Getting code off an Arduino

Preamble

A friend asked:

is it possible to upload source code from chip to the computer?

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CH340 on OS X

Preamble

I wrote a long winded post that did not really answer the question, Can’t connect Cura to my Anet A8 on OSX 10.11.6, but rather catalogued my search for a solution to my own problem.

With respect to this post Should I clean up my answer?, I decided to delete my answer and keep the information here, in this article.

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Audio Oscillator in AVR

Preamble

Having tackled the AVR Timers and Interrupts to make a Noise Chip for the BOSS DR-110 in the article Noisey chips, I now feel confident to take on and answer this question on Stack Exchange, Program an ATtiny13 as an audio oscillator with variable frequency and pulse-width. The added bonus is that it can be used to create an Atari punk Console (APC)-esque device.

Initially I will use an ATmega328…

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0.91″ SSD1306

Preamble

I bought this, 0.91″128×32 IIC I2C White DIY OLED LCD Display Module 3.3V Fr PIC Arduino Hot im and connected it to an Arduino Mega, SDA/SCL/GND and connected to 5V and thought that I had broken it…

It turns out that I hadn’t, and only the very first versions of this display are 3V3 sensitive. However, finding a library to work was a bit of a task, and a small library, that doesn’t gobble up all of the Arduino’s memory, is even harder to find.

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GhettoVaper – an extended GhettoVape III

Preamble

Following on from Vaping – Box Mods, I decided to extend the GhettoVape III sketch, which was posted by Julian Loiacono:

Continue reading GhettoVaper – an extended GhettoVape III