bids are invited for electronics electric material study table l , electronic siren , electric fan motor , emergency warning light , laser pointer light , smart luggage guard , fire alert system , smart tissue dispenser , automatic light , brightness controller , light sensitive alarm , and gate concept , or gate concept , security alarm , room occupancy indicator , scarecrow motor , electronic fencing , house doorbell , pocket torch light , automatic garden light , led blinking , buzzer beeping , led plus buzzer alert , traffic light system , smart parking system , rgb color mixing , toll gate system , temperature and humidity display , obstacle detector , smart weather station , smart irrigation system , clap controlled fan , dark room alarm , ldr-based night light , ir object detection alarm , smart pedestrian traffic light system , digital dice , flame alert display , smart rain detection system , height measurement machine , water level alert system , smart home automation , digital notice board system , voting system machine , laser security system , smart dustbin , entry counter , quiz buzzer , touchless doorbell , temperature-controlled rgb system , obstacle avoider robot , anti-fall robot , smart bluetooth-controlled car , line follower robot , light following robot , basic movement test robot total quantity : 56