Line finder is designed for line following robotic. It consists two parts - an IR emitting LED and an IR sensitive phototransistor. It can output digital signal to a microcontroller so the robot can reliably follow a black line on a white background, or vice versa.
Grove compatible interface
5V DC power supply
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Grove-Line finder is designed for line-following robot. It has an IR emitting LED and an IR sensitive phototransistor. It can output digital signal to a microcontroller so that the robot can reliably follow a black line on white background, or vice versa.
I think you have the pin number wrong on the schematic in the wiki page. Pin 1 is GND and Pin 4 is Sig.
Hi,the schematic is right,maybe you have thought that there are some relationship between number pin,in fact,the number of pin is just a identifier of chip,but there have no connection.
Firmware :SYS_B152 / AP1_P100