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no need to recalibrate, just use the values that works and bring enough speed
Motor is not very hot but esc needs a heatsink
Thanks for the information, i ordered my Blade with 5Mhz crystal andi have not considered the "overclocked" version.
Here's the source code, please note the data/clock pins from the LEDs
After uploading the binary all LEDs has to turn on immediatly, without use of hall sensor
The resistor is connected to P0
Maybe you have to program/calibrate the ESC. Here is an example: http://robots.dacloughb.com/project-2/esc-calibration-programming/
it doesn't matter, maybe the cables must be exchanged, but you'll see when running the first picture
Pins seems to be ok, test the attached binary from last step, it switches on all LEDs
I wonder about the high current, 1.1 Ampere when all LEDs are off is to muchthe propeller only needs some mA. hmmmm
Here is another binary for testing the sd card. Hook up a LED(with180ohm) at pin 23. After some blinky and testing stuff the program will store some data at the sd card, after that you can check it in the pc. Did you already try another sd card? File Stestem is FAT(Standart)
Pins seems to be ok, test the attached binary, it switches on all LEDs
mine also was self adhesive but it didn't hold.The centrifugal force is very strong and they flow away. I have additionally used superglue.
mine also was self adhesive but it didn't hold.The centrifugal force is very strong and the flow away. I have additionally used superglue.
Thank you RayRegardsChristian (from Germany:-)
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here you can choose between white and black
Hmm, i think the kv is too high und you probably need a gearbox, better choose a motor with a lower kv that has a higher torque.
Sorry Neil, of course you want to know the current the ring needs. When i turn on all LEDs in color white they need about 2,7A. But the average current in normal operation is rather 1A.
The current to the motor is about 4 ampere
update software !
Thank you Neil, spin is in :-)But the most work is done in PASM !
What do you mean with demo ???
You have to run the LED strip with 20MHZ SPI clockrate for 64 LED.(i use 10 Mhz for 32 LEDs). i don't know if it works, i had no success with 20Mhz, although i read that some guys had 40Mhz and more running !?. For the Teensy 20 Mhz SPI is no problem. I found no specs about the max. clockrate of APA102.You have to take APA102 strips with 144 LEDs per meter because these are the only strips where the LED are close enough to each other. You don't want to solder these LEDs individually :-)Streaming from SD card is not fast enough, the image is loaded first into RAM !
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That sounds cool !
1.Source Code coming. 2. MCU from Parallax is common to me. I can't say which other MCUs are fast enough or to slow, it depends much on the capabilities of the programmer.3. As i discribe in step 1 the speed is 2400rpm. 4. Hall sensor is precise enough
Difficult to say, you have to program in C and you can't use my code because it's written for the multi-core-architecture of the propeller. Maybe an arduino/atmega crack here can say more about it.
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Thanks for the tip !!!!
Still waiting for the franchise ;-)
Uups i forget it , will be given later
Most is written in assembler the rest in spin . I will clean up the code/remarks and upload later
POV Globe 24bit true color ...View Instructable »
Amazing ! Double Vote !
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