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Thread: Homemade robots from Saurav Chakraborty, Brainergiser

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    How to make a walking robot at home

    Published on Jul 15, 2014

    There are some videos on homemade walking robots, but one explained how to make it. Here is step by step instructions to make a simple walking robot. I have used a old CD players door opening mechanism to make the robot.

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    How to make a self jumping Robo Toy

    Published on Jul 28, 2014

    Here is another MOTOR and BATTERY Project. It is a simple Robo Toy which can jump forward, then jumps backward again and stands on its own feet. Its homemade from aluminum sheets, iron wires and wood. A servo-motor was modified to provide the high torque low speed motion without the need of any control circuit for this project.

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    How to make a three legged single motor toy robot

    Published on Jul 17, 2014

    It is easy to make single motor based toy robot. Its moves with funny steps based on the different legs position and angle. Kids can really enjoy it.

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    How to make a Four Legged Walking Robot

    Published on Sep 2, 2014

    It is a four legged single motor control robot. It looks like an insect robot. The video provides step by step instructions to make this simple four legged walking robot. I have used an old CD player’s door opening mechanism to make the robot.

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    How to make a crawling robot

    Published on Aug 29, 2014

    Here are step by step instructions to make a simple crawling robot.The basic electronic components are a DC motor and a battery. I have used an old CD player's door opening mechanism to make the robot.

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    How to make a Walking Robo Dinosaur

    Published on Dec 23, 2014

    This is a Christmas gift to all my fans. Its about how to make a walking Robo Dinosaur using a single motor. While walking it moves tail and head too. A single servo motor was used for this. The circuit inside the servo was removed, therefore no external control circuit was necessary. Its just like a DC motor with gear box to provide high torque at low speed.

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    How to make a Toy Robo Snake

    Published on Dec 15, 2014

    Here are step by step instructions on how to make a toy robo snake. It is having two 3V DC motors, one 3.7V li-Po battery and one simple transistor base astable multivibrator circuit board. The frequency of the circuit is less than 1Hz. The timing can be changed by changing the value of C1 and C2.
    The head part of snakes gets an oscillation motion because of this circuit and the motors. This oscillation is then moved down along the body towards the tail, giving a snake like body movement to the toy.

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    How to make a toy butterfly which can flap its wings

    Published on Dec 30, 2014

    This is a simple toy butterfly. It can flap its wings. The step by step instructions are given on how to make it. Inside it , there are, a small DC motor, two AA batteries and one easy to make astable multivibtator circuit.

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    How to make a fire breathing dragon head

    Published on Jan 13, 2015

    This is a dragon head made from sheet metal. It breathes real fire. As we are dealing with sharp metal edges and real fire safety is main priority. We should do it in presence of elders.
    An alcohol base perfume spray bottle along with a small candle were used to make the fire ball. This is a non-electronic project work. But if someone wants then they can add electronic part to make the jaw opening and the perfume bottle pressing mechanism using a servo motor. And instead of candle a high voltage stunt gun / spark mechanism can be used to ignite the fire.

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