ModBee documentation

Hardware notes, setup guides and library references for ModBee. Every page comes straight from the ModBee repos on GitHub, so the docs keep up with the code.

Hardware

• Node UIO: the ESP32-S3 DIN-rail controller: hardware notes, the Arduino library and its API
• HATs: CAT SIM7070G, LTE A7670G, LoRa Mesh and PS AC/DC
• MPPT Charger: getting started, hardware, firmware and API
• Battery Pack 18650: specifications, cells, protection and safety

Programming

• OpenPLC: the Node UIO board package and the OpenPLC function blocks

Libraries

• MQTT and Sparkplug B: MQTT 5.0 client, broker and bridge, with Sparkplug B
• BeeBus: the peer-to-peer bus for RS485, radio and UDP
• Modbus: non-blocking Modbus RTU, ASCII and TCP
• Cellular (GSM): SIMCom cellular modems over AT commands
• OTA updates: firmware updates over MQTT, with rollback

Products, pricing and enquiries are on modbee.org. ModBee is a trading name of MR Electrical and Automation.