IoT Systems on Rusty Eddyhttps://rustyeddy.com/categories/iot-systems/Recent content in IoT Systems on Rusty EddyHugoen-usSun, 31 May 2026 09:50:44 -0700OttO: A Go-Based IoT Edge Gateway Architecturehttps://rustyeddy.com/iot/iot-edge-gateway/Thu, 13 Jan 2022 00:00:00 +0000https://rustyeddy.com/iot/iot-edge-gateway/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 Networkshttps://rustyeddy.com/iot/iot-sensor-station/Thu, 13 Jan 2022 00:00:00 +0000https://rustyeddy.com/iot/iot-sensor-station/A device-side architecture note for ESP32 collection stations in the Organic Gardener IoT system.The Five Layers of a Practical IoT Systemhttps://rustyeddy.com/iot/iot-system-architecture-explained/Sat, 15 Nov 2025 00:00:00 +0000https://rustyeddy.com/iot/iot-system-architecture-explained/A practical five-layer model for IoT architecture, grounded in the OttO edge runtime and the Gardener reference application.Adding MQTT to the IoT Gatewayhttps://rustyeddy.com/iot/iot-gateway-mqtt/Tue, 29 Mar 2022 00:00:00 +0000https://rustyeddy.com/iot/iot-gateway-mqtt/A practical MQTT implementation note for the OttO IoT gateway, covering topic design, subscriptions, callbacks, testing, and memory boundaries.