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| glossary:glossary_s [2017/01/16 14:18] – [SMD] uppermill | glossary:glossary_s [2018/09/26 09:23] – [Servo] Bob Vetterlein |
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| Gives a mechanical output for electrical input. Used extensively in model aeroplanes for controlling flight surfaces, they are now used in MRR as inexpensive [[:glossary:glossary_p#points|point]] and [[:glossary:glossary_s#semaphore|semaphore]] motors. They respond to the width of a repetitive electrical control pulse. Servo signal pulses are (normally) repeated every 20 mS and a pulse width ranges from 1.0 mS to 2.0 mS with the servo position being proportional to the pulse width. A normal servo will drive through 90 degrees of movement, but depending on the servo make, more movement can be had by increasing the signal pulse width but this will require modification to the driving circuit. [[http://www.merg.org.uk/softwarewiki/doku.php?id=servoset:servoset|MERG servo driver info is here.]]\\ | Gives a mechanical output for electrical input. Used extensively in model aeroplanes for controlling flight surfaces, they are now used in MRR as inexpensive [[:glossary:glossary_p#points|point]] and [[:glossary:glossary_s#semaphore|semaphore]] motors. They respond to the width of a repetitive electrical control pulse. Servo signal pulses are (normally) repeated every 20 mS and a pulse width ranges from 1.0 mS to 2.0 mS with the servo position being proportional to the pulse width. A normal servo will drive through 90 degrees of movement, but depending on the servo make, more movement can be had by increasing the signal pulse width but this will require modification to the driving circuit. [[https://www.merg.org.uk/merg_wiki/doku.php?id=servoset:servoset|MERG servo driver info is here.]]\\ |
| {{:glossary:servo.jpg}} | {{:glossary:servo.jpg}} |
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