Maestro Servo Controller (Raspberry Pi)




Introduction: Maestro Servo Controller (Raspberry Pi)

About: the Raspberry Pi is Awesome!

Basic tutorial of how to setup a Maestro Servo Controller with the Raspberry Pi.

Step 1: Parts


RPI Zero W (Barebones Kit) –

4 Amp Power Adapter –

16GB Micro SD –

120 pcs jumper cable:

5.5×2.1mm Male+Female DC Power Socket:

Micro USB to DC barrel converter:

Mini USB to USB cable:

Maestro Servo Controllers:

Step 2: Setup

5V -> 5V


TX -> RX

RX -> TX

1. Disable console serial

sudo raspi-config select interfacing options -> Serial -> No -> Yes save & exit

2. Install pyserial

python -m pip install pyserial (may be a bit slow)

3. Clone Repo

git clone

4. Disable bluetooth uart

sudo nano /boot/config.txt

append to bottom: dtoverlay=pi3-disable-bt


5. Reboot RPI

sudo reboot

Step 3: Code

Maestro Python Library:

Step 4: Additional Info

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3 months ago on Introduction

Hey awesome tutorial!! but it didn't initially work for me.
1. This didn't work for me "python -m pip install pyserial"
a. to get this to work i did
sudo apt-get install python-serial
2. Also this didn't work for me
servo = maestro.Controller()
a. instead to get it to work -- i had to specify the actual serial device to use:
servo = maestro.Controller('/dev/ttyAMA0')
3. also i had to run the script with sudo (or give /dev/ttyAMA0 permissions -- chmod 777 /dev/ttyAMA0)
4. i also found (on Polulu) site -- an easier way to control the stepper motor from the bash shell -- rather than do it in python. just for funzies.
5. also you can also just wire a 5+ volt from the raspberry pi and ground directly to the maestro's power needed for the stepper motors (instead of having to power it from an external power supply -- in your diagram as 'servo power supply' -- as long as your servo's just need 5volts)

anyways... super fun!