This circuit was found in an Electronics World of 1968. Its purpose in triggering a relay when the circuit receives signals from a vibration sensor. The circuit is used in emergency situations.
This circuit will trigger a buzzer with an oscillator if the ignition key is removed with the...
This TTL generator that can function as a control shield or external clock for microcontrollers was found in...
This circuit generates signals of various frequencies and waveforms, making it useful on the...