Recent Posts

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TiddlyBot Discussion / Re: Software Source/Program Description
« Last post by xurizaemon on February 08, 2016, 12:49:36 am »
I've started an attempt to understand the code on the TiddlyBot image, and writing up a post describing what I see there.

I'm pretty new to this, so ... well, just don't take anything I say as gospel OK?

I'll post my writeup soon (sorry, I keep finding new things!). For now, here's the code found in /home/pi/tiddlybot/tiddlybot. This is a modified version of ArduBlockly, so I've forked that upstream repo then applied the TiddlyBot changes to give a little sunlight on what's changed.

* https://github.com/xurizaemon/ardublockly/tree/pibot

TiddlyBot team, if you've preserved your work in an SCM then those commits will probably be a LOT more informative than my method here. Please do let us know if there's anything you can share!
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TiddlyBot Discussion / Re: Complete List of Blocks/Commands
« Last post by xurizaemon on February 08, 2016, 12:45:31 am »
The TiddlyBot Blockly interface is generating DiscoveryBot API commands, so you can refer to that.

* http://discoverybot-api.readthedocs.org/en/latest/

The interface is a modified version of ArduBlockly, with support for the various blocks that work on TiddlyBot board (rather than what's supported on Arduino boards). Looking at what ArduBlockly offers will give a good idea of what's possible, though some elements differ (eg in TiddlyBot it looks like you use Servo.set_normalized_angle(90) to control the camera position; in Arduino this would be Camera.angle(60)).

* https://github.com/carlosperate/ardublockly/tree/master/ardublocklyserver

The modified version of TiddlyBot's Blockly (from v1.1) is at https://github.com/xurizaemon/ardublockly/tree/pibot (this is my copy of the code found on the image).
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TiddlyBot Discussion / Re: Camera servo "twitches" on startup
« Last post by xurizaemon on February 06, 2016, 10:32:32 pm »
Having read some of the controller code for this I now believe the camera is on a servo which has fixed positions (rotate to x, where 0 > x > 120), while the wheel drive motors are motors. So I probably just need to zero the servo before mounting the cam.
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TiddlyBot Discussion / Camera servo "twitches" on startup
« Last post by xurizaemon on February 01, 2016, 07:23:43 am »
At boot, the camera servo on my TiddlyBot rotates down about 30ยบ. I also see strange behaviour at times from the remote control interface, sometimes the camera up/down controls make it rotate quickly in the wrong direction.

I then need to manually rotate it back to have the camera in the correct position.
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TiddlyBot Discussion / Re: Mod My Tiddlybot
« Last post by xurizaemon on February 01, 2016, 07:19:27 am »
I love this! You've got me thinking about ways to modify the current wheels so that I don't need to remove one to plug a direct power supply in (or, some HDMI cables).

Increasing the space between the Pi board and the wooden frame that the running gear are on would also do this I guess, and it'd only take a small increase. So would wheels the size you show with gaps, or even a small cut-out on the existing wooden wheels.
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TiddlyBot Discussion / Re: Change from Change from access point to local ssid?
« Last post by xurizaemon on January 31, 2016, 02:35:47 am »
There are some updated docs on pibot.org I think so if you haven't seen http://pibot.org/how-to/basics under "reliable wifi" tab then make sure to read that first :)

This is what I did (based on the v1.1 image (http://www.pibot.org/tiddlybot/images/) which ships with hostapd active), it's a bit different from the instructions there but ultimately much the same.

* disable hostapd start scripts
* edit /etc/network/interfaces, add wpa supplicant entry and switch wlan to DHCP
* edit /etc/wpa_supplicant/wpa_supplicant.conf, set wifi ssid / password

as per https://gist.github.com/xurizaemon/f2278b3febe45699f4a2

Worked for me - good luck!
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TiddlyBot Discussion / Re: Mod My Tiddlybot
« Last post by Chris on January 20, 2016, 08:57:13 am »
They are actually some wheels of a car that I glued to the original wheels for proof of concept. It fixed the turning while straight away. I found it goes crooked because it is slipping on the surface.
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TiddlyBot Discussion / Re: Change from Change from access point to local ssid?
« Last post by joncollins on December 25, 2015, 10:39:01 pm »
I know but it doesn't seem to work is why I asked the question. Has anyone gotten it to work? How?
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TiddlyBot Discussion / Re: Software Source/Program Description
« Last post by xurizaemon on December 15, 2015, 11:13:18 pm »
Any update on this? Some components are available at https://github.com/Agilic-Development/ but I'd love to be able to build the image from a base OS - that would help me understand why some of the extras (eg minecraft?) are on there, and whether they are useful/essential/relevant/cruft.
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TiddlyBot Discussion / Re: Change from Change from access point to local ssid?
« Last post by xurizaemon on December 15, 2015, 11:09:29 pm »
That seems to be what it says it does.

https://github.com/Agilic-Development/network-changer

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