Seeed Grove Beginner Kit - Lesson 2: Button Control of LED

6
You can use this module in your next robotics projects for
robots to follow a drawn path!
Example
You can use the codes included to turn on and off the Grove
– Chainable LED, based on the position of the Line Finder.
Also, there are two other examples we have included.
Find the examples via the path below:
File > Sketchbook > Grove_Beginner_Kit_Sketchbook-mas-
ter > tutorial 5 – Line Detector > 3_LineDetectorSwitch
Grove – Line Finder
D4 D3
A6 D7
D2
D6
A2
A0 12C.
UART
D5
12C..
Tips
This consists of two parts:an IR emitting LED and an IR sensitive
phototransistor, so that a robot can follow a black line in a white
background.