Archive for January 2017

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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Precise GPS GNSS positioning with a Raspberry Pi and the RTKLIB – configuration RTKLIB base station

Jan 3rd, 2017 | By

In the previous article described how to install the software for the RasPiGNSS module. After installing the software a short check was performed that the Raspberry Pi together with the RasPiGNSS GPS receiver is working in general. This article describes how the base stations for the precise GPS positioning setup has to be configured. The

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