Basic Lego Walker

















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Lego Walker controlled by android app via Bluetooth

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This is a Lego robot with a geared Stepper Motor 28BYJ-48 5V with ULN2003 driver board which is controlled by a Bluetooth using an android app that the author has developed. /*  Stepper Motor controlled by android app via bluetooth  This sketch controls a geared stepper motor wirelessly using a phone  The motor will revolve one revolution forward when green button is pressed.  The motor will revolve one revolution backward when red button is pressed.  The motor is attached to digital pins 8 - 11.  An indicator red led is attached to pin 13. */ #include <SoftwareSerial.h> SoftwareSerial BTserial(2,3); int i=0; int m=4 void setup() {                 pinMode(8, OUTPUT);   pinMode(9, OUTPUT);   pinMode(10, OUTPUT);   pinMode(11, OUTPUT);   pinMode(13, OUTPUT);  } void loop(){ if (BTserial.available()) data=BTserial.read()...
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Lego Walker controlled by a TV remote controller

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This is a Lego robot with a geared Stepper Motor 28BYJ-48 5V with ULN2003 driver board which is controlled by a television remote control. /*  Stepper Motor controlled by arduino and tv remote controller  This sketch controls a geared stepper motor wirelessly using tv remote control  The motor will revolve one revolution forward when left arrow is pressed.  The motor will revolve one revolution backward when right arrow is pressed.  The motor is attached to digital pins 8 - 11.  An indicator red led is attached to pin 13.  An indicator blue led is attached to pin 7.  An infrared receiver (IR) is attached on pin 6. */ #include <IRremote.h> #include <Stepper.h> int Pin0 = 8; int Pin1 = 9; int Pin2 = 10; int Pin3 = 11; int IR_PIN = 6; int redLed = 13;  int bluLed = 7;                    int i=0; int m=4;...
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Lego Walker using Lawsin Linkage

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The Lawsin Linkage:  Lawsin Linkage Simulation The Lawsin Linkage , sometimes called the Bowtie Truss,  is a double cantilever truss system with connecting elements (links) forming triangular frames. The structure, which forms like a bow-tie or a double inverted king posts, was developed by Joey Lawsin in 1988 to simulate the walking cadence of  his biotronics animals. The linkage was designed to meet the following criteria: 1. It must carry out a walking cadence fluidly like an actual living animal's gait. 2. It can conquer any type of terrain obstacles from carpet floors to seabeds. 3. It can move in different directions with various range of actuated motion or R.O.A.M. 4. Its structure elements must be guided by natural mathematics, eg. geometry. 5. It can be integrated with the arduino platform for virtual consciousness programming. The linkage is consisted of two equilateral triangles that are connected in a common pivot axis known a pin joint. T...
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