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Generate Modbus Reader and Writer for RuiDeng DPS

May 07, 2019

Generate Modbus Reader and Writer for RuiDeng DPS

While working on a steering mechanism for my robot, I wanted to record the current draw of the motors. The data would give me a rough idea about the friction in the mechanism so as to decide whether I need a different motor controller or different ideas. How can I go about collecting the data?

Custom Protocol for Serial Link Communication

January 09, 2018

Custom Protocol for Serial Link Communication

After spending your time on learning advanced “hello world” tutorial of some third-party library, and trying to code something more useful, you hit your first problem. Scavenging the internet for help on seemingly simple issues burns more of your precious time with little return. You think - there has to be a better way to move your project along.

IR Sensor ADC trigger, Median Filter, Analysis

December 18, 2017

IR Sensor ADC trigger, Median Filter, Analysis

Have you thought of how to filter the data coming from an analog sensor? Why do you even want to filter that data? Should you use arithmetic mean or median? Why can’t you just grab a sample from Arduino::analogRead() and be done with it?