Connect everything in your facility
Whether your hardware speaks MQTT, Modbus, or plain GPIO, LoopString has a parts library entry for it. Wire it up in the Configurator — no custom code required.
Protocol Support
Native bridges for MQTT, Modbus RTU/TCP, and S7comm (Siemens PLCs). Connect sensors and actuators that speak industrial protocols without extra middleware.
Hardware Compatibility
Works with I2C, UART, and 1-Wire sensors. Sequent Microsystems HATs for analog I/O and relay control. Arduino and ESP32 via Pi gateway MQTT bridge.
Third-Party Devices
Kasa smart plugs (TP-Link) for WiFi outlet control. Generic programmable analog sensors with configurable range and units. Multi-point polynomial calibration for precision instruments.
Custom Integrations
Build custom Node-RED flows in the visual Configurator. Expose any hardware that has a serial, network, or GPIO interface. Parts library grows with every release.
Supported protocols
Parts library — pick your hardware, we wire the rest
The Configurator parts library contains dozens of pre-built parts: temperature sensors, pH probes, CO₂ meters, relay boards, motor controllers, and more. Select a part, choose your room, and LoopString generates the complete Node-RED flow — including RTDB publishers, PID controllers, and alert logic.
Don't see your hardware?
Contact us and we'll work with you to add it to the parts library.