1. One Channel EEG with TGAM Brainwave Sensor Kit: https://www.researchgate.net/publication/361788451_Prototyping_Smart_Home_for_Immobilized_People_EEGMQTT-Based_Brain-To-Thing_Communication 2. One Channel EEG with Cyton Board & OpenBCI Bluetooth dongle & ODROID XU4: http://docsdrive.com/pdfs/medwelljournals/jeasci/2020/1377-1384.pdf 3. EEG Device Kit with Local MQTT Server: https://foc.us/article/45-eeg-dev-kit-install-configure-local-mqtt-server/ Only devices are mentioned, for which a paper is available, which confirms, that MQTT works, and products, which are sold as …