Datasheet
IDUINO for Maker’s life
www.openplatform.cc
Line tracking module(ST1140)
1.Introduction
With this module your DIY car or robot can walk only along one line way. When the
detector move from white to black, it could output TTL signal, So if you draw one black
line between in the two wheels of your car, it will walk along your expecting road.
Specification:
Voltage: 3.3V to 5V
Operating current: 20mA @ 5V
Operating temperature range: 0°C ~ + 50°C
Black for LOW output, White for HIGH output
Size:28x10mm
Weight: 3.5g
2 Pinout
Pin
Description
S
Digital output pin, black is Low, white is
High
V+
Power(5V DC)
G
Ground
3. Example
The example show that when the sensor detect black area, the “s” pin output Low
TTL signal, then the LED13 turn off meanwhile the light ”L” on this module turns on.
On the contrary, LED13 turns on.
The connection as below: