Robot cars

Big Rob – motor driver BTS7960B

Jan 12th, 2017 | By
Big Rob BTS7960B Motor Driver 43A H-Bridge wired

First I tried a small H-Bridge with 2.5 A to supply the DC motors with energy. But this type of motor driver was too small at that point the robot tried to turn on spot the motor driver burned out. Then I bought an upgrade for my Big Rob and now I am able to

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Big Rob – power train

Jan 10th, 2017 | By
Custom-Build-Robots-Big-Rob details

This article describes the components I build by myself or I bought for the power train. The power train are all components the robot needs to mount the big buggy tires and to get the tires spin. The DC gear motors are very strong and that’s the reason why the power train has to be

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Big Rob – A Raspberry Pi powered robot

Jan 3rd, 2017 | By
Big Rob front view

Big Rob is the latest robot I designed for off-road activities. The robot will be equipped with the latest technology like a precise navigation with the differential GPS architecture I built up. You will find more details about the differential GPS setup here. The big buggy tiers enable the robot to drive off road and not to

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Finding Lane Lines on the Road

Dec 9th, 2016 | By
lane line drawn

Today I optimized my function to detect lane lines in a video. The video I used to test the latest version of my algorithm was recorded 2009 during a road trip together with FGordon. The video is very difficult for my setup because the quality is low and the lane lines are bleached frome time

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Raspberry Pi robot with mecanum wheels

Nov 23rd, 2016 | By
Raspberry Pi robot with mecanum wheels front

Last year I stated with the disc box robot. The brain of the robot is a Raspberry Pi 3 Model B with Raspbian Jessie. The robot uses mecanum wheels to drive around which are very special wheels. With the mecanum wheels the robot is able to strafe – move from side to side. Each wheel needs

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Raspberry Pi self-driving robot-car

Jun 29th, 2016 | By
Raspberry Pi self-driving car 13

After two years of work I finished my self-driving robot-car. The robot is able to navigate and to autonomously drive around in the garden. It is equipped with different sensors and the combination of the sensors information enables the robot to drive around. The first self-driving robot was the Discoverer which is equipped with a

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Robot with mecanum wheels

Apr 23rd, 2016 | By

Today I finished my Floppy Disc Robot with mecanum wheels. This robot is a homage to the floppy disc beams the floppy disc into the new century. Actual the robot is powered by four DC motors and a Raspberry Pi 3. A single L298N H-Bridge is used as motor driver. This is the reason why

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Raspberry Pi self-driving robot

Mar 16th, 2016 | By
custom build robots self-driving robot

This post is about my self-driving robot car project. The idea was to build a robot which is able to drive around without crashing into the walls and furniture of my flat. The robot uses a Raspberry Pi 3 as control unit and sensors to scan the environment. All the Python programs developed to steer

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Raspberry Pi – controlling servo motors

Feb 11th, 2016 | By
Servo motors

This post is about controlling two servo motors with a Raspberry Pi. You can buy cheap pan & tilt kits or build one by yourself. I bought a pan & tilt kit for my robot-cars and build one kit by myself with two servo motors and a cardboard tube. To build the security-robot I used

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Discoverer remote controlled robot with a Raspberry Pi

Dec 30th, 2015 | By
Discoverer with gps antenna

The Discoverer is a remote controlled robot-car based on a Raspberry Pi. The Discoverer is the biggest robot-car I build. The robot is equipped with a metal detector, a pan & tilt Raspberry Pi camera and a Raspberry Pi Sense-HAT with a magnetometer and gyroscope. I developed the robot as an early beta model for

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