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Control Arduino via USB OTG from Android

5 years ago By Daniel

This script allows Johnny-Five to run from a Termux terminal communicating with other Android apps or external devices by using the TCP protocol without root, without bluetooth and without the WiFi shield. The reason for the TCP protocol is that Termux still does not implement USB-OTG to Serial drivers and the vanilla Johnny-Five would hang right out the box because of this limitation.

Planet Position Calculator in JavaScript

5 years ago By Daniel 1 comment

Keplerian Elements for Approximate Positions of the Major Planets Based on the paper written by E. M. Standish, Solar System Dynamics Group JPL/Caltech

https://ssd.jpl.nasa.gov/?planet_pos

Code is also available for download on GitHub

Galaxy S8, S9 and S10 random battery drain

5 years ago By Daniel

If you note unusual/inconsistent battery drain in the Samsung Galaxy S8, S9 and perhaps S10 phones and there is no obvious apps draining the energy in the system power consumption tool here is the fix: