"@Jed: I'm not sure I2C is going to give you speed you are expecting. PWM is quite effective at tranmisting a new value from the controller with good resolution, you update the motors every 2000us being parallel. I2C is serial, using 10bits per…"
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Jed commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC"OK, I have been wondering when somebody was going to make an all in one speed controller board. Now all they have to do is to put an full digital I2C connection on it and get rid of the PWM signal for speed control and gain current, voltage, and…"
Wiki NinjaGary McCray commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC
"Hi Robert, yes I noticed that after I put in the response, I also noticed that HobbyKing says that you can use their programmer with their version whereas no such option is listed for HobbyWing ones.
Hard to find anybody not in China or Hong Kong…"
Crashpilot1000 commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC"If this is like skywalker quattro 20 than you can flash BLHELI. SimonK is for atmel. I realy like the sil-chip / blheli combo, anyways."
DeveloperR_Lefebvre commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC
"Gary, Hobbywing starte with a 20A, and continues to make the 20A. The 25 Amp is relatively new, and not many people even carry them."
Wiki NinjaGary McCray commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC
"Seems they greatly reduce interference to the magnetometer, (No DC power leads except battery in and an aluminum plate on top attenuating AC EMF).
Looks identical to Hobbywing except 20 amp instead of 25 amp. My guess is HobbyKing just derated it…"
Scott Berfield commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC"I haven't tried it. From what I was reading at the time, it sounded like they wren't supported - may have to check again."
Chuck commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC"@Scott I saw different comments on HobbyKing regarding flashing these units, have you attempted to flash SimonK at all? From my understanding the chipset is supported."
Scott Berfield commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC"I have the HobbyWing 20A on a test quad of mine and it works pretty well. I prefer the SimonK firmware, but for stock, these are pretty nice. And they certainly make wiring neater."
Vikrant commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC"This is a very neat replacement for the whole mess of soldering the PDB and the ESC's which hang precariously on the arms of the quad and reduces the amount of wires significantly. I will try it out soon.
"
DeveloperR_Lefebvre commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC
"Yup, I think these are great. I'm quite sure this is just a brand labelled version of the Hobbywing, similar to what Hobbyking does with all the other Hobbywing ESC's. ie: not a clone or knockoff.
Hobbywing also now make these…"
Josh Potter commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC"That's a great price and a seems like a nice setup for smaller quads."
LanMark commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC"Yeah that is just the HobbyWing one just with a different label on it.. or the other way around.
I have one but haven't fired it up yet... seems like a good idea."
Euan Ramsay commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC"Obvious question - can you SimonK these? Sound like a really nice solution to the wiring nightmare in mini/micro quads."
Assistant AdminJoshua Johnson commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC
"Thanks for sharing this Dutchman I haven't seen you post something in a long time! :D"
CrashingDutchman posted a blog postQ Brain 4 x 20A Brushless Quadcopter ESC
The Q-Brain incorporates 4x 20A speed controllers in 1 device. All motor leads are pre-installed and are terminated with 3.5mm bullet connectors. Leads are 25 cm long which means that you can use this controller with frames up to 60 cm. It operates on 2-4 cells lipo and 5-12 cells Ni-XX (anyone still using these). Refresh rate is over 400Hz.Weight of the speed controller is 112 grams and dimensions are…See More
CrashingDutchman's Blog
Q Brain 4 x 20A Brushless Quadcopter ESC
Posted on May 14, 2013 at 5:07am 15 Comments 2 Likes
The Q-Brain incorporates 4x 20A speed controllers in 1 device. All motor leads are pre-installed and are terminated with 3.5mm bullet connectors. Leads are 25 cm long which means that you can use this controller with frames up to 60 cm. It operates on 2-4 cells lipo and 5-12 cells Ni-XX (anyone still using these). Refresh rate is over 400Hz.
Weight of the speed controller is 112…
Continue Project 'Volare' on Kickstarter
Posted on February 10, 2013 at 11:00am 10 Comments 2 Likes
Through my K1ckstarter for Kickstarter app on Google Play I ran into project…
Preorder: Crazyfly Nano Quadcopter from Seeedstudio
Posted on January 31, 2013 at 3:00am 1 Comment 5 Likes
From Seeedstudio's site:
ContinueTime frame for pre-order: Jan. 31- Feb. 18, 2013Time of shipping: April, 25, 2013Ever wanted a development kit that flies? Well now you can! The Crazyflie is an open source nano quadcopter kit…
Nodecopter.js and Parrot AR Drone
Posted on October 13, 2012 at 7:33am 0 Comments 2 Likes
NodeCopter.js was a full day event where 60 developers got together into 20 teams of 3.
Each team received one Parrot AR Drone 2.0 and spend the day programming (JavaScript) and…
Continue senseFly eBee
Posted on October 10, 2012 at 6:23am 18 Comments 3 Likes
We have seen blog posts about the Swinglet Cam from senseFly here and now the guys from senseFly have a new product, the eBee.
From the site
ContinueThe eBee is lightweight enough to be launched by hand. It is fully autonomous during its entire flight. When it comes to landing, the eBee can either land in a circular clearing or, when…
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