KD Serials vs Tru

KD series volt-ampere meter is a new type of coulomb meter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, remaining time, etc. At the same time, parameters can also be set to achieve full capacity voltage, zero capacity voltage, low capacity alarms, etc. Features. The meter can automatically identify the direction of the current, and can monitor the battery capacity in real time and use a broken code liquid crystal display. The measured data display information is comprehensive and user-friendly.

Complete camper and RV heating management, reimagined for iOS — now with Apple Watch, CarPlay, and Home Screen widget support. External hardware required: a self-hosted MQTT/BLE gateway device, configured and provided by the user (not included, not manufactured or sold by MF-Lab). CONTROL FROM YOUR IPHONE Monitor temperatures, adjust heating modes, and manage hot water settings directly from your iPhone. Choose Bluetooth for local, offline control or MQTT for remote access from anywhere. • Dual connectivity: Bluetooth (BLE) and MQTT • Real-time temperature monitoring • Battery voltage tracking with visual indicators • Detailed error code explanations • Hot water control (OFF/ECO/HIGH/BOOST) • Energy mix selection (Gas/Electric/Mix) • Background operation support ON YOUR WRIST A dedicated Apple Watch app shows live status at a glance — room and water temperature, battery, connection state — and lets you adjust the room temperature or switch heating modes without reaching for your phone. Get an alert right on your wrist the moment something needs attention. IN THE CAR Check your camper's status from the CarPlay screen while you drive: connection status, temperature, battery, and heating mode, laid out for a quick glance with minimal distraction. ON YOUR HOME SCREEN Add the Tru-Control widget to see your heater's last known status without even opening the app. Real-time updates, detailed diagnostics, and intuitive controls make managing your camper's climate effortless — from your pocket, your wrist, your car, or your Home Screen. Tru-Control is an independent, unofficial application and is not affiliated with, endorsed by, or sponsored by any heating system manufacturer. This app uses the standard Apple End User License Agreement (EULA), available here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/