Intelligent Helmet for Coal Miners — Projects of 8051 | Microtronics .Jun 14, 2013 . his project is designed to provide Intelligent Helmet for Coal Miners And . Circuit diagram; PCB layout; Microcontroller program in assembley.intelligent helmet for coal miners schematic diagram,Intelligent safety system for coal miners - International Journal of .temperature, humidity in mining area to reduce potential safety problems in coal .. 3: Circuit diagram of the coal mine helmet as transmitter section. Fig.
intelligent helmet for coal miners schematic diagram