Transform your legacy devices into smart home components
WiFi bridges and sensors for alarm panels, boilers and more, made for Home Assistant, Tasmota and MQTT.
Coming soon
Coiaca Cloud HA: your own Home Assistant in the cloud
A complete, private Home Assistant with its own HTTPS address, MQTT broker and disk. No Raspberry Pi, no SD cards and no server to look after at home. Join the waitlist and we will let you know when it launches.
Featured devices
On sale
-
Product on sale
Smart Temp Tracker Black (WiFi with Tasmota)Original price was: 36,40 €.28,00 €Current price is: 28,00 €. -
Product on sale
USB Serial-UART-TTL adapter with CH340G chip (5V and 3.3V)Original price was: 9,00 €.6,99 €Current price is: 6,99 €. -
Product on sale
Wifi bridge for boilers with Tasmota FW ABCt v2.2Original price was: 90,00 €.79,99 €Current price is: 79,99 €. -
Product on sale
AVATTO Tuya WiFi TRV radiator valve (TRV16)Original price was: 55,00 €.45,00 €Current price is: 45,00 €.
From the blog
- Home Assistant in the cloud or on a Raspberry Pi: which one suits you
The same Home Assistant, on hardware at home or in the cloud. What each option really costs, side by side, and when each one makes sense. - How to access Home Assistant away from home without opening ports
Opening a port on your router is the best-known way and the least advisable one. Three safe alternatives, what each one needs and which one suits you. - Apps and Marketplace: what changed in Home Assistant in 2026
Add-ons are now apps and HACS is now the Marketplace. What each one is, which installations it runs on and what it means for yours.