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- Order number: NCD-PR16-17
- Manufacturer product ID: PR16-17
This IoT 2-channel high-power relay controller is capable of hosting many types of IoT communication modules, including Particle Photon, Electron, Arduino, and more. On-board relays are ideally suited for control of high power loads up to an absolute maximum 30 Amps at 240VAC, depending on relay chosen during purchase. This design is suitable for some mildly inductive loads when used with external induction suppression capacitors, but focuses primarily on resistive load switching. This controller includes 20-Amp SPDT or 30-Amp SPST relays, customized when added to your shopping cart.
This controller is based on the MCP23008, a common I2C interface chip for GPIO applications. In this design, the GPIO port is used to control 2 on-board SPDT relays. Six programmable Digital Input/Output port pins are also available via screw terminals for use in Contact Closure detection applications or monitor and control external TTL circuits. Three on-board address jumpers allow up to 8 similar devices (based on the MCP23008 or MCP23017) to be chained to the same I2C bus for individual control. On-board status LEDs display the on/off status of each relay. This controller may be powered using our optional power supply or with 12VDC and direct screw terminal connection of bare power wires.
Leverage the power of IFTTT.com and Particle services to do almost anything. Send a tweet if someone rings your doorbell, send a notification to your phone if someone opens a door, turn on almost anything right from your phone with simple setup, the possibilities are endless. NCD provides this controller with a pre-programmed Particle Photon module for easy connection to IFTTT. No programming required! Just use the simple IFTTT interface to setup your different configurations.
Powered By Particle
Give your Particle Photon the power to interact with the real world in ways never before possible. Complete with a Particle Photon module pre-flashed with our custom IFTTT firmware, NCD compatible shields allow for control of many types of relays, monitoring digital and analog sensors, and much much more. Chain I²C accessory boards to your system to add whatever you may need for your next control and automation project.
What is the NCD IoT Interface?
The NCD IoT Interface provides users with a means of changing or upgrading the IoT communications technology as new technologies emerge. The NCD IoT Interface is directly compatible with Particle Photon for WiFi communications, Electron for Cellular Communications, Bluz for Bluetooth. Optionally, adapters may be installed to provide a direct interface to Arduino Nano, Micro, USB, PyCom WyPy, Onion Omega, Raspberry Pi, and much more. The NCD IoT interface allows you to re-use your hardware so it never becomes obsolete! Based on I2C communications, the NCD IoT Interface uses only 2 GPIO lines of your microcontroller, freeing the rest of your CPU for other tasks.
Unlimited I2C Expansion
Based on our plug-and-play I2C interface standard, all NCD IoT devices are equipped with a I2C expansion port, making it easy to expand to a wide variety of sensors, current monitors, relay controllers, PWM controllers, and much more! We are always designing new expansions for our plug-and-play I2C framework. We are dedicated to building a product line of interconnected devices to simplify all forms of automation. Re-use or upgrade your hardware in seconds by selecting the modules that best fit your needs, and chaining them together using the included I2C expansion cables!
20-Amp SPDT Relay Option
This controller is available with a 20-Amp relay option, allowing control of high-power loads up to an absolute maximum of 240VAC at 20 Amps. Ideal for high-power switching applications, this relay should never be used for low-power signals. The 20-Amp relay is of the SPDT variety, which provides Common (C), Normally Open (NO), and Normally Closed (NC) connections. Common is connected to NC when the relay is off. Common disconnects from NC and connects to NO when the relay is activated. This relay uses .250″ Quick Connect terminals (optional accessory) to connect to the top side of the relay. The relay is molded with COM, NC, and NO markings into the plastic.
30-Amp SPST Relay Option
This controller is available with a 30-Amp relay option, allowing control of high-power loads up to an absolute maximum of 240VAC at 30 Amps. Ideal for high-power switching applications, this relay should never be used for low-power signals. The 30-Amp relay is of the SPST variety, which provides Common (C) and Normally Open (NO) connections. Common has no connection when the relay is off. Common connects to NO when the relay is activated. This relay uses .250″ Quick Connect terminals (optional accessory) to connect to the top side of the relay. The relay is molded with COM, NO markings into the plastic.
- 2-Channel High-Power Relay Controller with IoT Interface
- 6-Channel Programmable Digital Input/Output (GPIO)
- Compatible with Electron, Photon, Bluz, or RedBear
- Adaptable to Onion, PyCom, Raspberry Pi, Arduino
- MCP23008 I2C Controlled Mechanical SPDT Relays
- Available with 20-Amp SPDT or 30-Amp SPST Relays
- World’s Most Expandable Controller with I2C Expansion Port
- Wireless Remote Operation with Key Fob Expansion Option
- ESP8266 and USB IoT Interface Modules are Also Available
- IFTTT Firmware Available for Internet Relay Control
- Example Libraries Available on GitHub
- Do you have any questions concerning this product?
- IFTTT Controllers Quick Start Guide
- Mechanical Relay Types
- Bluz Quick Start Guide
- Alexa Garage Door Opener Voice Activated
- Controlling Inductive Devices: Managing Induction & Electromagnetic Interference
- Introduction to Computer Controlled Relays and Switching
- Relay Logic
- I2C Connection Diagram.pdf
- Official Repository
- Further products by NCD