Duo is a thumb-size development board made to simplify the building process of Internet of Things (IoT). Everything you need is built into the Duo.
It contains WiFi, BLE and Cloud. With the help of RBLink, a RedBear expansion board, you can attach add-on modules without any soldering at all.
You can get your prototype up and running in no time. Dimension: 40 x 20 x13 mm How to get started with Duo?
Please visit the GitHub page redbear/Duo, https://github.com/redbear/Duo, for all the information you need to get started with Arduino IDE, Particle.io and Broadcom WICED SDK.
Duo is a thumb-size development board made to simplify the building process of Internet of Things (IoT). Everything you need is built into the Duo. It contains WiFi, BLE and Cloud. With the help of RBLink, a RedBear expansion board, you can attach add-on modules without any soldering at all. You can get your prototype up and running in no time.
Features
Wifi + BLE
Duo contains both WiFi and BLE capabilities. You can build your project using either WiFi or BLE or both. They share the same 2.4GHz antenna and can run at the same time. This gives you the flexibility in utilizing the most suitable wireless technology(s) for your project.
Development – Arduino Sketches, Javascript, Embed C
Duo gives you four development platforms/languages to choose from:
Arduino IDE – Popular Development platform.  Easy to learn.
Particle WebIDE – an online development platform allows you to program your Duo online.  So, you can be miles away and still be able to do your tweaking of your Duo.
Broadcom WICED SDK – An advanced development platform where you can do low-level tweaking.  With the WICED SDK, Duo can support Classic Bluetooth which you can build audio or streaming data devices. If you have Apple MFi license, you can even development your Apple HomeKit project with Duo and WICED.
Javascript – Yes. If you know Javascript already, you are ready to go!
We also provides many of sample projects, sample codes including Android and iOS.  You can find them on our website or via GitHub.
Cloud – Particle Cloud
Thanks to our partner, Particle, every Duo will come with instantly ready Cloud service.  Just with a few clicks from our Companion App, you will be connected to Cloud seamlessly.  And not only that, the Cloud service is FREE for the lifetime of Duo.  You can push any changes and data via Cloud right from the start.
Add-Ons – Grove Modules from Seeed
Coupling the Duo with RedBear RBLink, modules from the Seeed’s Grove System can easily be attached to your project. There is no need of any soldering work.  Just attach with jumper connectors and you are ready to see result.
Partners
We don’t work alone. We connect with other IoT companies to bring Maker community better and better user experiences.
BlueKitchen – We are collaborating with BlueKitchen to integrate their BTstack with the our Duo.
BTstack is BlueKitchen’s implementation of the official Bluetooth stack. It is a dual-mode Bluetooth (BLE + Bluetooth Classic) stack, with small memory footprint and available as ANSI-C source code. BTstack is free for non-commercial use.
Blynk – You will enjoy 50% discount on a single purchase of Blynk paid services when they’re live.
Blynk is the most user-friendly mobile app constructor for the Internet of Things, working seamlessly with RedBear Duo.
Particle – You can use all Particle online tools and cloud messaging service for RedBear Duo for development and prototyping.
Particle offers a suite of hardware and software tools to help you prototype, scale, and manage your Internet of Things products. Help make Duo cloud ready right out of the box.
Seeed – Integration partner of our RedBear RBLink Board and their Grove System to keep prototyping quick and solder-less. Seeed will also manufacture all our Duo and RBLink boards.
Seeed is a hardware innovation platform for makers to grow inspirations into differentiating products. Seeed helps makers to productize their ideas/prototypes using their in-house engineering, supply chain management and agile manufacture forces.
Hardware
The Red Bear Duo contains a ST Microelectronic STM32F205 ARM Cortex-M3 and Broadcom BCM43438 WiFi 802.11n (2.4GHz only) + Bluetooth 4.1 (Dual Mode) combo chip. It has a on-board 16 Mbit (2 MByte) SPI Flash.
Duo
- STMicroelectronics STM32F205 ARM Cortex-M3 @120MHz, 128 KB SRAM and 1MB Flash
- Broadcom BCM43438 WiFi 802.11n (2.4GHz only) + Bluetooth 4.1 (Dual Mode) combo chip
- On-board 16 Mbit (2 MB) SPI Flash
- Integrated chip antenna with the option to connect external antenna
- 18 I/O pins
- RGB status LED
- Small single-sided PCB for easy mounting on other PCB boards
- Duo comes in with headers soldered
RedBear RBLink
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