John Deere Z355R Sputtering
Start of a new season and time to service the lawn mower. https://www.deere.com/en/parts-and-service/zero-turn-mowers/residential-eztrak/z355r/ The annual service kit comes with Oil,…
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Cozmo Maze
The maze in the picture was a leftover from another project. What better use to put it to than have…
Electrical Applications, quiz 0001
Look at the following circuits. What will happen when the switch is turned on: Simple LED, resistor and battery 2.…
Electrical Applications, Potentiometer
A Potentiometer (pot) is a resistor that can be both fixed and varied, also known as variable resistors. A typical…
NPM Raspberry Pi Zero onoff and Closures
Using a Pi Zero to monitor some input pins, a change on the input will trigger an event. This is…
Pi Zero W read GPIO with nodejs 10
The Pi Zero W uses the arm6l architecture. For node v10 the zip file can be found in this directory,…
Makeblock Starter Robot: Temperature Reading
The Makeblock Starter Robot comes with an Arduino derivative called the Orion. This board is similar to the Uno but…
Tracking the sun location
This really useful web application shows the position of the sun at a location at any time of day or…