Mqtt on Rusty Eddy

OttO: A Go-Based IoT Edge Gateway Architecture

Thu, 13 Jan 2022 00:00:00 +0000

A practical architecture overview of OttO, the Go-based IoT edge gateway used by the Organic Gardener project.

ESP32 Collection Station Architecture for IoT Sensor Networks

Thu, 13 Jan 2022 00:00:00 +0000

A device-side architecture note for ESP32 collection stations in the Organic Gardener IoT system.

Self-Watering Garden: An IoT Architecture Case Study

Wed, 25 May 2022 00:00:00 +0000

A practical case study showing how a self-watering garden can be designed as an IoT system with clear device, gateway, API, and dashboard boundaries.

Adding MQTT to the IoT Gateway

Tue, 29 Mar 2022 00:00:00 +0000

A practical MQTT implementation note for the OttO IoT gateway, covering topic design, subscriptions, callbacks, testing, and memory boundaries.

MQTT For Controllor Communication

Fri, 03 May 2019 00:00:00 +0000

The MQTT message bus is a simple but critical element of our MBR software design. MQTT provides what is known as a publish/suscribe or pubsub communications model. This model of machine to machine communication has some attractive benefits for realtime driving algorithms that we will discuss in this post.