The MG91 from TowerPro is a digital 13g metal gear, double ball bearing servo designed for RC helicopters & airplanes, but useable in just about any servo situation we can think of. The unit features a central alloy casing, and all metal gearing.
The MG91 has a slightly faster operating speed, and slightly higher torque rating than the MG90D, with a stalling torque of 2.6kg in a 13g mini package.
The unit comes complete with 25cm wire and 3 pin 'S' type female header connector that fits most receivers, including Futaba, JR, GWS, Cirrus, Blue Bird, Blue Arrow, Corona, Berg, Spektrum and Hitec.
They work great with our UltraBorg servo and ultrasonic control board, and other Raspberry Pi Motor Controllers. They're also great for the Arduino Motor Shield - or simply by wiring up Arduino with the Servo library. You can use any servo code, hardware or library to control these servos, so it's great 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.
Towerpro Servo's comes with a selection of arms and hardware to get you set up nice and fast!
The Towerpro MG91 Servo Features:
- MG91 Digital Servo with Metal Gearing
- Genuine TowerPro Product
- Includes Selection of Horns and Screws for Different Application - See Picture for Details.
- Weight: 13g
- Dimension: 22.8x12x31 mm
- Stall torque: 2.2kg/cm (4.8v); 2.6kg/cm (6.0v)
- Operating speed: 0.13sec/60degree (4.8v); 0.11sec/60degree (6.0v)
- Operating voltage: 4.8~6.6v
- Gear Type: Metal gear
- Bearing: Double ball bearing
- Servo case: Middle with alloy case
- Temperature range: 0- 55?
- Dead band width: 1us
- servo wire length: 25cm
- servo arms &screws included
- Servo Plug: JR (Fits JR and Futaba)
- It’s universal “S” type connector that fits most receivers, including Futaba, JR, Hitec ,GWS, Cirrus, Blue Bird, Blue Arrow, Corona, Berg, Spektrum.
- CE &RoHS approved
- The servo gear set and shaft has been upgraded to aluminium 6061-T6. It is stronger and lighter than copper.
- Dimension Sheet
- Red: Battery Positive
- Brown: Battery Negative
- Orange: Signal
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 (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.
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