Chromebook Pixel 2013 and Cozmo
The examples and SDK for working with Cozmo are Python based. https://github.com/anki/cozmo-python-sdk/tree/master/examples/tutorials We have a couple of Google Chromebooks, one is the 2013 Pixel and one a newer Pixelbook. With….
Read More →Getting started with Cozmo
Cozmo is a little toy robot with a python SDK. The setup is a little quirky, but nevertheless fun. The Cozmo app on the mobile deivce communicates with Cozmo….
Read More →Printing in Python 2.7 versus Python 3
In Python 2, it is a special statement and Python 3, print is a function. Python print “tj” The output is tj Now in Python 3, you have to use….
Read More →Electrical Applications, quiz 0001
Look at the following circuits. What will happen when the switch is turned on: Simple LED, resistor and battery 2. Simple LED, resistor and battery 3. Simple LED, resistor and battery….
Read More →Electrical Applications, Components, Values and Units
Resistors https://en.wikipedia.org/wiki/Resistor Resistors are measured in Ohms Ω. They are used to limit the current that flows through the circuit. Resistors mostly come in a fixed numeric. 1, 1.5,….
Read More →Electrical Applications, Resistor Color Code
How do you identify a resistors value if you don’t have a multimeter available? Each resistor has a band of colors. These bands identify the value in Ω as well….
Read More →Electrical Applications, 555 Timer
The 555 is our first steps into chips. The 555 is a timer chip, this means that it will ‘tick’ like a clock. We will use this to turn an….
Read More →Electrical Applications, Potentiometer
A Potentiometer (pot) is a resistor that can be both fixed and varied, also known as variable resistors. A typical Potentiometer: https://www.adafruit.com/product/356?gclid=Cj0KCQjwu_jYBRD8ARIsAC3EGCJ5JS4kSB1WgJjxSOwnekQ925ZnsxyONZT5ODQkNDcvyr0QBmkxM20aAgm7EALw_wcB
Read More →Electrical Applications and the Transistor
Looking at Electrical Applications we will focus on various aspects to learn. This one covers the transistor. In its simplest form, a transistor acts like a switch. Electricity will flow….
Read More →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 using NPM onff (https://www.npmjs.com/package/onoff). The example code with a button….
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