Raspberry Pi enthusiasts building projects incorporating relays may be interested in a new piece of hardware created by Sequent Microsystems, offering up to 32 relays in a single project. This innovative Raspberry Pi relay board is accessible from the command line and includes Python drivers and pluggable connectors, making it highly versatile and user-friendly. Watch the demonstration video below to learn more about the Raspberry Pi relay board offering up to 10A and 250V on each line.
Early bird pledges are available from just $20 for a single Raspberry Pi relay board, with worldwide shipping expected to take place during July 2020.
Features and Specifications
The Raspberry Pi relay board by Sequent Microsystems is designed to be highly functional and easy to integrate into various projects. The board can stack up to 8 levels high, providing a total of 32 relays. Each relay can handle up to 10A and 250V, making it suitable for controlling a wide range of devices and appliances. The relays are connected using 18mm male-female standoffs, and all necessary hardware for installation is included in the package.
One of the standout features of this relay board is its accessibility from the command line. This allows users to control the relays using simple commands, making it ideal for automation projects. Additionally, the board comes with Python drivers, enabling developers to write custom scripts to control the relays programmatically. The pluggable connectors make it easy to connect and disconnect devices, adding to the board’s versatility.
Applications and Use Cases
The Raspberry Pi relay board can be used in a variety of applications, from home automation to industrial control systems. For instance, you can use it to control lights, fans, and other household appliances. In an industrial setting, the board can be used to control machinery, pumps, and other equipment that requires high-current switching.
To test the card at the line voltage, Sequent Microsystems connected four light bulbs to the normal-open contacts of the relays. This setup demonstrated the board’s capability to handle real-world loads effectively. The board can be controlled directly from a web browser using a JavaScript program, allowing for remote operation. This feature is particularly useful for IoT (Internet of Things) applications, where devices need to be controlled over the internet.
“The cards are stacked with 18mm male-female standoffs. All the hardware required for the installation is provided. To test the card at the line voltage, we connected four light bulbs to the normal-open contacts of the relays. This card adds four line-switching relays to Raspberry Pi. It can be used to control loads of up to 10A and 250V. You can control directly all your lights and appliances. A JavaScript program can be used to control the relays from the browser. The script can switch up to 8 relays using another one of our cards.”
Getting Started
To get started with the Raspberry Pi relay board, you will need a Raspberry Pi, the relay board itself, and some basic tools for assembly. The board comes with a detailed user manual that guides you through the installation process. Once installed, you can start controlling the relays using the command line or by writing custom Python scripts.
For those interested in more advanced projects, the board’s stackable design allows for significant scalability. You can start with a single board and add more as your project grows. This makes it an excellent choice for both hobbyists and professionals looking to build complex automation systems.
Source: Kickstarter
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