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Wednesday ,April 21
Hello everyone, welcome back to this your favorite profile of "improvising with electronics", just kidding, well this week was a little more interesting than the previous ones and by interesting I mean that it was very challenging, starting with the move From the FabLab to a new place and with the challenge of fulfilling the assigment with the materials that I had at home, join me to see this medley of trial, error and much more.
The challenge
For this week's mission, it was asked to connect our board to an output device or also known as actuators, following the line of the previous mission in which I made the breathalyzer (see it here) and taking into account that I have fewer and fewer weeks left. (I swear to you how time flies, sometimes it scares), it is time to connect an OLED screen to my motherboard, however on the way I resolved that I do not need a super microcontroller to do that activity, that is why I used our dear Attiny85 (I swear to you, I love this microcontroller) so that it can connect with a 128x64 dimension Oled screen, so that it is something similar to this:
Do you want to know how I did it? Join me to see it.
The components
Only a couple of components will be needed for this mission
For this mission the components are almost the same from the previous mission or from week 4 in electronic production, however I will mention them right now:
-Attiny85:
-MQ3 sensor :
-OLED SSD1306:
Initially these are the most important components, however if you want to do some programming tests you will need some additional components in case you do not have a board for the attiny85, these are the following:
-Mini Breadboard
-Usb male A
-Res 220 ohms x2
-Res 1k ohms x1
-Jumpers
These will be for the assembly of the attiny programmer (it is only necessary if you do not have an attiny programmer), there are other ways to program the attiny85 such as connecting it with another arduino through ISP or through the ICSP pins, which you can review here.