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Mini 180 Degree Servo With Accessories

2.55
This mini 180 Degree servo with accessories is great value, and is ideal for micro-controller systems like the BBC micro:bit, Arduino, Raspberry Pi and PICAXE.

Out of stock. Orders can be placed and will be despatched once in stock.

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2565£2.55
(£3.06 incl VAT)
£2.35
(£2.82 incl VAT)
OR

This Mini Servo is a great value multi-purpose micro size servo and it's ideal for use with micro-controller systems like the BBC micro:bit, Arduino, Raspberry Pi and PICAXE. It's miniature size also makes it great for use in radio controlled models.

This servo can rotate approximately 180 degrees, 90 in each direction and it comes with mounting screws and a range of horns to suit most applications. You can use any servo code, hardware or library to control these servos, so it's great for beginners who want to make things move without the need for a motor driver board.

It is very similar in design, weight and operation to the Tower Pro SG90 Mini Servo and can be used as a direct lower cost alternative.

Features:

  • Great value miniature servo.
  • Control horns included.

Contents:

  • 1 x Mini Servo.
  • 2 x Mounting screws.
  • 3 x Control horns.

Dimensions:

  • Length: 22mm.
  • Width: 12mm.
  • Height: 31mm.

Physical characteristics:

  • Length: 22mm.
  • Width: 12mm.
  • Height: 31mm.

Electrical characteristics:

  • Stall torque - 1.8kg/cm (4.2V).
  • Operating speed - 0.3s/60 (4.2V).
  • Operating voltage - 4.2-6V.
  • Temperature range - 0 to 55C.
  • Dead band width - 10microseconds.

Electrical connections:

  • Red Wire - Positive connection.
  • Brown Wire - Ground connection.
  • Orange Wire - Signal wire.

Questions:

Posted by Jon Smith, Wednesday, 24 August 2016 on product Mini 180 Degree Servo With Accessories

Question:

What is the acceptable frequency range & mark:space ratio for the PWM signal? I assume the PWM is rail-to-rail.

Answers:

  • Posted by Michael Lockhart on Wednesday, 24 August 2016

    Hi Jon, the duty cycle is between 1-2ms. Position "0" (1.5 ms pulse) is middle, "90" (~1 ms pulse) is all the way to the left, 1.5ms pulse) is middle, "90" (~2 ms pulse) is all the way to the right, "180" (1 ms pulse) is all the way to the left. Power and signal are both 5V, PWM is rail to rail, PWM frequency is 50Hz (20ms period).

Posted by Jason , Tuesday, 5 July 2016 on product Mini 180 Degree Servo With Accessories

Question:

How many of these can you connect directly to the BBC micro bit? Thanks

Answers:

  • Posted by Michael Lockhart on Tuesday, 5 July 2016

    You can connect one servo directly to the BBC micro:bit, using the 0 and 3V pin on the micro:bit to power the servo. Alternatively you can connect three servos up to a secondary power supply and then connect the one servo to each output pin on the BBC micro:bit.

Posted by Jim Jenner, Wednesday, 22 June 2016 on product Mini 180 Degree Servo With Accessories

Question:

Do you think this would be reasonably easy to control using / connecting to a 14 Genie Chip ? Thanks

Answers:

  • Posted by Geoff Hampson on Wednesday, 22 June 2016

    Yes any micro-controller should be able to do it, you control the position by changing the ratio of time a pulse is high to the time it is low. I suspect there is a servo command or if not you want to use pulse width modulation.

    Unfortunately I’ve not got access to the Genie software so can’t advise on the specifics for that program.

Posted by Peter Broome, Monday, 20 June 2016 on product Mini 180 Degree Servo With Accessories

Question:

What is the maximum voltage, and maximum current drain of this servo ?

Answers:

  • Posted by Michael Lockhart on Monday, 20 June 2016

    Hi Peter, The current drain on this servo is between 0.1-0.5A, and the voltage range is between 3.5-6V’s.

Posted by Peter Broome, Monday, 20 June 2016 on product Mini 180 Degree Servo With Accessories

Question:

What is the torque rating of this servo ? (ie: how powerful is it ?)

Answers:

  • Posted by Michael Lockhart on Monday, 20 June 2016

    The torque of the servo is 1.8KG/cm based on a power supply of 4.8V’s.

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