Suggested by General Electric in a 1970 documentation, this circuit makes use of some components of the time, in the case of transistors. The circuit detects smoke by the transparency changing of the air.
When the supply is established, the load only receives the supply some seconds later, a time that...
This circuit generates a signal in the tone-modulated FM range for tuning receivers. The circuit is...
When the voltage in the circuit exceeds the value set in the trimpot, the LED goes off and, if a...