IoT Havi Coats IoT Havi Coats

LoRa

Low Power Radio Alliance is a group who have defined a protocol that allows a small message (55 bytes) to be transmitted with low power via a modulation technology. This allows some battery powered devices to transmit for years. Great for places where you have no power. Effective range about 5km.

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WiFi

Almost plug and play, WiFi has been part of normal internet useage for decades. Each successively new version increases speed and capacity. Great for places where you have power as WiFi consumes a fair amount of power to transmit and receive. Effective range about 50m.

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Grafana

Grafana is a timeseries dashboarding and monitoring tool. It can be used to explore databases like InfluxDB and graphs can be shared.

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RS-232

A standard for electrical communication, RS-232 is used for serial communication with a single device.

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Modbus

Modbus is one of the original industrial protocols. It runs on two or four wires and can let a single device talk to one or more devices on a bus. It has been converted to TCP and can be used accross a network.

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Balena

Balena is a service that includes all the tools you'd want to work with a fleet of internet connected devices. This works well to administrate our dashboard Raspberry Pis and other devices in the field.

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Ubiquiti

A great group of WiFi and related network devices. Their Access Points are excellent and don't quite (hopefully?) require any sort of cloud access configured.

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MikroTik

A range of powerful networking gear. A little hard to configure (this is not for home use) but incredible powerful via RouterOS. Works well with a network topology and testing tool called The Dude, also from MikroTik.

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LattePanda

Similar to the Raspberry Pi the LattePanda is a single board computer. It can run Windows and has an Arduino built-in for communicating with electronic devices. Our LattePanda is used for PowerBI and Accredo development.

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Databases Havi Coats Databases Havi Coats

Redis

A super fast key value store that can use memory or persist to disk. Often used by other systems for caching or event subscriptions.

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MySQL

The ubiquitous open source database. This technology probably powers most of the known web. May mangle your utf8 strings if you don't set the charset and collation correctly.

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PostgreSQL

Arguably the best open source general purpose database (sorry MySQL). Plenty of excellent extensions including GIS.

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PouchDB

PouchDB is a library for connecting to CouchDB and also an implementation of the CouchDB protocol inside the browser. Great for browser based editing tools.

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InfluxDB

We integrate and deploy solutions with InfluxDB as a timeseries database. InfluxDB is an excellent tool when looking at events over time.

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Dgraph

A GraphQL native graph database. Dgraph can be used for a simple search index or ramped up into a dynamic schema optional index calculating jugganaut.

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Docker

Assisting the progression of automating infrastructure moving to code, Docker is a standardised "container" for software and systems to run.

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