4 Channel Wireless Relay

4 Channel Wireless Relay Controller

4 Channel Wireless Relay Board
Our 4 Channel Wireless Relay Board is available in SPDT, DPDT, and Solid State versions.  Select versions offers Wireless Relay Control + 8-Channels 8/10-Bit A/D, or Wireless Relay Control + UXP Expansion Port.  All ProXR Boards include an XR Expansion Port for adding additional relay banks using our Standardized ProXR Command Set.

Simply Network this Wi Fi Board to your computer and power up the device. In no time you'll be talking to the board and any attached Expansion Boards.
With no extra Programming you can talk to our Networking Boards via the Internet using SignalSwitch.com, without a dedicated computer for the board.
4 Channel WiFi Relay Board

Wireless Relay

Our Wireless Relays feature SPDT and SPST relays and are available with your choice of eight channel 8/10-Bit Analog to Digital Conversion or UXP Expansion Port on selected models, look for AD or UXP in the part number. All are of course SignalSwitch compatible.  Select Wireless Relays feature the ProXR Command Set and an XR Expansion Port, simply look for PROXR in the part number.  Built from the ground up with expansion in mind, simply chain the XR Expansion Modules to the XR Expansion port, one after another, to meet your computer controlled switching requirements to add up to 256 relays.
For more detailed information, video, manuals and to order, please click on the links below.


New to Wireless Relay? Click the following links for helpful wireless articles to get you started.
4 Channel Bluetooth Relay
BTUXPSSR4xProXR Bluetooth Wireless Relay

A/D Conversion
Wireless Analog to Digital Converter
UXP Expansion
UXP Expansion Port
XR Expansion
ProXR versions

Onboard analog to digital conversion is available on selected models of these controllers! This will allow you to:

  • Read light and temperature levels
  • Easily activate relays when A/D limits are reached
  • Detect audio levels in a room when connected to a microphone
  • Read switches, potentiometers, and analog joysticks
  • applications are limitless, and surprisingly easy to integrate
  • Available on select boards

UXP is a new standardized data port, specifically for the purpose of speaking to various expansion modules. If the controller you are considering is equipped with a UXP port, you can take advantage of extended commands to speak to our growing line of I/O expansion modules. UXP in the part number allows you to:

  • Add Contact Closure Inputs
  • Add Analog to Digital Inputs
  • Add Voltage Detectors
  • Digital Potentiometer Outputs
  • Available on select boards

Models with the ProXR suffix will feature the ProXR commend set. The ProXR series will allow you to:

NCD Component Library Download

Download NCD Component Library

By downloading the NCD Component Library you will receive over 40 samples from A/D Conversion to Duration and Pulse Timing and best of all it's FREE!! We want the user to be able to experiment with all the different samples available so as of right now the samples cannot be downloaded individually. 

We've "Started" the Programming for You

With the NCD Component Library we've "started" the programming for you.  We say started because these are fully functioning samples but we've also included the source code so you can customize them to your exact needs.  Start by downloading the NCDComponentSetup.zip file from the NCD Component page.
Download NCD Component Library

Over 40 samples included with this download!  To view screen shots of each example visit our NCD Component Library Page.