The document lists 72 microcontroller and embedded system projects including time and access control systems using RFID or I-Button techniques, office automation systems using RFID, traffic light controllers, vehicle security and tracking systems using GPS and GSM, irrigation control systems using GSM, wireless sensor networks for monitoring temperature and other industrial parameters, flexible sensor applications for gesture control and appliances, and various wireless embedded systems using technologies like Bluetooth, Zigbee, RF and CAN bus protocols. The projects cover areas like security, automation, transportation, industrial monitoring, agriculture, medical, assistive technologies and more.