This TTL time base for 60 Hz or 50 Hz can be used in instrumentation circuits or even with microcontrollers, serving as a precision shield. The circuit is based on 7400 NAND ports and two transistors.
This circuit allows controlling a LASER pointer with an input logic signal. R has 10 ohm for 3 V...
Figure bellow shows how the 4510 can be cascaded for counts higher than 10. The circuit shows the...
This type of circuit is interleaved between a microphone and a transmitter in order to improve the...