arduino teensy

 


 
You can run Windows 10 easily and thus use this operating system to play some games. Now, of course, you could hook up an ordinary gaming controller to the system and play like that, but if you later want to convert this setup into a Nintendo switch like hardware configuration, you got yourself a problem, since you would require controller inputs on the left and Right sides, and thus you would need to cut your game controller in half. One solution to this problem is to place a micro controller in the middle and then simply connect you buttons and triggers to it from the left and right sides. Sadly, though, the macro controller of my trusty Arduino, Nano does not feature a USB interface and thus cannot be easily utilized as a game controller. But luckily tons of my viewers advised me to have a look at the teensy development boards, which I did on their websites. The one which interested me the most was the teens ELC, not only because it features a native USB connection, but also because it is the cheapest teensie for only 11.65, which is, of course not as cheap as not. We know nano which you can get for 3, but as long feature list should make up for its rights, so in this video let’s find out how easy it is to program and what advantages it offers in comparison to the Arduino. Nano let’s get started Music. This video is sponsored by jl CPC beer, where you can order PCBs with any color you like, without paying any additional fees, so feel free to upload your Gerber files and order your PCBs for only 2.

00. When I ordered my teens ELC boards, I did not only receive the development boards, which was surprisingly even smaller than an Arduino Nano, but also this welcoming piece of paper. It not only tells us which pin serves, which function and also which commands is necessary to use them, but also that we should visit this URL to get started. So I did just that and what I found was a well explained, beginners guides and after reading, through all kinds of tutorials for the sport, I have to say that it is truly an easy to use microcontroller development boards. And if you still got questions after going through all the given tutorials, you can always ask in the teensie forum, but anyway, let’s start off by downloading the teens heed. We know application and installing it along, above all, the port libraries. I especially like that they got the LCD outlets and fast LED library, and, in addition, with the other included libraries, you can already build a ton of projects and, as soon as the installation was complete, we can open the already installed odd. We know idea to which now the teensy boards, as well as deported teensy library, scut edits at this point, I connected the teens ELC through mic, USB cable to my computer and started writing a simple blink led sketch, which, as you can see, uses these same commands As you would use them for now tree no port, once I was happy with it, I chose the teens ELC boards, but left all the other settings at their standard values and continued by verifying the sketch, which alpha successful year automatically opens the teensie loader.

It told me to push the button on the boards to manually enter the programming modes which I could have done, but instead I simply clicked upload in the arduino ide and thus it entered the programming mode automatically and, as you can see, our blink sketch works beautifully. Next I started the serial communication and used it to output the input state of pin 2, which, after uploading, connecting a wire to it and alternating its between the ground and 3.3 volt potential outputs, its state over the serial monitor of the arduino ide Perfect’s. But make sure to not use 5 volts as an input, since the tin zlc does not come with five full, tolerant inputs. It is also noteworthy that opens of the teensy feature: pull up resistors. Just like the arduino nano and speaking of similarities. You can pretty much use all the available commands of the arduino ide directly or for the teensie, which makes it super easy to use, but let’s continue it. Nevertheless, with the tests by creating a simple PWM signal, with a duty cycle of 50 at pin 3. As you can see, after hooking the pin up to the oscilloscope, we got our intended duty cycle of around 50, but sadly, only with a frequency of 488 point 3 hertz. The timer responsible for the signal is the FTM tool, which offers a maximum resolution of 16 bits and of a clock frequency of 48 megahertz. We should definitely be able to get better results than this.

The solution is to use the analog right resolution and analog right frequency function. As an example, I set the resolution to 12 bits and the frequency to 10 kilohertz and slowly increase the duty cycle, which now goes from 0 to 4 hours 95. Due to the higher 12 bits resolution. As you can see on the oscilloscope, the changed settings of the timer apparently increased the resolution, as well as the frequency successfully. But of course you cannot use a high resolution in combination with a high frequency, but if you want more information on that, then have a look at the linked teensie documentation. In the video description. The last analog right test I did was by creating a function that outputs sine wave values over 12 bits resolution on pin 26 now were for normal pwm pin. The output signal would look like this with a varying duty cycle, but the pin 26 outputs. This a beautiful 12 bit sine wave. The reason is that the teen zlc features a DAC or digital to analog converter, which is very useful for many projects, but moving on next, I hooked up a potentiometer to 3.3 volts on one sides and ground. On the other side, while I connected the middle pin tune analog inputs by once again using pretty standard Arduino functions, I was able to output the changing voltage at the analog pin through the serial monitor. But once again, this was only a 10 bit value, even though the ADC or analog to digital converter supports up to 16 bits.

This solution was to once again alter the resolution with the analog redress function, which worked like a charm. Next, I set up an interrupt on pin tool of the teensie which activates when the pin gets pulled to ground and all it does, while doing so is outputting the were triggered over the serial monitor after uploading. You can see that by connecting the pin do grounds the function gets executed successfully and best of all, you can attach an interrupt to pretty much opens of the last but not least, I wanted to create a precisely timed events like I sometimes do in my Arduino Projects by utilizing the timer registers of the atmega328p microcontroller, of course, for the teens year, we could use those registers as well, but to keep it simple and beginners friendly year. We can also use the metro library to, for example, turn an LED on for 1 seconds and then turn it off for precisely 250 milliseconds. As you can see after uploading, the LED it does just dance, but of course you could use the provided timer libraries of the teens year to even execute timer interrupts easily. At this point, we could go on by having a look at every single library year for the teens II or play around with the touch functionalities of the board. But that is not really necessary, because you should already understand that the teensy boards are the easiest to use arduino alternative i ever came across, and defects that they are also quite powerful, which you can see in this chart makes those boards even more appealing.

So to end this video let’s get back to the game controller problem by adding two buttons and a joystick to the teens year, digital pins and analog inputs. By utilizing the joystick commands of the board’s i assigned the x axis to the analog stick and a button number to each digital inputs. Afterwards, i simply selected the USB type as a joystick and uploaded decodes, and just like that, my teensy board got recognized as a game controller, which means I can get back to working on my projects, and you know that the teensie is an awesome development platform.

 
 

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official.arduino
2019-10-02T19:32:52+0000

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official.arduino
2019-10-02T19:08:01+0000

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YouMakeRobots
Sat May 26 09:11:15 +0000 2018


Cool > I spent the past few weeks writing a version of Tetris to work on a Teensy 3.2 with a SPI Screen. I am very pleased with how it turned out and will be trying to write some more games for it in the future. https://t.co/O5MoyQT235 #arduino https://t.co/U9KiuHVyhY <Arduino https://t.co/4DDJL3QB2c

https://t.co/O5MoyQT235

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ItyuJ
Sat Apr 30 08:59:50 +0000 2016


@Renato_tech_ @watasihakodama Arduino IDE側からTeensyを追加してあれば、VSCodeの方ではほかのArduinoボードを選択するのと同じ要領でいけるはずです

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Comment (25)

    1. How does it handle fast interrupts for example those coming from a rotary encoder attached to a motor? Arduino has this bad behaviour of skipping/not acknowledging interrupts if the interrupt generated is too fast…this was also because Arduino had a clock speed of 16MHz…with 48MHz, does that perform any better?
      Secondly, I wanted to ask about code latency…what is the latency produced due to the code itself? I’m guessing it is less but that caused problems in my Arduino too. Please reply.

    2. And the interrupts I mentioned are pretty fast….assume a 120RPM …i.e. 2 RPS motor and 60 spokes/revolution…. that’s 120Hz: the rate at which the interrupt is being called every second…and this happens to be too fast for the Arduino. I want to know if this can handle it to a better extent?

  1. Scott, the way you describe yourself is somehow repelling to us (Indian Bengali’s.We are very soft sublime variety,who hate to boast) Though we are not Christians, Christ is great, Newton is great, but I do agree after watching the post on teensy ,I am ready to accept you as great .And I do believe rest of our fellowmen will agree.
    An totally failed engineer Aloke

  2. The major issue is the Arduino IDE. It is just so much overhead. Basically you are not programming the microcontroller , but at high level – glueing libraries together.

  3. I used to work for ARM, supporting Cortex M software developers. It’s good to see a Cortex based platform for “casual” developers.

  4. As an arduino fan, I would have thought he would pick up a Pro Micro, but nope, let’s bring the big guns. Haha Scott

  5. Wonder how the Teensy compares to the ESP32 boards from an I/O perspective. It can’t hold a candle to the Cpu speed.

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