Overview
Description
The RL78/G15 Fast Prototyping Board, featuring the RL78/G15 microcontroller, is ideal for various prototype developments. The built-in emulator circuit that is equivalent to E2 emulator Lite allows programming and debugging without extra tools. Additionally, it has Arduino Uno and Pmod™ interfaces, access to all microcontroller pins, and high scalability. Renesas also provides an Arduino library that supports creating various programs (sketches) on the Arduino IDE.
Features
- Equipped with an RL78/G15 16-bit microcontroller (20-pin, ROM: 8KB, RAM: 1KB)
- Programs can be written and debugged via the COM Port communication by connecting it to a PC with a USB cable
- Able to access all the microcontroller pins
- Standard Arduino Uno and Pmod™ interfaces
- Arduino library available
- Support for various RL78 software and tools
Applications
Design & Development
Software & Tools
Sample Code
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

Support
Support Communities
Videos & Training
This video introduces how to add the RL78 board platform released by Renesas Electronics
on GitHub to Arduino IDE version 1 and run sketches.
Related resources: Quick Start Guide page (GitHub)
00:00 Opening
00:30 Install the Arduino IDE
00:47 Install the tools
01:54 Write the sketch
02:02 COM port setting
02:29 Board setting
02:44 Compile, upload, LED blinking
News & Blog Posts
Blog Post
Apr 1, 2025
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Blog Post
Oct 30, 2023
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