This circuit of an EDN divides the input pulse frequency by even values. The circuit is TTL and can be used as a shield for microcontrollers.
This circuit is suggested by Texas Instruments in his Optoelectronics Sourcebook. Any photo...
This circuit provides a high intensity pulsating signal to a speaker. The circuit is from an...
The 4511 is a 7-segment latch driver providing up to 25 mA in each output. The typical application using the...