Monthly Archives: March 2011

Roll Your Own Servo Tester

So you want to test the range of your servos.  Who needs a servo tester/driver?  If you have a MCU, a POT and some wire, you can make one. Servo Tester Recipe: Fez MCU (code written for NETMF) POT or … Continue reading

Posted in .Net Micro Framework, C#, FEZ, Motors, Servo | Tagged , , , | 4 Comments

NETMF electronic speed controller (ESC)

Here is a basic speed controller if you want to replace your RC receiver with your .Net Micro Framework  controller.  I don’t have working ESC to test with currently, so this may need some tweaking.  Please let me know if … Continue reading

Posted in .Net Micro Framework, C#, FEZ, Motors, Robotics | Tagged , , , ,

Connect COM port(s) to FEZ via USB

DB9 serial ports on laptops are becoming extinct.  But you may want to add another COM port to your FEZ so as not to interfere with the Debug interface. You can use CDC virtual COM port, but then you need … Continue reading

Posted in .Net Micro Framework, C#, FEZ, Robotics, Serial | Tagged , , , , ,

Fritzing–Your virtual breadboard

The forums pointed me to the coolest little virtual breadboard tool called Fritzing. Download here http://fritzing.org.  It is still in Alpha, but already very useful as seen below.  It is more a documentation tool as it does not do any … Continue reading

Posted in .Net Micro Framework, C#, FEZ, Motors, Robotics | Tagged , , , , ,

Connecting the Pololu TB6612FNG Dual motor driver to FEZ

Not a lot to say here.  It seems like a great little controller for $8.50 bucks.  Now wondering why I also bought a $45 controller.  This thing will handle up to 3A per channel (1amp continuous) and 13.5V.  Stout little … Continue reading

Posted in .Net Micro Framework, C#, FEZ, Motors, Robotics | Tagged , , , ,

Cap your motors

To reduce motor noise, remember to also install caps on your motors like so: 1) Use ceramic cap(s) between terminals.  Use ceramic cap. Not polarized.2) Solder another 0.1uF cap between each motor lead and the motor case.3) Twist motor leads.  … Continue reading

Posted in .Net Micro Framework, C#, FEZ, Robotics | Tagged , ,

Connecting Pololu Dual Motor Controller to FEZ Domino

Connecting the Pololu to an MCU is not at all obvious at first (at least for me), and the directions did not help in that regard (unless you already did it once).  So here is a step-by-step recipe.   Recipe … Continue reading

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