# Servo and Adafruit Motor/Stepper Shield **URL:** \ **Category:** Uncategorized\ **Created:** [16 January 2018 03:42 UTC](https://forum.core-electronics.com.au/t/servo-and-adafruit-motor-stepper-shield/2070 "2018-01-16T03:42:41Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![James53580](https://avatars.discourse-cdn.com/v4/letter/j/dbc845/32.png) [@James53580](https://forum.core-electronics.com.au/u/James53580)\ **Post date:** [16 January 2018 03:42 UTC](https://forum.core-electronics.com.au/t/servo-and-adafruit-motor-stepper-shield/2070/1 "2018-01-16T03:42:41Z")
How do I power and code a Servo - Generic High Torque Full Rotation (Standard Size) - through a Adafruit Motor/Stepper/Servo Shield for Arduino on an Uno R3 (Arduino-Compatible)? ---
**Author:** ![Sam](https://yyz2.discourse-cdn.com/flex028/user_avatar/forum.core-electronics.com.au/sam/32/99_2.png) [@Sam](https://forum.core-electronics.com.au/u/Sam)\ **Post date:** [16 January 2018 03:48 UTC](https://forum.core-electronics.com.au/t/servo-and-adafruit-motor-stepper-shield/2070/2 "2018-01-16T03:48:07Z")
Hi James, As far as controlling the servo goes, I’d recommend taking a look at our tutorial for using servo motors with Arduino: > **[Controlling Servo Motors with Arduino - Tutorial](https://core-electronics.com.au/tutorials/servo-control-with-arduino.html)** > > Servo motors are extremely useful in so many different applications; it’d be good to learn how to control them! Solenoid and DC motor control have been shown already; for the most part, they are both pretty straightforward (only power and ground... Depending on how much current your servo draws (it’ll be on the servo page), you may need to use a power pack supply rather than USB. The best option would be a 12V supply that you can power the Arduino with via the barrel jack. ---
**Author:** ![James53580](https://avatars.discourse-cdn.com/v4/letter/j/dbc845/32.png) [@James53580](https://forum.core-electronics.com.au/u/James53580)\ **Post date:** [16 January 2018 03:49 UTC](https://forum.core-electronics.com.au/t/servo-and-adafruit-motor-stepper-shield/2070/3 "2018-01-16T03:49:26Z")
Thank you. Do I plug the power pack into the Adafruit? As previously I tried a 9V battery ---
**Author:** ![Sam](https://yyz2.discourse-cdn.com/flex028/user_avatar/forum.core-electronics.com.au/sam/32/99_2.png) [@Sam](https://forum.core-electronics.com.au/u/Sam)\ **Post date:** [16 January 2018 04:09 UTC](https://forum.core-electronics.com.au/t/servo-and-adafruit-motor-stepper-shield/2070/4 "2018-01-16T04:09:25Z")
A 9V battery isn’t a good option as it has quite a high internal resistance. This means that it can’t deliver much current. The Adafruti shield draws power from the main Arduino board, so you can just power it from there provided you’re only drawing ~1A. Anything more than that and I would recommend power the shield directly. ---
**Author:** ![James53580](https://avatars.discourse-cdn.com/v4/letter/j/dbc845/32.png) [@James53580](https://forum.core-electronics.com.au/u/James53580)\ **Post date:** [17 January 2018 03:53 UTC](https://forum.core-electronics.com.au/t/servo-and-adafruit-motor-stepper-shield/2070/5 "2018-01-17T03:53:52Z")
> **[5V 10A switching power supply](https://core-electronics.com.au/5v-10a-switching-power-supply.html)** > > This is a beefy switching supply, for when you need a lot of power! It can supply 5V DC up to 10 Amps, running from 110V or 220V power (the plug it comes with is .. read more Will this work to power 4 servos on the Adafruit shield? If so, where do I plug it into? ---
**Author:** ![Sam](https://yyz2.discourse-cdn.com/flex028/user_avatar/forum.core-electronics.com.au/sam/32/99_2.png) [@Sam](https://forum.core-electronics.com.au/u/Sam)\ **Post date:** [17 January 2018 03:56 UTC](https://forum.core-electronics.com.au/t/servo-and-adafruit-motor-stepper-shield/2070/6 "2018-01-17T03:56:48Z")
Hi James, That will be plenty. There are power connection terminals on the shield, your I’d suggest just using the barrel jack on the Arduino. ---
**Author:** ![James53580](https://avatars.discourse-cdn.com/v4/letter/j/dbc845/32.png) [@James53580](https://forum.core-electronics.com.au/u/James53580)\ **Post date:** [17 January 2018 03:58 UTC](https://forum.core-electronics.com.au/t/servo-and-adafruit-motor-stepper-shield/2070/7 "2018-01-17T03:58:24Z")
I tried to use the barrell back on my Arduino Uno - the servo didn’t move, despite the fact that I uploaded the code. I am using the following servo: Servo - Generic High Torque Full Rotation (Standard Size) - ---
**Author:** ![Sam](https://yyz2.discourse-cdn.com/flex028/user_avatar/forum.core-electronics.com.au/sam/32/99_2.png) [@Sam](https://forum.core-electronics.com.au/u/Sam)\ **Post date:** [17 January 2018 04:05 UTC](https://forum.core-electronics.com.au/t/servo-and-adafruit-motor-stepper-shield/2070/8 "2018-01-17T04:05:40Z")
Did you change the code to match the pin that you’re using? That code is a general guide, you may need to make adjustments to it. ---
**Author:** ![Graham](https://yyz2.discourse-cdn.com/flex028/user_avatar/forum.core-electronics.com.au/graham/32/54_2.png) [@Graham](https://forum.core-electronics.com.au/u/Graham)\ **Post date:** [18 January 2018 02:32 UTC](https://forum.core-electronics.com.au/t/servo-and-adafruit-motor-stepper-shield/2070/9 "2018-01-18T02:32:52Z")
Hi @James53580, > **[Adafruit Motor Shield V2](https://learn.adafruit.com/adafruit-motor-shield-v2-for-arduino?view=all#powering-motors)** > > The original Adafruit Motorshield kit is one of our most beloved kits, which is why we decided to make something even better. We have upgraded the shield kit to make the bestest, easiest way to drive DC and Stepper motors. This shield will make quick...