Position: Index > Electrical Circuit >

ROAD_ICING_ALARM

2014-11-01 08:05  
Declaration:We aim to transmit more information by carrying articles . We will delete it soon, if we are involved in the problems of article content ,copyright or other problems.


ROAD_ICING_ALARM
Sensing transmitter mounted on auto about 2 feel above rood, with junction of transistor connected to case is connected to low-frequency oscillator having lamp load. R7 is adjusted so lamp is out but on verge of flashing of 2℃. When temperature drops, lamp flashes. Duration of each lash increases down to 0℃ after which lamp remains on.-J. A. Irvine, Reducing Winter Skids with a Transistor Warning Circuit, Electronics, 36:4, p 56-58.