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June 3, 2009 AT 6:28 pm

Small stepper motors AND micro servos! New in the store…

Pf35T Lrg
A great little stepper for small projects! This motor has a solid mounting plate, ‘plain’ and geared shafts, and Japanese-built construction. There are only 48 step (7.5 degree) per revolution, but the gear allows you to easily attach timing belts or a gearbox to control the resolution. A perfect first stepper motor and works well with the Motor Shield for Arduino which will let you microstep for smoother motion.

  • 48 steps per revolution
  • 5-12V DC suggested operation
  • Weight: 77 g.
  • Holding Torque: up to 27 mNm< / 3.75 oz-in/li>
  • Gear: brass 10 tooth, 0.255″ outer diameter, 48 teeth/in diametrical pitch
  • Datasheet (see second page)

To use with the Motor Shield, connect black and orange together to ground (middle), brown and green to one motor port (say M1) and red and yellow to the other motor port (say M2). Then just use the example code that comes with the Adafruit Motor Shield library. Otherwise, you can also wire it up with some transistors and use the Arduino Stepper library. Available now in the store… only $5.00 !


Tg9 Lrg
Tiny little servo can rotate approximately 180 degrees (90 in each direction), and works just like the standard kinds you’re used to but smaller. You can use any servo code, hardware or library to control these servos. Good for beginners who want to make stuff move without building a motor controller with feedback & gear box, especially since it will fit in small places. Of course, its not nearly as strong as a standard servo. Works great with the Motor Shield for Arduino or by just wiring up with the Servo library. Comes with lots ‘o horns and hardware.

  • Size : 23x11x29 mm
  • Voltage : 3V to 6V DC
  • Weight: 9g / 0.32oz
  • Speed : 0.12 sec/60 (at 4.8V)
  • Torque : 1.6 kg-cm
  • Working Temp : -30C~60C
  • Teflon Bushing, 19cm wire, coreless motor, servo arms & screw included

To control with an Arduino, we suggest connecting the orange control wire to pin 9 or 10 and using the Servo library included with the Arduino IDE (see here for an example sketch). Position “0” (1.5ms pulse) is middle, “90” (~2ms pulse) is all the way to the right, “-90” (~1ms pulse) is all the way to the left. Available in the store, only $6.00 !


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