We found this circuit in a 1980s documentation. Equivalent components can be used. The circuit senses temperatures in the range of 0 to 50º C and uses a transistor as sensor.
September 2016 - Mouser Electronics already has the new TPS54335-2A from Texas Instruments...
This circuit is inserted in series with an incandescent lamp causing it to flash at a frequency...
This immobilizer circuit for vehicles was found in a 80’s Hands On Electronics. The circuit...