Aaron Parecki

34°F

Class time! 🎥
Beer of Trust! 🍻🗝
Funny how @timberners_lee predicted variable pixel densities in images on the web 24 years ago http://1997.webhistory.org/www.lists/www-talk.1993q2/0417.html
why 😭 @DropboxSupport
Hello from Homebrew Website Club PDX! Thanks to @DreamHost for hosting us! 🍕🎉 #indieweb
A cocktail on the table and a bike on the floor. 🍸🚲😍 #bromptonlife
Nice day for a ride! 🚲
Some pictures of my progress on BarBot today! 🍸🤖 I ran the tubes through the pumps, and up the top to form a faucet. I tested them all with water. The nice part of this design is all of the electronics are suspended above the liquor bottles, so I don't have to worry about any drops falling onto the circuits. I formed the faucet shape by bending a wire to the shape I wanted, and clamping it to the cabinet with a wide washer. I ran the tubes along the wire and ziptied them.
Look at that! First pump installed and successfully pumped exactly half an ounce! #barbot
I suspect this new page on my site showing my emoji usage is going to heavily encourage my use of emoji 😂 😎 🤓 https://aaronparecki.com/emoji
"How to Imitate a Whole Lot of Hollywood Film Music In Four Easy Steps" Definitely going to use this as a reference for some of the remaining 100 days! (Reminder that his M2M notation is half steps, not harmonic intervals) https://www.youtube.com/watch?v=YSKAt3pmYBs
My Raspberry Pi APRS receiver at home in the window https://w7apk.com/aprs
All folded up and tucked away at home! 🚲😍
First ride on the new bike! Great day for it too!
Being a purchaser for Grocery Outlet must be fun. You probably get to see all kinds of frankenfoods, like this double-stacked-wrapped block of Gouda for $2.81.
📍 Magnolia's Corner
After a few setbacks and trying out various combinations of components, I finally have all 16 pumps being controlled from this Arduino! I ended up getting a new Arduino that has enough pins to drive the relays directly instead of going through a serial expander board which was causing me problems. I also abandoned the Darlington arrays in favor of these relay boards that have all the relay isolation stuff done for me. This also keeps the 5v Arduino and 12v pump power supplies completely separate, which I feel much more comfortable about. Next step is to mount this into my cabinet and hook up the tubing! Then time to get to work on the recipe database! #barbot
Coffee with Cofounders #pdxstartupweek
Trying something new #100daysofmusic
When I see an access token that begins with "eyJ", I base64-decode the middle part to see what data they store in it. #oauth #jwt #security
Well I clearly know a lot less about circuit design than I thought. There's something wrong with this circuit, and I can't figure it out. Something about the power distribution causes the Arduino to freak out when the 12v supply is powered on and delivering power through the voltage regulator. I've decided to cut my losses and replace the motor control portion of this with a prebuilt relay board so that someone else has figured out all that part for me. I just bought two of these boards which can be powered from the 5v off the Arduino, and controls 8 relays. https://amazon.com/dp/B00KTELP3I/?tag=apkdotcom-20 This will let me completely separate the power supply of the 12v motors from the power supply of the Arduino.
Fancy coffee because I feel like it #cappuccino
A stiff drink after a long day
Was planning on walking a mile but this place looked great
📍 Inn at Temescal
Here again
I've grown so accustomed to saying "Alexa" but I really want to change this to "Computer" so I can feel like I live in Star Trek

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