In this episode, I show you a simple trick to move a sketch from a pdf into an Arduino sketch. He example is taken from Arduinos without Tears You can purchase this book from Addie Rose Press here as a pdf, kindle or paperback. This trick can turn any soft copy like a word doc or a pdf or even a blog post, into a code delivery vehicle. All we will do is literally, copy…
Category: In the Lab with Eric
Episode 006 In the Lab with Eric: Arduinos Without Tears
In this episode, I introduce you to my new book, Arduinos Without Tears You can purchase this book from Addie Rose Press here as a pdf, kindle or paperback. As an ebook, you will have access to the video links and can copy the code from the ebook and paste it into blank sketch. This is the simplest and lowest cost starting guide to the Arduino. It doesn’t get any easier than this. I designed…
Episode 005 In the Lab with Eric: Getting Started with the AD2 Scope
In this episode, I walk you through a quick start using the Digilent Analog Discovery 2 scope to measure a few Arduino signals. Here is the scope we will use today. The first step is download the Digilent Waveforms software from here. When you start up the waveforms software with no scope attached, you can use your sound card in your PC as a scope to analyze sound signals. See this article I wrote in…
Episode 004 In the Lab with Eric: A simple way of testing LEDs
In this episode, I show you a simple way of direct driving an LED with Arduino pins that won’t harm the Arduino and won’t harm the LED. It is very useful when checking to see if the LED is really working and what color it might be if clear. This experiment requires the following parts: Arduino DMM 9 V supply Jumper cables Check the links to see my recommendations where to purchase these. You can…
Episode 003 In the Lab with Eric: A simple to use low-cost digital panel voltmeter
When I build a solderless breadboard, I like to have an indication of when power is applied, and even better, what the voltage is when the supply is connected.
Episode 002 In the Lab with Eric: Measuring the Arduino’s Digital Signals’ Figures of Merit
Summary: In this episode, we explore the timing of the digitalWrite commands and its important figures of merit using the Digilent Analog Discovery 2 scope. We find: The rise time is shorter than what we can measure, 10 nsec. The delay() function gives a very accurate delay turn on or turn off time The shortest on or off time we can get is about 4 usec. To turn on faster, we need to use the…
Episode 001 In the Lab with Eric: Using the Arduino as a DC voltage source
We can use an Arduino Uno board as a power source. It will transform the geometry of the power barrel jack or the USB connector into sockets we can use with jumper cables. These will easily plug into and power solderless breadboard projects.
A Low Cost Ultra-bright LED kit.
If you love LEDs, and who doesn’t, you sometimes want the brightest you can find. For less than $2, you can purchase this assortment of 100 ultra-bright LEDs in five colors, from AliExpress.
A Must-Have Kit- LED Accessories
Every experimenter should have this LED accessory kit. The typical price is about $2.50, shipping included. They are so cheap and useful, I always have a few of them in my lab ready to grab for quick experiments. When I am looking for an LED or switch or jumper wire, this is my goto kit.
A Low Cost LED Kit
Here is a simple, low cost LED kit with 100 multi-color LEDs. Enough to last many projects.