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The RC Servo Phidget can control up to 16 RC servo motors. This Phidget connects to your computer through a VINT Hub.
This Phidget is a smart device that must be controlled by a VINT Hub. For more information about VINT, have a look at the VINT Primer. You can use a Phidget Cable to simply and easily connect the two devices. Here's a list of all of the different VINT Hubs currently available:
|Image||Part Number||Price||Number of VINT Ports||Controlled By|
|HUB5000_0||$60.00||6||Local Network (Ethernet or Wi-Fi)|
Use a Phidget cable to connect this device to the hub. You can solder multiple cables together in order to make even longer Phidget cables, but you should be aware of the effects of having long wires in your system.
|Image||Part Number||Price||Cable Length|
The 16x RC Servo Phidget can drive up to 16 servo motors, up to a total maximum of 20 amps of current. Each of the servo motors in the list below is compatible with this Phidget and plugs directly to the board with no extra cables or soldering required. Servos come in two major varieties: limited rotation and continuous rotation. With limited rotation servos, the motor has a limited range of motion, but can be precisely controlled within that range. A continuous rotation servo can rotate continuously, but you won't be able to tell the servo to move to a specific location in degrees; instead you'll specify a direction and speed and for it to rotate at.
|Image||Part Number||Price||Motor Type||Range of Rotation||Rated Torque||Maximum Speed at Rated Voltage|
|3000_1||$12.00||Limited Rotation Servo||180°||3 kg·cm||286°/s|
|3200_0||$52.00||Limited Rotation Servo||180°||19.8 kg·cm||125°/s|
|3201_0||$57.75||Limited Rotation Servo||Approx. 2700°||11 kg·cm||225°/s|
|3202_0||$18.75||Continuous Rotation Servo||—||2.8 kg·cm||44 RPM|
|3203_0||$19.00||Limited Rotation Servo||180°||4.8 kg·cm||272°/s|
|3204_0||$40.50||Limited Rotation Servo||180°||7.7 kg·cm||300°/s|
|3205_1||$11.00||Limited Rotation Servo||175°||2.2 kg·cm||545°/s|
|3207_0||$10.00||Limited Rotation Servo||180°||2.4 kg·cm||375°/s|
|3209_0||$8.00||Limited Rotation Servo||180°||3.5 kg·cm||400°/s|
|3212_0||$18.00||Continuous Rotation Servo||—||12.2 kg·cm||50 RPM|
This Phidget requires a power supply between 8 and 30V DC. We recommend that you use a 12V 5A DC power supply in most cases, but if you plan on using servos that add up to more than 5 Amps, you will want to get a power supply with a higher current rating. Select a power supply from the list below that matches your region's wall socket type.
|Product||Electrical Properties||Physical Properties|
|Image||Part Number||Price||Power Supply Current||Output Voltage||Wall Plug Style|
|3022_0||$10.00||2 A||12 V||Australian|
|3023_1||$10.00||2 A||12 V||European|
|3024_1||$10.00||2 A||12 V||North American|
|3025_0||$10.00||2 A||12 V||British|
|3084_0||$1.50||500 mA||12 V||European|
|3085_0||$1.50||500 mA||12 V||North American|
|3086_0||$10.00||1 A||24 V||North American|
|PSU4013_0||$20.00||2.5 A||24 V||—|
|PSU4014_0||$40.00||5 A||24 V||—|
|PSU4015_0||$20.00||1 A||24 V||—|
|PSU4016_0||$40.00||15 A||24 V||—|
|PSU4017_0||$75.00||15 A||24 V||—|
|PSU4018_0||$20.00||5 A||12 V||—|
Welcome to the RCC1000 user guide! In order to get started, make sure you have the following hardware on hand:
Next, you will need to connect the pieces:
Now that you have everything together, let's start using the RCC1000!
In order to demonstrate the functionality of the RCC1000, the Phidget Control Panel running on a Windows machine will be used.
The Phidget Control Panel is available for use on both macOS and Windows machines.
To open the Phidget Control Panel on Windows, find the icon in the taskbar. If it is not there, open up the start menu and search for Phidget Control Panel
To open the Phidget Control Panel on macOS, open Finder and navigate to the Phidget Control Panel in the Applications list. Double click on the icon to bring up the Phidget Control Panel.
For more information, take a look at the getting started guide for your operating system:
Linux users can follow the getting started with Linux guide and continue reading here for more information about the RCC1000.
After plugging the RCC1000 into your computer and opening the Phidget Control Panel, you will see something like this:
The Phidget Control Panel will list all connected Phidgets and associated objects, as well as the following information:
The Phidget Control Panel can also be used to test your device. Double-clicking on an object will open an example.
Double-click on the RCServo object, labelled RC Servo Motor Controller, in order to run the example:
General information about the selected object will be displayed at the top of the window. You can also experiment with the following functionality:
Before you can access the device in your own code, and from our examples, you'll need to take note of the addressing parameters for your Phidget. These will indicate how the Phidget is physically connected to your application. For simplicity, these parameters can be found by clicking the button at the top of the Control Panel example for that Phidget.
In the Addressing Information window, the section above the line displays information you will need to connect to your Phidget from any application. In particular, note the Channel Class field as this will be the API you will need to use with your Phidget, and the type of example you should use to get started with it. The section below the line provides information about the network the Phidget is connected on if it is attached remotely. Keep track of these parameters moving forward, as you will need them once you start running our examples or your own code.
You are now ready to start writing your own code for the device. The best way to do that is to start from our Code Samples.
Select your programming language of choice from the drop-down list to get an example for your device. You can use the options provided to further customize the example to best suit your needs.
Once you have your example, you will need to follow the instructions on the page for your programming language to get it running. To find these instructions, select your programming language from the Programming Languages page.
The easiest way to determine the range of pulse widths to use is to check your servo's datasheet or specification table and use the numbers provided. If you do not have the numbers, you can determine them by following this process:
This process is important because selecting a minimum or maximum pulse width that results in the motor stalling could have an impact on the motor's lifespan if it spends a lot of time holding position at those locations.
If you have a continuous rotation servo, you don't have to worry about it stalling so you can just increase the maximum and decrease the minimum until you reach the servo's maximum speed.
Many applications call for several servo motors operating in unison - for example, operating a CNC table, or a robot arm. Highly precise synchronization of servos using the RCC1000 is not possible, as the sequencing will be affected by the real-time performance of your operating system. Each servo is controlled as a independent unit, so there is no way of arranging for a particular action to happen to all motors at the same time. Typical jitter can be 10-30mS.
For more information on servo motors and controllers, check the Servo Motor and Controller Primer.
|RC Servo Motor Controller||RCServo||0 - 15|
|Number of Motor Ports||16|
|Pulse Width Min||63 ns|
|Pulse Width Max||4 ms|
|Pulse Width Resolution||63 ns|
|Pulse Code Period||20 ms|
|Supply Voltage Min||8 V DC|
|Supply Voltage Max||30 V DC|
|Output Motor Voltage||5 V DC|
|Continuous Motor Current Max||(Total) 20 A|
|Selectable Output Voltage Levels||5.0, 6.0, 7.4 VDC|
|Current Consumption Max||20 A|
|Current Consumption Min||10 mA|
|Output Impedance (Motor)||100 Ω|
|Recommended Wire Size||12 - 24 AWG|
|Operating Temperature Min||-40 °C|
|Operating Temperature Max||85 °C|
|Date||Board Revision||Device Version||Comment|
|January 2018||0||106||Product Release|
|May 2019||0||110||Added failsafe functionality|
|June 2019||0||111||Fixed spurious "TargetPositionReached" triggers|