Tuesday, 26 February 2019

Colorado: Accessing to 802.15.4 networks from Raspberry Pi. Hardware

This document describes the integration between a Raspberry Pi and a Digi Xbee 802.15.4 module from a hardware perspective. The document is completed with the notes about the needed operations from a software perspective available here. The objective of the Colorado project is developing a STEAM...

Friday, 22 February 2019

Elbert: CC26x2 Launchpad + XBee 802.15.4 integration

The first tests for integrating a TI CC26x2 Launchpad as 802.15.4 end node in a PAN coordinated by a Digi Xbee Pro S1 module have been performed with relative successful results: Though the integration is feasible, there are still some stability issues that must be solved. The tests have been...

Friday, 15 February 2019

Litems based on ESP32 processors

ESP32 is a series of low-cost, low-power SoCs integrating Wi-Fi and dual-mode Bluetooth that have become the reference when talking about IoT (Internet of Things) devices, what means in a broad way low cost devices with Internet communication features. The ESP32 devices offer better features than...

Tuesday, 12 February 2019

Colorado: Voltage regulator for XBee Pro 802.15.4 module

In order to access/manage the 802.15.4 network, a Digi XBee Pro module is being integrated with a Raspberry Pi, the device where the STEAM gateway will run. This module has a typical voltage input of 3.3V, with a consumption that depends on many factors (versions, PRO features and running modes)....

Monday, 11 February 2019

Colorado projects started

A new branch in the project repository addressed to develop two new subprojects has been created. The new subprojects are: Litem (Mount) Elbert project, addressed to develop a set of Litems based on the Texas Instruments CC26x2 Lauchpad evaluation board (see evaluation board clicking here), using...

Sunday, 10 February 2019

GitHub repository created

A repository for becoming the project cooperative sourcecode base has been created and is available on GitHub (link here). A skeleton directory structure is being created as first step,  and the works on the wiki with the project documentation  are in progress. The skeleton...