74*245 Motor Driver

H-Bridge Driver

Simple PWM Gen.

Handy Method Measuring RPM

Measuring RPM via Photo reflector

Introduction to Robotic

DC, Stepper,and Servo Motor

Microcontroller Tutorial

Computer Interface
Tutorial
.............more links

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Linbot advanced line following robot
by : activerobot

Linbot is an advanced line tracer robot. It has one pair of infrared emitters and sensors directed forward, as well as three pairs of infrared emitters and sensors directed downward. Linbot can follow a black line placed on a white floor as well as a white line on a black floor.

When it meets with an obstacle while following the line, it makes a U-turn and continues on. It comes in kit form, allowing the user to acquire hands on experience in robotic principles.

Features

PIC16F876(Microchip).
Two modes: Simple line-tracer mode.
Line-tracer with obstacle avoidance.
Four speed settings.
Trace a black line or a white line.(Selectable)
Pulse Width Modulation(PWM) motor control.
Intelligent line tracing.
-Continual Adjustment.
-If goes off the line, can find way back.
-Can handle intersecting lines.
-In-System Programming(ISP) port.
-Source program is available on the web.
-Downloadable free development tools(MPLAB : Assembler, Linker, Debugger).

Specifications

Item Description
SIZE 125.5 x 87 x 41(H) mm
CPU PIC16C876
SENSOR Bottom: Infrared emitter x 3, Infrared sensor x 3
Front: Infrared emitter x 1, Infrared sensor x 1
MOTOR MRM-GM03 Gearbox(DC Motor x 2)
SPEED 4 speed modes : 20 - 60 cm/s
BUZZER Piezo Buzzer(ALP1205S)
LED Sensor data indicator LED x 4
KEY Jumper switch x1, Push switch x 1
PORT ISP port for MPLAB-ICD
BATTERY AA x 4(not included)

Download Complete schematic

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