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Alex Wiebe
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Alex Wiebe

Show-n-tell  - 
 
Starting at the bottom we have an apparent under extrusion happening with some nice shiny new PLA. Next sample up shows an attempted software/settings based fix. Finally the top sample demonstrates what happens when the tension on the extruder is increased to eliminate periodic slippage that was causing the rhythmic under extrusion that is now fairly apparent.

My other pla prints fine, but isn't quite so shiny. Literally the green spool has a wet paint shimmer to it. Might that be why it slips easier? I checked the size and if anything it is 0.05mm larger :/ diameter than my other filaments.

Enjoy!
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Neil Penning's profile photoAlex Wiebe's profile photoNathaniel Stenzel's profile photoNathan Walkner's profile photo
10 comments
 
no need for a diagnosis, because it started with the solution
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Any developers got hacks, tricks or docs to manage when the backlight comes on?

I note that the standard Backlight options are "Auto", "On" and "Off". Under "Auto" it says "Ambient Controlled". I've also read that one of the sensors in the Pebble is an ambient light sensor.

I'm turning into a hypermiler :-) I'm recharging every Sunday night and am tracking the charge level remaining. Based on my charts, 8-9 days between charges is quite doable. But I want more! :-)

I can see the backlight coming on when I interact with the watch while inside - where I don't need the backlight. I don't want to turn it completely off - I still want the light to work in the dark.

Ideas?
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Alex Wiebe

Android  - 
 
In the past 2 days my Awear app has started crashing on my phone resulting in certain notifications not getting to my Pebble. Does anyone else use Awear? Or should I just abandon it for stock SMS notification from Pebble?
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Rúben Marques's profile photoashley strutt's profile photoAfonso Santos's profile photoKenny Pratt's profile photo
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Thanks. Looks interesting. Will check it out tonight.
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Alex Wiebe

➥ Show-and-tell  - 
 
Some say go big or go home. I went home and got my 1/2" crt screen working.

I'm currently (pardon the pun) using an ammeter to shunt around the blown ICP-N5 (250mA) fuse. It is reading ~110mA. Power is from the 2 cell (7.2v) lipo that blew it the first time, however this time it is being routed through a 7805 voltage regulator. Video is the composite feed of my DVD player. The video is clear, but reversed.

I'm impressed. Only 3 wires need. +5V, Gnd and composite video.

Now to figure out what to do with it - especially since I don't have any of the optics required to look at it properly....
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Jan Moren's profile photoAlex Wiebe's profile photoChris H.'s profile photoAndrew Hull's profile photo
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You can make an oscilloscope with it, but the bandwidth will be poor. Real CRT scopes use static deflection plates rather than magnetic coils. Much faster.

https://www.youtube.com/watch?v=Pvkl5L2v6tI

.. and..

http://www.electro-tech-online.com/threads/repairing-a-metrix-ox-8050-digital-oscilloscope.142398/#post-1207686

... might keep you entertained.
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Alex Wiebe

Shared publicly  - 
 
 
Exclusive: Image of the Pebble team captured only moments ago. 
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Alex Wiebe

➥ 3D printing  - 
 
My sister's dehumidifier wouldn't shut off. Turns out the buttons had been jammed on / broken from excess force. I replaced them (had a tough time digging through some kind of enamel on the trace side of the board) and then noticed how hard the case pressed against them.

They would not 'click' when pressed, and would often rapidly cycle through options like they weren't being properly debounced.

I whipped up these little cones to take the pressure off the buttons. Now they have a better haptic feedback click and don't rapidly cycle through options.
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Excellent :)
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Lazy Sunday. Found Cappuccino lounging on the couch like this tonight. She lay there for probably 1/2 hour just relaxing. 
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Alex Wiebe

Questions/Help  - 
 
The cursor ('hyphen') didn't stick. All letters, etc are 0.5mm high. Strange that only the last character failed.

Printed with my modified Simple kit version. Black pha-pla for first 13 layers, then green pla for last 3 layers. Layer height is 0.14mm. Temperature is 200C. Speed is slow at 10mm/sec for loops.

I insert a @pause into the gcode between black and green.

Same stl, but sliced at default 0.29 mm and running 3X faster printed fine.
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3 I believe. 
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Alex Wiebe

Discussion  - 
 
Neat! I might have to try this.
 
Pebble watch, #3DPrinted  charger. #3DPrinting  +Instructables 
With a little bit of wire and a 3D printer you can make a charger for your Pebble Smartwatch. Even better, you can make it in under half an hour! Instructables user Zjenja has provided the instructions and reasoning behind his creation. After losing the charger for his Pebble, rather than buying a new one, …
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Jeremiah Collins's profile photoClaudia Meijer's profile photoAlex Wiebe's profile photoAdam EL-Idrissi's profile photo
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I printed one last night and stuck some thin wires in there and got some really bad behaviour from the Pebble. I tried a few times to connect it to a USB / 5V source and the Pebble never registered it was charging and most often would blank the screen (freaked me out a bit).

Not sure what I'm doing wrong... will have to do some more reading before I risk hooking it back up.
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Alex Wiebe

➥ Show-and-tell  - 
 
Looking for some help here. This is the driver board for a camcorder crt viewfinder. I want to know what the transistor looking part with the "N 5 J" etched on it is (labeled PR825 on the pcb). I think it is a fuse, but what value?

I was testing it with a 9v battery and it was working. I then I switched to a 7.2v lipo and it stopped working. The 'fuse' is now open. And the crt doesn't work.

If I put a current meter across its leads, the crt comes back to life. The current measures about 150-175mA when driven by a 9v battery.

Bonus question - what is the correct voltage to power these boards with?
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duane a's profile photoJohn Douglas Porter's profile photoAlex Wiebe's profile photojon sanford's profile photo
9 comments
 
+duane attaway Looked up the IPC-N5 and that seems more reasonable - 0.25A - http://www.kpcomponents.ca/product_info.php?products_id=4084

Will try 5V next time I have time to get downstairs.

Thanks!
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Our Cappuccino licking water off our bedroom window in the morning.
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Catpuccino.. <3
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Alex Wiebe

Pebble Developers  - 
 
I've been tinkering in the Pebble Cloud for a couple weeks now (not much time put to it). Frustrated with how wildly inaccurate OpenWeatherMap has been for Winnipeg, I figured that was a good enough reason to crank back up my dev skills.

What I have is a simple text based watchface that grabs the XML data from Environment Canada for Winnipeg (http://dd.weatheroffice.ec.gc.ca/citypage_weather/xml/MB/s0000193_e.xml) and using basic string parsing functions in the *.js file (substring, match, indexof) I've managed to tease the core data out the xml file (temp, wind, sky conditions, report date/time).

I also parse the <warnings/> section, and if there is anything there, it gets displayed white on black at the bottom. If the type is warning (vs statement, watch or ended) the pebble will buzz as well.

Next step is to figure out a practical way to translate the location index file (http://dd.weatheroffice.ec.gc.ca/citypage_weather/xml/siteList.xml) into some kind of useful configuration/setting page.

Is there a way to share watchfaces made in cloudpebble? (in case anyone wants to have a look an my crudely early version) - at some point if I can get this to a better level of maturity I'll google how to publish it...
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Yuriy Galanter's profile photoEric Phillips's profile photoAlex Wiebe's profile photo
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Once I have some way of configuring the location (currently hard coded to Winnipeg/English) I'll look at publishing to see what others think. Thanks!
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