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Meshtastic uses hardware development boards, like ESP32 and nRF52840, that support LoRa and BLE communication technologies, along with GNSS receivers. These devices enable seamless mobile app connectivity via Bluetooth or Wi-Fi, allowing long-range message retransmission across a mesh network using LoRa transceivers.
The project was started as a Python application by Paulus Schoutsen in September 2013 and first published publicly on GitHub in November 2013. [24]In July 2017, a managed operating system called Hass.io was initially introduced to make it easier to use Home Assistant on single-board computers like the Raspberry Pi series.
Many of these systems interface with consumer electronics such as the Arduino or Raspberry Pi, which are easily accessible online and in most electronics stores. [23] In addition, home automation devices are increasingly interfaced with mobile phones through Bluetooth, allowing for increased affordability and customizability for the user. [8]
Since major version 2 of openHAB the connections to physical devices is split in 2 levels. "Things" are the interface elements to a specific physical device (e.g. an interface to a home automation network like KNX, Z-Wave or Zigbee). Within these things, one or more "Items" can then be defined or discovered.
Zigbee is an IEEE 802.15.4-based specification for a suite of high-level communication protocols used to create personal area networks with small, low-power digital radios, such as for home automation, medical device data collection, and other low-power low-bandwidth needs, designed for small scale projects which need wireless connection.
Integrates Zigbee (IEEE 802.15.4). It can be used with other 802.15.4 network standards as well as Zigbee. It is the same shape as the Duemilanove, includes an external RPSMA jack on the side of the board opposite the power jack, and is compatible with shields that work with other 3.3 V boards. EtherTen [122] ATmega328P Freetronics
The Raspberry Pi Zero v1.3 was released in May 2016, which added a camera connector. [40] The Raspberry Pi Zero W was launched in February 2017, a version of the Zero with Wi-Fi and Bluetooth capabilities, for US$10. [41] [42] The Raspberry Pi Zero WH was launched in January 2018, a version of the Zero W with pre-soldered GPIO headers. [43]
Two months later, the project expanded to include an open-hardware platform when developer Huang R committed the gerber file of an ESP8266 board, named devkit v0.9. [14] Later that month, Tuan PM ported MQTT client library from Contiki to the ESP8266 SoC platform, [ 15 ] and committed to NodeMCU project, then NodeMCU was able to support the ...