by I-SYST inc.

A fingertip-size ARM M4F module with Bluetooth 5.2, Thread, Zigbee and 46 I/O

Jul 21, 2020

In Stock And Shipping Soon

Thank you very much for backing the BLYST840. We started the production process before starting the campaign. The BLYST840 USB Type-C Dongle was a late addition, it is being produced right now. As soon as the Type-C dongle arrives, we will ship them to Crowd Supply for fulfillment. Hurry up to pre-order! There is still time to make it in the first shipment. Read the full update.

Jul 06, 2020

Bluetooth Firmware in a Few Lines Of Code, and Campaign Ending

Thank you all very much for your support. The campaign ends in one day, after which, units will still be available for purchase but potentially at a higher cost. The previous update showed you how to install Eclipse and all the libraries required to write Bluetooth firmware. In this update we'll explore how easy it is to write Bluetooth firmware with it IOsonata library. Read the full update.

Jun 29, 2020

Eclipse Development Environment Made Easy

Some people think Eclipse is difficult to use, mainly because they don't know how to get started. But, using Eclipse isn't any harder than Keil, IAR, or SES. Unsuccessful installation is mostly due to bad tutorials, especially those from Nordic themselves. So, in this step-by-step tutorial, I will show you how easy it is to install the Eclipse development environment. Read the full update.

Jun 04, 2020

Launch Announcement

Dear backers, I am pleased to announce the launch of this new finger tip size Bluetooth 5.2 module and its development boards! Visit the campaign page to get yours now. Also, a photo of the USB-A dongle was released during pre-launch and we have received a lot of demand for a USB Type-C version of the dongle, so we have decided to add it to the pledge levels. Read the full update.

May 04, 2020

Ask Me Anything (AMA) this Wednesday

We are hosting a Discord AMA (Ask Me Anything) Wednesday May 6 at 1 PM PST Read the full update.

$5,118 raised

of $1,000 goal

511% Funded! Order Below

Product Choices



One BLYST840 module (NRF52840 CKAA module)


BLYST840 USB Dongle

One BLYST840 module assembled on a USB Type-A or Type-C breakout board.


BLYST840 Breakout Board

One BLYST840 module assembled on a breadboard-ready DIP48 breakout board with a USB micro port.


BLYST840 Exploration Kit

This kit is perfect for starter to learn about micro-controller with Bluetooth 5 & Bluetooth Mesh development. Two BLYST840 modules, one DIP48 Breakout Board, one BLYST840 USB Type-A Dongle, and an IDAP-Link CMSIS-DAP Debug JTAG.


I-SYST inc.

Provider of Wireless connectivity, Smart Sensor & IoT Solutions

Nguyen Hoan Hoang

See Also

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