BrainFlow In the BrainFlow slack, BrainFlow developer Andrey Parfenov from Russia: https://www.linkedin.com/in/andreyparfenov/?locale=en_US supports your projects and sais to you, you have to build these devices by yourself. Home Assistant Rasperri PI MQTT Projects for sports sensors, ECG, EEG, MEG: https://community.home-assistant.io/t/rasperri-pi-mqtt-projects-for-sports-sensors-ecg-eeg-meg/427233 And no one will answer. So you have to build yourself, either. www.openbci.com Single electronic …