Countdown timers and alarms to remind a person to take or give medication and/or to remind a person of daily routines, incorporated into a wristband; Digital sound processors; Electronic control circuits for electronic musical instruments; Electronic control circuits for electric heaters; Electronic control circuits for fans; Electronic pens; Electronic personal emergency response system consisting of a device worn on the body with a button that users push to notify others in the event of an emergency, and a remote unit that dials out on the telephone for help; Headphones; Home automation hubs using artificial intelligence comprised of voice-activated speakers, computer hardware, and downloadable software for controlling networked devices in the internet of things (IoT); Home automation hubs using artificial intelligence comprised of voice-activated speakers, computer hardware, and downloadable software for operating internet-enabled and connected lighting apparatus and home security alarms; LED and HID light controls; Portable media players; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Projector lamps; Teaching robots; Touch screen pens; Touchscreens; Transmitter and receiver used to locate lost pets; Vehicle locating, tracking and security system comprised of an antenna and radio transmitter to be placed in a vehicle; Video monitors