esp8266/Arduino

Arduino IDE for ESP8266

Stavros Korokithakis

@skorokithakis

just define the vars

here:

https://www.pastery.net/tchbgy/

stick that in build.sh

i use it to avoid defining my secrets in the file

basically this q/a is making me realize i should make this a proper framework with a readme that people can clone and use

geman220

@geman220

But then you wouldn't have to sit in a chat all day answering Q/A! =)

Stavros Korokithakis

@skorokithakis

haha

skorokithakis @skorokithakis runs off quickly to write the framework

geman220

@geman220

Other than defining the var in build.sh to avoid having passwords / information in the main.ino is there any reason to do it? I ask because since I am just starting out I like to keep things together in one spot as best I can, it helps me understand the logic and flow. Once I am more comfortable with what I am doing I then split out things into includes etc.

When I was learning YAML for HASS I had one really long 2000+ line config for like 2 months until I was comfortable with what I was doing. Then I split everything up so it's actually manageable now, for example.

Stavros Korokithakis

@skorokithakis

no, no other reason

i just like to publish my code and secrets in the code were non-great

plus this way i can reuse the code

geman220

@geman220

Yea makes more sense. I'll clean it up once I'm more comfortable with what I'm doing.

I went ahead and setup Mosquitto to make things easier and migrated my device tracker over

I'm not certain but just publishing to a topic also creates the topic correct? So really now that I have Mosquitto up and running and working I don't need to modify anything I can just let the publisher create the topic blinds/command

Stavros Korokithakis

@skorokithakis

yeah, just publish

you can also listen to things like

blinds/#

and it will listen to all messages under blinds

geman220

@geman220

Okay, now the waiting game to get my ESPs =(

Stavros Korokithakis

@skorokithakis

yeah, that's always the worst part :/

geman220

@geman220

So if I remove the potentiometer just to do a basic proof of concept, I should be able to set a delay then stop the servo after the delay correct?

Stavros Korokithakis

@skorokithakis

i am not sure at all about that

possibly?

geman220

@geman220

Ha okay I'll look around online

Michael Miller

@Makuna

@geman220 using timing is not a safe approach, you really need sensors and stop on sensor. Voltage variance will effect the speed of the servo.

geman220

@geman220

=( more complexity

Michael Miller

@Makuna

if you are using unmodified servos, then it has an internal sensor for position so you can set it and forget. If you disable the internal sensor for continuous mode, then you need external sensors.

geman220

@geman220

Okay so I just need a continuous servo

Michael Miller

@Makuna

continuous servos either ignore the internal sensor or have it disabled when shipped, so you then have to have an external sensor.

CHAE-PIL LIM

@chaeplin

https://twitter.com/mydailyview/status/722476960761249793 It's direct image posting. Just for fun. esp-01 to twitter.

geman220

@geman220

So essentially there is no way turn open/close blinds unless I get some sort of other sensor to tell it when to stop turning

Unless by some miracle 180 degrees is enough

Michael Miller

@Makuna

@geman220 well, close to correct. More precisely, if a servo with internal sensor does not support the range of motion you need, then you will need external sensors. There are servos that do extended ranges and often most will do 200 degrees. To use them, you will need to then use the writeMicroseconds() method instead. The servo library is written to compatible with the normal Arduino library, so you can use their docs for reference.

geman220

@geman220

Oh well that makes me feel much better =]. I'll probably look into getting servos that go up to 200 and use the method you mentioned.

Michael Miller

@Makuna

@geman220 Yours may already go to 200, try them with the writeMicroseconds() first.

geman220

@geman220

@Makuna so instead of myservo.write(180); do myservo.writeMicroseconds(200);

I just looked my servo up it moves 180

Stavros Korokithakis

@skorokithakis

so i want to make this boilerplate framework for the ESP and i need a place to put my settings

what's a good place for that? something like settings.h?

i'm afraid my C knowledge isn't great

Stavros Korokithakis

@skorokithakis

can i #ifdef an include?

Michael Miller

@Makuna

@geman220 Review the Arduino Servo Reference. you are setting the microseconds, not angle. These are the helpful values ...

#define MIN_PULSE_WIDTH       544     // the shortest pulse sent to a servo  
#define MAX_PULSE_WIDTH      2400     // the longest pulse sent to a servo 
#define DEFAULT_PULSE_WIDTH  1500     // default pulse width when servo is attached

When you "attach" the Servo, you can provide your own min and max like

Servo.attach(pin, 500, 2500); // use an extended range

Keith Andrew Hill

@vic10us

Anyone know a good place to get nema 17/23 steppers in or around Montreal?

Jeeth Suresh

@jeethsuresh

hey guys! quick question - in the ESP8266WiFi class the object WiFi is defined externally

where is that defined?

Martin Ayotte

@martinayotte

in 2.2.0/libraries/ESP8266WiFi/ ...

Jeeth Suresh

@jeethsuresh

right, but if I wanted to dynamically assign channels to the SoftAP when I'm generating it for my mesh network, where would I go to change the code to let me do that? Or am I thinking of this wrong?

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