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• CRICKIT transcript

  Sophi Kravitz • 06/22/2018 at 20:07 • 0 comments

  welcome @limor and @pt !
  
  pt3:01 PM
  live vid is here folks'

  
  
  Prof. Fartsparkle3:02 PM
  hah. the talking heads are cute
  
  awesome, thanks
  
  limor3:02 PM
  thank you @Sophi Kravitz  and the hackaday community for having me on this hackchat about creative robotics!@
  
  
  limor3:04 PM
  its a robot roadshow!
  
  
  Stephen Tranovich3:04 PM
  The robot co-hosts are SO GOOD
  
  oh yeah... let's start!!
  
  Limor, can you intro yourself to all of us?
  
  limor3:05 PM
  of course
  
  limor3:05 PM
  so i’m the lead engineer and owner of adafruit
  
  limor3:05 PM
  thats our open source software and hardware factory here in nyc
  
  limor3:05 PM
  in soho!
  
  limor3:06 PM
  so the machines are running you can even hear them on the livestream and maybe see some people loading up the feeders
  
  yeah those machines sound loud
  
  and happy
  
  limor3:06 PM
  clean and well oiled machines are happy machines
  
  this chat feeds my ADD- video and text both in two locations!!
  
  limor3:07 PM
  we're here for a half hour! hit me up with the Q's!
  
  Morning.Star3:07 PM
  Hey hey. :-) I'm back. Well fed machines too :-)
  
  Q:
  
  give us the lowdown on how CRICKIT works
  Rob Ray joined  the room.3:07 PM
  
  questions!!
  
  ^^^
  
  yessss hardware details
  
  limor3:08 PM
  crickit started as a project fcalled seesaw
  
  limor3:08 PM
  basically we see so many different chips on the market which is great
  
  limor3:08 PM
  but some like the esp8266 don’t have, say, analog in
  
  limor3:08 PM
  and some don’t have a lot of timers or pwm like the raspi
  
  limor3:08 PM
  i was seeing people want to build animatronics, creative bots
  
  limor3:09 PM
  but got hit with "ugh this hardware i using doesnt have 5 PWMs or ADC or the ability to drive neopixels"
  
  limor3:09 PM
  so seesaw was the solution for that
  
  limor3:09 PM
  its a i2c -> anything concerter
  
  limor3:09 PM
  now you can buy i2c counters, like ADCs, DACs, PWMs etc
  
  Morning.Star3:09 PM
  heh
  
  limor3:09 PM
  but by the time you add em all up, it’s like $4 BOM
  
  limor3:09 PM
  sux
  
  limor3:10 PM
  its waaay cheaper to have a cortex m0 that HAS ALL THIS STUFF FOR FREE
  kevin forsythe joined  the room.3:10 PM
  
  limor3:10 PM
  and then you just write a transport
  
  limor3:10 PM
  so we did
  
  limor3:10 PM
  NOW we can do robots
  
  limor3:10 PM
  because i wanted to keep the price low enough that you aren’t spending hundreds of $ - you can take advantage of seesaw and then pair it with your fav micro
  
  limor3:10 PM
  whether that be esp82, esp32, raspi, microbit, teensy, feather etc
  
  limor3:10 PM
  cause its just I2C
  
  limor3:11 PM
  and everything every in the history of everything has I2C master
  
  Paul Stoffregen3:11 PM
  :)
  
  Prof. Fartsparkle3:11 PM
  I always wondered why these dedicated ICs are often so expensive even though they are less complicated than the MCU which does the same and more
  
  Michael Welling3:11 PM
  voice to text anyone?
  
  Morning.Star3:11 PM
  cool
  
  ðeshipu3:11 PM
  except for the ESP8266
  
  limor3:11 PM
  phil and i went to dimsum
  
  Orlando Hoilett3:11 PM
  @Michael Welling  nah. this is way cooler
  
  limor3:11 PM
  and we decided lest make a robot platfor for all his awesome ideas!
  
  Orlando Hoilett3:11 PM
  Watching the broadcast as well as paying attention to the chat is pretty hilarious. Lol.
  
  limor3:11 PM
  we literlly sketched on a napkin
  
  Frank Buss3:11 PM
  some PICs don't have hardware I2C either
  
  limor3:12 PM
  adn came up with the octogon
  
  limor3:12 PM
  you can bitbang i2c it isnt the end of the world
  
  limor3:12 PM
  you just need to have open drain pins
  
  limor3:12 PM
  if you dont - seesaw is not for you
  
  Frank Buss3:12 PM
  right, but then you can't do much else with a small PIC :-)
  
  limor3:13 PM
  frank, dont use a PIC 12C509
  
  limor3:13 PM
  we've got more chips now ;)
  
  Frank Buss3:13 PM
  lol, I know
  
  Paul Stoffregen3:13 PM
  haha, not 1995 anymore!
  
  limor3:14 PM
  ok any more Qs
  
  Boian Mitov3:14 PM
  So do you want it also programmable with Visuino ? ;-)
  
  hi Paul!
  
  Michael Welling3:14 PM
  bitbang all things
  
  question
  
  how do you manage power?
  
  limor3:14 PM
  Boian, sure! we hvae code in C/C++ and python
  
  limor3:14 PM
  (and typescript/makecode)
  
  Orlando Hoilett3:14 PM
  What's the driver current on the platform?
  
  what @Orlando Hoilett said
  
  limor3:15 PM
  OMG THE POWER IS THE BEST PART
  ATMakers - Bill Binko joined  the room.3:15 PM
  
  limor3:15 PM... Read more »

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