JJ Underwood·May 16, 2025Building HAL 9000 Smart Home DeviceHow I turned a HAL 9000 plastic model into All-in-One Smart Home device with ESPHome and Home Assistant.
JJ Underwood·Apr 8, 2025DIY All-in-One Environment Monitor V2My failed trial to upgrade ESPHome based all-in-one environment monitoring.
JJ Underwood·Jan 10, 2025Comparing Enclosures for Smart Home ProjectsFinding project boxes for ESP8266/ESP32 and sensors.
JJ Underwood·Dec 18, 2024Sending Car Data from ESP32 to AWS IoT and Home AssistantHow to collect data from a car to an ESP32 over BLE, send them to AWS IoT over cellular network, and use them on Home Assistant at home.
JJ Underwood·Nov 25, 2024Collecting Data from Car with ESPHome and Home AssistantESPHome external component to collect sensor data and diagnostic data from a car with a BLE OBD2 adapter and publish to Home Assistant.
JJ Underwood·Oct 29, 2024Receiving Statistics Report of DIY Smart Button by EmailIntegration Example of ESPHome based Smart Button, Home Assistant and AWS.
JJ Underwood·Oct 12, 2024Using DynamoDB and Timestream Together for Environment DataReducing Cost by Storing Time Series Data in both DynamoDB and Timestream with Multitier Architecture.
JJ Underwood·Oct 4, 2024DIY Smart ButtonHow to create an affordable and generic smart button device with ESPHome, Home Assistant and AWS.
JJ Underwood·Oct 3, 2024Visualizing Environment Data in Amazon TimestreamCustom Dashboard for Temperature, Humidity, Air Quality, Human Presence, etc. measured by ESPHome and Home Assistant.
JJ Underwood·Aug 30, 2024Storing Environment Data in Amazon TimestreamProperly storing data from Home Assistant in Amazon Timestream