Search found 45 matches

by scotta
Thu Apr 12, 2018 7:00 am
Forum: Microview Support
Topic: Alive but not responding
Replies: 3
Views: 3580

Re: Alive but not responding

It looks like avrdude is expecting the programmer to be on COM1 but it's on COM8. Have you selected COM8 as the port in the Arduino IDE?
by scotta
Sat Jan 27, 2018 4:42 pm
Forum: Microview Support
Topic: Re-display SparkFun (or other) logo?
Replies: 2
Views: 668

Re: Re-display SparkFun (or other) logo?

Unfortunately, the logo is provided as initialisation data for the screenmemory[] array that buffers the screen data in RAM. Once this logo data is overwritten by your own display data, it's lost. The logo data is still somewhere in program memory, but I can't think of a way to access it.
by scotta
Tue May 16, 2017 8:14 am
Forum: Microview Support
Topic: Voltage conversion
Replies: 1
Views: 654

Re: Voltage conversion

Your message is confusing. How is a SparkFun MicroView involved with what you're trying to do?
by scotta
Thu Apr 06, 2017 9:09 am
Forum: Microview Support
Topic: The doubts about using pic16f887 to capture speed
Replies: 2
Views: 941

Re: The doubts about using pic16f887 to capture speed

How is this related to the Sparkfun MicroView, which is what this forum category is meant to provide support for?
by scotta
Thu Feb 23, 2017 7:13 am
Forum: Microview Support
Topic: Connecting Microview to Wyliodrin
Replies: 3
Views: 1103

Re: Connecting Microview to Wyliodrin

That guide explains how to control an Arduino Uno connected to a Raspberry Pi. The Pi is then controlled by Wyliodrin. If this is what you want to do, then you just have to follow the guide but use your MicroView in place of the Arduino Uno. You will need to load the Arduino.ino file into your Micro...
by scotta
Wed Feb 22, 2017 7:43 am
Forum: Microview Support
Topic: Connecting Microview to Wyliodrin
Replies: 3
Views: 1103

Re: Connecting Microview to Wyliodrin

According to all the information I've found, Wyliodrin only supports the Arduino Yun. Since the Microview is based on the Arduino Uno there probably isn't any direct support for it.
by scotta
Sat Mar 12, 2016 5:46 am
Forum: Microview Support
Topic: How do you invert text on the display?
Replies: 4
Views: 1811

Re: How do you invert text on the display?

OK, I just tried it. Just using setColor(BLACK), before writing, should do what you want. Remember to use setColor(WHITE) to return to normal mode.
by scotta
Sat Mar 12, 2016 5:23 am
Forum: Microview Support
Topic: How do you invert text on the display?
Replies: 4
Views: 1811

Re: How do you invert text on the display?

I haven't tried it, but I think using some combination of setColor() and setDrawMode() , before writing your text, should allow you to write inverted text, or any other object. You may find that the area that you want to write to has to be cleared or inverted before writing the text. You could do th...
by scotta
Tue Dec 29, 2015 9:18 am
Forum: Microview Support
Topic: Microview - ML8511 interface voltage problem
Replies: 1
Views: 2898

Re: Microview - ML8511 interface voltage problem

Having 3.44V for the ML8511 supply shouldn't be any problem at all. The recommended operating voltage of the ML8511 is from 2.7V to 3.6V. If you hook up things according to the sketch, applying the same 3.44V to A1 for a reference, then the accuracy won't be affected. The 3.44V output of your supply...
by scotta
Thu Nov 12, 2015 3:50 pm
Forum: Microview Support
Topic: Microview and Timers with attachInterrupt
Replies: 8
Views: 2876

Re: Microview and Timers with attachInterrupt

I don't know of any direct comparisons between the MicroView and an Arduino Uno. The pinout for the MicroView is can be found here: http://learn.microview.io/Intro/general-overview-of-microview.html and a schematic is here: https://cdn.sparkfun.com/datasheets/Dev/Arduino/Other/MicroView.pdf A simila...
by scotta
Thu Nov 12, 2015 9:23 am
Forum: Microview Support
Topic: Microview and Timers with attachInterrupt
Replies: 8
Views: 2876

Re: Microview and Timers with attachInterrupt

One more thing. You are missing pinMode() functions to set the pins to outputs. void setup() { uView.begin();// begin of MicroView uView.clear(ALL); // erase hardware memory inside the OLED controller uView.display(); // display the content in the buffer memory, by default it is the MicroView logo u...
by scotta
Thu Nov 12, 2015 9:05 am
Forum: Microview Support
Topic: Microview and Timers with attachInterrupt
Replies: 8
Views: 2876

Re: Microview and Timers with attachInterrupt

I found the problem. It's not obvious. You are using pin 4 for myStep . Pin 4 is used to enable the 3.3V regulator that powers the display. When your interrupt routine set pin 4 LOW it powered off the display. Even setting pin 4 to HIGH would not make anything appear on the display because it is not...
by scotta
Thu Nov 12, 2015 7:54 am
Forum: Microview Support
Topic: Microview and Timers with attachInterrupt
Replies: 8
Views: 2876

Re: Microview and Timers with attachInterrupt

I added uView.display(); to the end of loop() but it still didn't display anything. I experimented and found that it works if you remove //digitalWrite(myStep, paso ); from the interrupt routine. I don't know why this causes a problem. #include <TimerOne.h> #include <MicroView.h> #define myDir 3 // ...
by scotta
Thu Nov 12, 2015 7:16 am
Forum: Microview Support
Topic: Microview and Timers with attachInterrupt
Replies: 8
Views: 2876

Re: Microview and Timers with attachInterrupt

I don't see any uView.display(); in your loop() function.