Renesas – YRDKRL78G14: Connectivity for Internet of Things (IoT)

Figure 1: Renesas Development Kit for Internet of Things (YRDKRL78G14)

Figure 1: Renesas Development Kit
for Internet of Things (YRDKRL78G14)

IoT, or “Internet of Things,” is a broad term that identifies the devices, services and infrastructures used to enable the collection, usage and analysis of data. It is a movement towards smart, connected, autonomous, and contextually aware devices that can now communicate intelligently to each other (M2M1, M2I2, M2E3)* or to us, in real time, processing data in the cloud or at the node and deciding autonomously or by presenting the most up-to-date information to us so we can make the best decisions or analyze data and make a profit selling the results. In a nutshell, the term IoT is so broad that it pretty much covers all device segments we see today, including wearables, home automation, appliances, energy saving devices, healthcare/medical, sensors, automobiles, consumer devices, and everything in between. It is anticipated that there will be at least 25 billion IoT-enabled devices by 2015, doubling to 50 billion by 2020. The growth potential and possibilities for IoT devices are vast, with the opportunity to create breakthrough products for silicon vendors and service providers.

In this environment, Renesas Electronics is well positioned to play a strategic role in enabling customers and partners to design the next big IoT application, providing not just components, but solutions.

The perfect example of this synergy between components and solutions is the RL78/G14 Demonstration Kit (YRDKRL78G14); it is a powerful tool to evaluate Wi-Fi connected solutions that bridge several sensors (3D accelerometer, temperature, light and more) to the Internet through the low-power, high-performance, 16-bit RL78G14 microcontroller – in a few words, an “IoT Demonstration Kit.”

Sporting a low-power, 802.11b/g/n on-board Wi-Fi module, a digital 3D accelerometer, temperature sensor, light sensor and many more peripherals, you will be able to monitor x, y and z orientation of the board, light, temperature, switch status and potentiometer position, turn LEDs on and off and send messages to the on-board LCD from anywhere with just a few simple steps!

Figure 2: Smartphone App

Figure 2: Smartphone App

Using a free app, the user can monitor and control the board with a smartphone (iPhone and Android) – Figure 2.

In addition to point-to-point wireless connectivity, the RL78/G14 RDK provides two examples of cloud connectivity; this option allows the user to monitor/control the RDK from virtually anywhere in the world. The RL78/G14 RDK is a great way to evaluate Renesas‘ and its partner’s products or spice up your DIY potential. The possibilities are endless!
A remote garage door controller? Check!
A remote garden irrigation system? Check!
A remote solar powered monitoring system? Check!

Figure 3: Cloud Connectivity examples are included

Figure 3: Cloud Connectivity examples are included



RL78/G14 Renesas Demonstration Kit (RDK)

    • RL78/G14 MCU board
    • Integrated Wi-Fi radio (Gainspan)
    • Segmented E Ink and LCD displays
    • Sample projects

Order No: YRDKRL78G14

* 1M2M: machine-to-machine communications 2M2I: machine-to-infrastructure 3M2E: machine-to-environment


Renesas_May2014_pg4hThe RL78G14RDK comes with all the tools you need to start developing your own solutions:

μC/Probe from Micrium

μC/Probe makes it possible to graphically visualize the internal variables of an embedded system with just a few mouse clicks. μC/Probe is a Windows application that allows you to read and write the memory of any embedded target processor during run time and map those values to a set of virtual controls and
indicators placed on a graphical dashboard. Absolutely no programming is required; simply drag and drop the graphic components into place, and monitor or modify variables in real time!

For more information:

Free Renesas Eclipse-based integrated development environment (IDE): essentially
open sourced, the Eclipse CDT covers build (editor, compiler and linker control),
as well as debug phase based on an extended GDB interface. A wide range of
compilers can be integrated into e² studio to ensure the customer has the choice
of tools to match their project requirements. When combined with extremely
powerful editor functionality and project management tools automatically built
into the Eclipse CDT, e² studio offers a state-of-the-art coding environment for
Renesas embedded controllers.


IAR Embedded Workbench®
Design it once. Design it right.

Reduce and reuse your development environment no matter which Renesas MCU you select. Embedded developers designing with Renesas’ flagship RX or RL78 MCUs can now get one free license for IAR Embedded Workbench.

IAR Embedded Workbench is a high-performance C/C++ compiler and debugger tool suite for applications based on 8-, 16-, and 32-bit microcontrollers, including virtually the entire range of Renesas MCUs. It incorporates a compiler, an assembler, a linker and a debugger into one integrated development environment. IAR Embedded Workbench provides fully integrated debug support for Renesas debuggers, as well as third-party debuggers, ensuring access to a powerful development environment.

Learn more: