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IoT & Home Automation

From sensor prototypes to a whole-home automation network that runs locally.

Work process

  1. Requirements
  2. Prototype and firmware
  3. Network design and build
  4. HA integration
  5. Automation
  6. Operation

Sensor and device prototypes

Solution
Prototype sensor hardware and firmware on ESP8266 and ESP32 modules.
Key elements
  • ESP-12F and NodeMCU modules
  • Arduino-based firmware
  • MicroPython and Tasmota
  • Raspberry Pi and ARM Mbed devices
  • Firmware flashing through programmers
  • Pin mapping
  • Module transplants that move commercial smart devices to open firmware
Built for
Product teams that need a working sensor prototype, and smart home owners who move commercial devices to open firmware.

Home Assistant integration

Solution
Custom sensors and commercial devices brought together in one Home Assistant system.
Key elements
  • Raspberry Pi or x86 hosts
  • Custom sensors and commercial devices
  • Configuration backup and restore
  • Node-RED automation flows in JavaScript
Built for
Homes and small offices that want one control system for all their devices.

Local direct networks and voice control

Solution
Device networks that run locally, without depending on a cloud service, with voice control.
Key elements
  • Zigbee
  • Z-Wave
  • Wi-Fi
  • Network design and build
  • Voice assistants such as Amazon Alexa
Built for
Homes and buildings that want automation independent of cloud services.

Representative solutions

Selected examples of what we build and operate; not a complete list.

Motion sensor node

ESP8266 firmware for a PIR motion sensor, with network time sync and a built-in web server, in use with Home Assistant.

Temperature and humidity sensor node

DHT temperature and humidity sensor firmware on a Wemos D1 mini (ESP8266), in use with Home Assistant.

Air conditioner temperature control firmware

ESP8266 firmware that controls air conditioning by room temperature from an SHT3x sensor, with an SSD1306 OLED status display and network time sync.

Home Assistant with Node-RED

A Home Assistant home automation system built and run in-house, with automation flows in Node-RED (JavaScript) that combine the in-house sensor nodes with commercial devices.

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