Botmonster Tech
Use trigger.entity_id in Home Assistant YAML to target the switch that fired the automation, without hardcoding entity IDs in your action block.
Smart Home
Real-world smart home builds with Home Assistant, sensors, and integrations that survive past the honeymoon period.
Setup local voice control with Willow for Home Assistant
Willow is open-source ESP32-S3 Box firmware for local voice control in Home Assistant. No cloud, no subscription, no audio leaving your network.
Local AI security cameras: Frigate with Google Coral TPU
Run Frigate NVR with a Google Coral TPU for real-time AI detection across many camera streams on local hardware, with no cloud fees or privacy risk.
Build a low-cost air quality sensor with ESPHome
Wire a PMS5003 or Sensirion SEN66 to an ESP32 with ESPHome to build a low-cost air quality sensor for Home Assistant with no cloud, for under $50.
Track your home's energy usage with Home Assistant
CT clamp monitors plus the Energy Dashboard give the per-circuit visibility smart meters miss, with automations that cut electricity bills 10-15%.
Build a DIY smart mirror with Home Assistant integration
Build a DIY smart mirror from two-way glass, a monitor, and a Raspberry Pi. Show weather, calendar, and live Home Assistant data on your wall.