Your Camper.
Your Comfort.
Your Control.
Control your Truma heater in VW Grand California from anywhere — via app, Telegram or MQTT. Plug & Play in 10 minutes.
Full Control. From Anywhere.
Heating Control
Room heating & hot water control, set target temperature, choose energy mix and adjust fan mode — all via app.
Live Monitoring
Real-time room and water temperature. Target vs. actual comparison, heating status and WiFi signal strength at a glance.
Temperature History
48-hour chart with room and water temperature. Target and actual values compared with automatic updates.
Notifications
Email and Telegram — configurable per event. Target temperature reached, frost alert, heating on/off, box offline.
Telegram Bot
Control heating directly in chat. /status, /control, /set 22 — with push notifications and multi-user support.
Progressive Web App
Installable on any device. Dark mode, light mode, English and German. No app store required.
CampMatic App
Intuitive web app with live temperatures, heating control and 48h history.
Telegram Bot
Control heating and receive notifications — directly in Telegram chat.
Ready in 10 Minutes
No soldering, no crimping, no cable routing. Just plug in and start heating.
Connect Heater
Connect plug 1 to the Truma Combi heater (LinBUS socket).
Connect Control Panel
Connect plug 2 to the Truma CP Plus control panel.
Connect WiFi & Go
Place box in service compartment, connect to WiFi — done!
The service compartment under the bench seat in the Grand California is the ideal installation location — protected, discreet and easily accessible.
Internet or local — you decide
Via the Internet
Recommended
Connect the box to any WiFi network — LTE router, smartphone hotspot, campsite WiFi or Starlink. Full access from anywhere in the world.
Local Fallback AP
No Internet Needed
No WiFi available? No problem. The box automatically creates its own WiFi network. Connect directly and control the heating locally.
Will it fit my camper?
Tested and approved. Additional vehicle models will follow.
Both variants are supported.
Check in INIT menu: Settings → INIT → Version must start with C4.
Older protocol — data readable but no control possible. Upgrade to C4 available.
Uses a different communication method and is not supported.
CampMatic simulates an iNet Box. An original iNet Box must be removed first.
Under the Hood
For Pros: Your Own MQTT Server
CampMatic is based on the open ESPHome framework and communicates via MQTT. Connect the box to your own MQTT server and integrate it into Home Assistant, ioBroker or Node-RED. Customise the firmware at any time.
What Our Users Say
"Brilliantly simple! Installation really took just 10 minutes. Now I pre-heat my Grand California before arriving at the campsite."
"The Telegram bot is amazing. My wife now also controls the heating — right from the chat. And the frost alert already saved us once."
"As a Home Assistant user, this is fantastic: MQTT integration works perfectly. Integrated the box into my smart home and built custom automations. Top product!"
Ready for Smart Heating?
Everything you need — in one box.
What's Included
- 1x CampMatic GC_HW01 WiFi box (ESP32-based)
- 1x LinBUS connection cable for Truma CP Plus
- 1x Quick start guide
- Access to CampMatic app (hosted, no server setup required)
Questions? info@campmatic.de