[Sticky] Components & Programming

hi im new at this was doing the rtc temp humid project which prints to serial monitor was wondering how do i modify the sketch to print to lcd display i have a 16x2 display on i2c bus to arduino uno my temp humid sensor is an AM2320 and my rtc is DS1307 tiny rtc thanks all

@chris

Hi Chris,

Have a look at the LiquidCrystal library included with the Arduino IDE. Bill has a tutorial here on it:

Scott

@triform

thx triform get on to it now

@chris

The first thing you need to do is put this in its own topic. This is just a welcome splash sheet!

Back here again is the code for the motor controller on github yet I need the for loop

Here is SD card with record and play back sketches left record right playback the arm on duce robot has 4 servos fine but I want 2 for the claw working in unison so I just use the same pin out ? I hope so.

This just arrived let's see what this thing can do I think it will work well for navigation what are your thoughts on this ?

@duce-robot

I'm hoping to pick one of those TFMINIs up myself along with a Jetson Nano.   Still waiting to sort through the financial situations first. ? 

But yeah, from what I've heard that TFMINI should be really accurate for navigation.

@robo-pi

Yes me to I just took the plunge any way the Jetson probably maybe will be last this is plenty with trying to hook up the digram you illustrated and ros read into that which left me looking up at the surface of the water 200 feet above me lol the node MCU 8266 love it just got it set up .what an example library!!! I hope bill doesn't take off and leave me in the dust ....to fast anyway this is why I went with infrastructure first  I knew this would be the hardest part I have learned here that it is all in the system the same system runs a micro robot as a giant robot one last thing can I use 1 k  2 k  or 5 k pots for a servo SG 90 its all I have left .? 

Posted by: @duce-robot

I hope bill doesn't take off and leave me in the dust ....

Me too.  I like to try to take full advantage of the low-end stuff.  Like a TFMINI instead of the full-blown 360 degree model that costs 3x more.  I don't plan on having a robot  the moves so fast that it needs to know everything that's going on 360 degrees around it instantly.

You're in the same boat with me as you don't plan on having Duce run around the house at warp speed.  So that TFMINI should  be more than sufficient to provide you with all the navigation data you'll ever need.

I do have some far-range plans for my robot to eventually go outside on a base that will be powered by a lawn mower engine.  When I get to that point I might consider the 360 degree LIDAR.  But that's a long way off.  I don't even have my robot roaming around the house yet at normal speeds.

In fact, I'm waiting for Bill to put out the next DB1 series video and I've been praying to the Robotics Goddess that he'll be covering the motor control circuits in more detail since that's where he left off before the Jazz Festival.

Bill's probably hanging around with a bunch of Jazz women and that's why we haven't see a lot of him lately. ? 

@robo-pi

I do have a video I just posted on YouTube with duce moving with interrupts and 5 volt relay but not far since I only have 4 feet clearance on any side I do have some ideas about that cytron motor code it seems very easy to write to.... We be liken that ! The robot with the Briggs Stratton is going to be a beast . sounds like a big project  . it would be cool patrolling the perimeter.

A shot of the tf mini on its servo

Posted by: @duce-robot

The robot with the Briggs Stratton is going to be a beast . sounds like a big project

I'm planning on converting it to propane just so I won't need to mess with liquid gasoline.  Like I say, that project is far off in the future.  At the very earliest I might get it up and running by next summer.  I am working on the chassis right now, but it has a long way to go, and it's not the only project I'm working on.

Posted by: @duce-robot

A shot of the tf mini on its servo

Look'in good.   That what I plan on doing with a TFMINI too.  I'll just use it to take several readings in slightly different positions and see if I can map out a course forward from that.   But I don't even have one yet.  I was going to wait until I get the Jetson Nano, but I suppose I could use the TFMINI with a Raspberry Pi, or even an Arduino for that matter.

Those are the kinds of videos I'd like to see from Bill.  Ideas for how to employ really accurate sensors using simple    SBCs or microcontrollors.   We already know we can run it out of the box on a Jetson Nano.   But can we take advantage of a TFMINI using an Arduino?  Or with a simply Python program on a Raspberry Pi?

That's what I want to know.

What are you going to be using  your TFMINI with?  I'm guessing you'll use your Panda?   Did the TFMINI come with software?

See, I really don't know much about it at all.   I'll need to get one and start playing around with it.