Search found 15 matches

by asr
Sun Jun 07, 2020 11:47 pm
Forum: Developer Discussions
Topic: Writing custom on-board controller in firmware
Replies: 5
Views: 1374

Writing custom on-board controller in firmware

I wanted to write my own low-level controller in the Crazyflie firmware but thought it would be good if a few questions can be clarified before I get started. It seems like stabilizer.c is where I should be looking to understand how state estimates and desired states are used to directly control the...
by asr
Sun Jun 07, 2020 10:08 pm
Forum: General discussions
Topic: My off-board position control
Replies: 7
Views: 4066

Re: My off-board position control

I'm replying to a very old thread, but I wanted to say that it's great to see that off-board control is possible. However, there might also be a slightly simpler hybrid approach to getting a LQ-based controller to work with the Crazyflie. I'm in a similar boat at the moment, as I wrote a C++ based L...
by asr
Sun Jun 07, 2020 6:56 am
Forum: Support
Topic: Crazyflie not charging
Replies: 9
Views: 1675

Re: Crazyflie not charging

Aha okay that makes sense, so since I have a flow deck and multi-ranger attached to my Crazyflie it's perfectly normal to have these long charge times? With a 240mAh battery and a 58 minute charge time this implies a charge rate of about 250mA, so if the general board electronics are using 100mA and...
by asr
Tue Jun 02, 2020 2:46 am
Forum: Support
Topic: Crazyflie not charging
Replies: 9
Views: 1675

Re: Crazyflie not charging

The room temperature was about 27 degrees Celsius, so not too hot. Yup, I have a big fan in my room which I turned on during two charge-up tests and it allowed me to charge from empty to full without the temp check problem occurring. Quite frustrating that this is happening though, since my room was...
by asr
Sun May 31, 2020 3:34 am
Forum: Support
Topic: Crazyflie not charging
Replies: 9
Views: 1675

Crazyflie not charging

I setup my Crazyflie with the STEM ranging bundle last night, and tested out the flow deck v2 and multi-ranger functionality which worked nicely. However, after charging it up a few times (for about 40 minutes each time) and putting it in a hover, I noticed that the flight time was quite short. Doin...