Posts Tagged ‘ Raspberry Pi ’

Precise GPS GNSS positioning with a Raspberry Pi and the RTKLIB – XBee serial data transmission

Feb 2nd, 2017 | By

With an XBee module different network topologies could be setup. I only use a direct connection between two XBee modules for my differential GPS setup. This connection mode is pre-configured and works out of the box without any configuration from your side. It is possible to configure the for example the network name. This is

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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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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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ZeroBorg – motor controller for your RaPi Zero

Jun 30th, 2016 | By
ZeroBorg motor controller - robot-car

Today (2016-06-30) I got my ZeroBorg from The motor controller is very small, fits on top of my Raspberry Pi ZERO and is perfect for my robot idea I have in mind with mecanum wheels. The ZeroBorg can control up to 4 motors independently. This enables a robot to drive with Mecanum in any

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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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security robot

Mar 16th, 2016 | By
custom build security robot

The idea is to build a cheap and modular security robot as a Do-it-Yourself project with a Raspberry Pi as the brain of the robot. The robot will inform you over internet if an intruder is detected in your home. The robot will take pictures and videos from the burglar. Depending on the internet connection

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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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Sense Hat Raspberry Pi robot

Jan 22nd, 2016 | By
Raspberry Pi robot Sense Hat

Today I started with the developing of a Raspberry Pi powered security robot with the Raspberry Pi Sense HAT. The Sense Hat is ideal for small do it yourself robot projects. The Sense HAT is equipped with a LED matrix and a teeny joystick. With 6 sensors on top of the Sense HAT you could

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