (MCU-less design)\u003c\/li\u003e\n\u003cli\u003eBuilt-in data selector to read grayscale data from 8 channels via 4 I\/O ports\u003c\/li\u003e\n\u003cli\u003eProbe anti-collision protective cover \/ anti-stray light protective cover (customized light shield)\u003c\/li\u003e\n\u003cli\u003eAmbient light interference resistance via operational amplifier filtering circuitry\u003c\/li\u003e\n\u003cli\u003eAnti-Flash, Anti-White Light, Anti-Warm Light (interference resistance)\u003c\/li\u003e\n\u003cli\u003eRibbon cable \/ DuPont wire connection support\u003c\/li\u003e\n\u003cli\u003eCompatible with various mounting holes\u003c\/li\u003e\n\u003cli\u003eReverse connection protection and status indicator\u003c\/li\u003e\n\u003cli\u003eCustomized spotlight (focused LED emitters; narrow beam angle)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003e8-channel Grayscale Line Tracking Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYahboom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels \/ probes\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData type\u003c\/td\u003e\n\u003ctd\u003eDigital value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCU\u003c\/td\u003e\n\u003ctd\u003eNo MCU Co-processor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial\/IIC communication\u003c\/td\u003e\n\u003ctd\u003eNot Supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPIO communication\u003c\/td\u003e\n\u003ctd\u003e4 GPIO ports can read 8-channels data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable line width\u003c\/td\u003e\n\u003ctd\u003e0.5cm-6cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetecting height (Red\/Green\/Blue light versions)\u003c\/td\u003e\n\u003ctd\u003e16mm-24mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetecting height (White light version)\u003c\/td\u003e\n\u003ctd\u003e10mm-30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eXH2.54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower pin\u003c\/td\u003e\n\u003ctd\u003e5V power supply pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector signal names\u003c\/td\u003e\n\u003ctd\u003e5V, AD2, AD1, AD0, OUT, GND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in data selector\u003c\/td\u003e\n\u003ctd\u003e74HC4051 (similar to a 3-to-8 decoder; output channel selection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTechnical features\u003c\/td\u003e\n\u003ctd\u003eAnti-light interference technology (op-amp filtering); Anti-flash interference technology (op-amp filtering)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIllustrated dimensions\/spacing markings\u003c\/td\u003e\n\u003ctd\u003e6.7cm, 0.7cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eTrack Color Recognition (Default White Background)\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVersion\u003c\/th\u003e\n\u003cth\u003eTrack Color Recognition\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrayscale sensor (Red light version)\u003c\/td\u003e\n\u003ctd\u003eGreen, Cyan-green, Cyan, indigo, blue, black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrayscale sensor (Green light version)\u003c\/td\u003e\n\u003ctd\u003eRed, blue, purple, magenta, purplish-red, black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrayscale sensor (Blue light version)\u003c\/td\u003e\n\u003ctd\u003eRed, orange, yellow, yellow-green, green, black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrayscale sensor (White light version)\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eQuick Selection Table for White Background\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBackground\u003c\/th\u003e\n\u003cth\u003eTrack Color\u003c\/th\u003e\n\u003cth\u003eRed Backlight\u003c\/th\u003e\n\u003cth\u003eGreen Backlight\u003c\/th\u003e\n\u003cth\u003eBlue Backlight\u003c\/th\u003e\n\u003cth\u003eWhite Backlight\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eYellow-green\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eCyan-green\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eCyan\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eIndigo\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eMagenta\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003ePurple-red\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003e\/\u003c\/td\u003e\n\u003ctd\u003e\/\u003c\/td\u003e\n\u003ctd\u003e\/\u003c\/td\u003e\n\u003ctd\u003e\/\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eBlack Background Quick Selection Table\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBackground\u003c\/th\u003e\n\u003cth\u003eTrack Color\u003c\/th\u003e\n\u003cth\u003eRed Backlight\u003c\/th\u003e\n\u003cth\u003eGreen Backlight\u003c\/th\u003e\n\u003cth\u003eBlue Backlight\u003c\/th\u003e\n\u003cth\u003eWhite Backlight\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eYellow-green\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eCyan-green\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eCyan\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eIndigo\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eMagenta\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003ePurple-red\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003ctd\u003eAverage\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003e\/\u003c\/td\u003e\n\u003ctd\u003e\/\u003c\/td\u003e\n\u003ctd\u003e\/\u003c\/td\u003e\n\u003ctd\u003e\/\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003ePin Output Truth Table\u003c\/h2\u003e\u003cp\u003eThe sensor built-in data selector allows grayscale data from 8 channels to be read via 4 I\/O ports, saving microcontroller I\/O resources. The MCU sets the channel address by writing 3-bit binary data through 3 I\/O pins (AD0, AD1, AD2), and the module outputs the corresponding channel's grayscale value on the OUT pin.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGround pin: GND\u003c\/li\u003e\n\u003cli\u003eDigital output: OUT\u003c\/li\u003e\n\u003cli\u003eAddress pins: AD0 \/ AD1 \/ AD2\u003c\/li\u003e\n\u003cli\u003ePower: 5V power supply pin\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eAD2\u003c\/th\u003e\n\u003cth\u003eAD1\u003c\/th\u003e\n\u003cth\u003eAD0\u003c\/th\u003e\n\u003cth\u003eOUT\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eChannel-1 digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eChannel-2 digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eChannel-3 digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eChannel-4 digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eChannel-5 digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eChannel-6 digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eChannel-7 digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eChannel-8 digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eHow Grayscale Recognition Works\u003c\/h2\u003e\u003cp\u003eA grayscale sensor includes a phototransistor. A light-emitting diode (LED) emits light towards the ground, which is reflected by the object's surface and received by the phototransistor. The phototransistor is sensitive to light; the stronger the reflected light, the greater the current generated. Because different colored detection surfaces reflect light at different intensities, the current flowing through the phototransistor also varies, thus distinguishing the grayscale differences between different colors.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eColored line tracking and black\/white line tracking (version-dependent)\u003c\/li\u003e\n\u003cli\u003eLine following on complex routes: curves, intersections, T-junctions, crossroads\u003c\/li\u003e\n\u003cli\u003eOuter-line warning: outer probe detects large-angle curves in advance\u003c\/li\u003e\n\u003cli\u003eCompatible map materials: Electrical tape; Laminated printed racetracks; Double-sided paper maps; Plastic racetracks; Waterproof canvas maps; Resin racetracks; PVC racetracks; Composite board racetracks; Canvas maps\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eVersion Notes (Shopify Options)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVersion: Red light\u003c\/li\u003e\n\u003cli\u003eVersion: Green light\u003c\/li\u003e\n\u003cli\u003eVersion: Blue light\u003c\/li\u003e\n\u003cli\u003eVersion: White light\u003c\/li\u003e\n\u003cli\u003eVersion: All in (RGBW)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSelection guidance examples provided: for a white map with red lines, choose the green or blue light version; for a white map with black lines, choose red\/green\/blue\/white options; for broader multi-color scenarios, red\/green\/blue versions can be purchased together.\u003c\/p\u003e\u003ch2\u003eTutorials \u0026amp; Support\u003c\/h2\u003e\u003cp\u003eTutorials and codes are provided for multiple MCU smart car platforms, including MSPM0, STM32, ESP32, Arduino, and Pico. For tutorial access and technical assistance, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cp\u003eShipping list: not specified in the provided information.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Yahboom 8-Channel Grayscale Line Tracking Sensor module overview with 8 probes and light-shielded design\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module.jpg?v=1782224113\"\u003e\u003cp\u003eDesigned for racing robots, the 8-probe array widens coverage for stable line tracking on complex routes.\u003c\/p\u003e\n\u003cimg alt=\"Grayscale sensor recognition principle graphic with sample smart car and supported controller boards list\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_e19a0517-ea0d-459e-8586-dc4236a6a87a.jpg?v=1782224138\"\u003e\u003cp\u003eA photoresistor-based grayscale principle helps explain how the module distinguishes track contrast during motion.\u003c\/p\u003e\n\u003cimg alt=\"Yahboom 8-channel grayscale line tracking sensor module\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0066\/9686\/1780\/files\/Yahboom8-channellinetrackingsensor-1_03.jpg?v=1763710279\"\u003e\u003cimg alt=\"Quick selection guide for choosing red, green, blue, or white light source based on track color contrast\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_b5053385-d28b-4023-a4f3-40063dba8a2e.jpg?v=1782224179\"\u003e\u003cp\u003ePick a light color version that best matches your track material and line color for higher recognition reliability.\u003c\/p\u003e\n\u003cimg alt=\"Hue circle measurement chart and quick selection tables for red, green, blue, and white light versions\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_5c387541-1f1d-4f9d-aba7-3adc67ba2c36.jpg?v=1782224208\"\u003e\u003cp\u003eReference tables help select the best light source for different colored lines on a white background.\u003c\/p\u003e\n\u003cimg alt=\"Why choose Yahboom grayscale line tracking module poster with board photo and color-version guidance\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_504464b4-a8b2-412b-82d8-872f5a2f7fe6.jpg?v=1782224233\"\u003e\u003cp\u003eMultiple backlight options make it easier to adapt to color-coded tracks without changing your control logic.\u003c\/p\u003e\n\u003cimg alt=\"Actual test results of the 8-channel sensor under red, green, and blue lighting across colored lines\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_2e1cb914-bb80-4179-bb6a-4420ffb1cbf2.jpg?v=1782224251\"\u003e\u003cp\u003eReal-world test comparisons demonstrate how different backlights affect detection on colored paths.\u003c\/p\u003e\n\u003cimg alt=\"Grayscale vs infrared line tracking module comparison table with track recognition and interface details\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_0db17fc3-5179-4c8d-bc57-25b2216bb916.jpg?v=1782224266\"\u003e\u003cp\u003eA side-by-side comparison clarifies when grayscale versions are preferable to infrared-only line sensors.\u003c\/p\u003e\n\u003cimg alt=\"Comparison table for 4-channel infrared line tracking module listing black line recognition and specs\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_0c0cc482-b16c-4a8e-92c9-093693afddc6.jpg?v=1782224288\"\u003e\u003cp\u003eA 4-channel infrared option is contrasted for simpler black-line applications and fewer sensing points.\u003c\/p\u003e\n\u003cimg alt=\"Comparison table for 8-channel infrared line tracking module with analog\/digital output and GPIO info\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0066\/9686\/1780\/files\/Yahboom_8-channel_line_tracking_sensor-1_10.jpg?v=1763710417\"\u003e\u003cp\u003eAn infrared 8-channel alternative is listed for projects that specifically target black line tracking.\u003c\/p\u003e\n\u003cimg alt=\"Yahboom 8-Channel Grayscale Line Tracking Sensor pin output truth table with XH2.54 interface labels\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_16b91978-e09e-48f9-a1a0-7d0715504b16.jpg?v=1782224318\"\u003e\u003cp\u003eClear pin labeling and a truth table simplify wiring and channel selection through the onboard multiplexer.\u003c\/p\u003e\n\u003cimg alt=\"No MCU processor design graphic highlighting onboard multiplexer and voltage comparator ICs\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_5bbe0eea-e1a6-4f26-8420-931e28c556f4.jpg?v=1782224344\"\u003e\u003cp\u003eThe MCU-less architecture uses a data selector and comparator circuitry to reduce controller I\/O needs.\u003c\/p\u003e\n\u003cimg alt=\"Ambient light interference resistance graphic for anti-flash, anti-white light, and anti-warm light\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_796850c7-0184-496f-9dcc-120dc74305f4.jpg?v=1782224370\"\u003e\u003cp\u003eFiltering and shielding help maintain consistent readings under sunlight, flash, and warm indoor lighting.\u003c\/p\u003e\n\u003cimg alt=\"Line width adaptability infographic for 0.5cm to 6cm with in-line recognition and out-of-line warning\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_6ff0b7b6-3e97-4ed4-9b1c-ee898a808034.jpg?v=1782224393\"\u003e\u003cp\u003eSupports a wide range of line widths and includes off-track detection behavior for more robust navigation.\u003c\/p\u003e\n\u003cimg alt=\"Complex route tracking infographic with smart car crossing intersections and multiple path examples\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_21c44e3c-57a7-4819-90a3-7695ec0fa684.jpg?v=1782224409\"\u003e\u003cp\u003eImproved route handling helps with intersections, curves, and junctions commonly used in competition maps.\u003c\/p\u003e\n\u003cimg alt=\"Two interfaces diagram showing XH2.54 connector and pin header options with signal pin callouts\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_7cde0c2b-5800-4cd5-8fcf-9dce929e3fbb.jpg?v=1782224425\"\u003e\u003cp\u003eChoose the XH2.54 socket or standard pin headers for straightforward integration with common robot chassis.\u003c\/p\u003e\n\u003cimg alt=\"Included multi-color ribbon cable graphic showing two connection methods to XH2.54 and pin headers\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-Channel-Grayscale-Line-Tracking-Sensor.webp?v=1782225843\"\u003e\u003cp\u003eA bundled cable supports quick connections whether you prefer the XH2.54 plug or Dupont-style headers.\u003c\/p\u003e\n\u003cimg alt=\"Installation method photo of sensor mounted under smart car with recommended 16–24mm ground distance\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_0f861d78-f26e-4e0f-aba7-0324997dea95.jpg?v=1782224475\"\u003e\u003cp\u003eRecommended mounting height helps balance sensitivity and stability when installing under a smart car.\u003c\/p\u003e\n\u003cimg alt=\"Product parameters drawing with dimensions and table listing voltage, line width range, and detection height\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-Channel-Grayscale-Line-Tracking-Sensor_b909253e-c2e0-4557-85b1-01731fabcab4.webp?v=1782225862\"\u003e\u003cp\u003eDimension and parameter details make it easier to plan mounting hole alignment and ground clearance.\u003c\/p\u003e\n\u003cimg alt=\"Screenshot of Yahboom 8-channel grayscale line tracking sensor resources with tutorial folders and user guide PDFs\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_b7fde54f-cfe9-4994-abe7-a22205bd1243.jpg?v=1782224503\"\u003e\u003cp\u003eYahboom provides organized tutorials, MCU data-reading examples, car gray line-tracking code, and user guide documentation for setup and testing.\u003c\/p\u003e\n\u003cimg alt=\"Line-following robot car examples using a grayscale line tracking sensor module with front LED illumination\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_01a4d061-54a6-412d-b49e-e5743a1ac18f.jpg?v=1782224520\"\u003e\u003cp\u003eThe Yahboom grayscale line tracking sensor is commonly mounted at the front of a small robot car for detecting and following marked paths.\u003c\/p\u003e\n\u003cimg alt=\"Shipping list for Yahboom 8-channel grayscale line tracking sensor module with XH2.54 to 6-pin Dupont cable, LED color options\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_61f15edf-05ee-467e-abbc-8c45eb5db0b4.jpg?v=1782224544\"\u003e\u003cp\u003eThe package includes an 8-channel grayscale line tracking module and a 6-pin 20cm XH2.54-to-DuPont cable, with red, green, blue, or white LED versions.\u003c\/p\u003e\n\u003cimg alt=\"Yahboom 8-channel grayscale line tracking sensor module with 8 brass standoffs, JST connector, and pin header\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yahboom-8-channel-grayscale-line-tracking-sensor-module_069260d2-d1f8-4bfe-b821-fafd9d509796.jpg?v=1782224565\"\u003e\u003cp\u003eThe Yahboom 8-channel grayscale line tracking sensor board includes a JST socket and pin header for easy integration into robot projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Yahboom","offers":[{"title":"Red light","offer_id":53137402495200,"sku":"6000301839-1","price":16.88,"currency_code":"USD","in_stock":true},{"title":"Green light","offer_id":53137402527968,"sku":"6000301839-2","price":16.88,"currency_code":"USD","in_stock":true},{"title":"Blue light","offer_id":53137402560736,"sku":"6000301839-3","price":16.88,"currency_code":"USD","in_stock":true},{"title":"White light","offer_id":53137402593504,"sku":"6000301839-4","price":16.88,"currency_code":"USD","in_stock":true},{"title":"All in(RGBW)","offer_id":53137402626272,"sku":"6000301839-5","price":47.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/Yahboom8-channellinetrackingmodule_1.jpg?v=1782135625","url":"https:\/\/rcdrone.top\/tr\/products\/yahboom-grayscale-line-tracking-sensor","provider":"RCDrone","version":"1.0","type":"link"}