Random number with CD4017

This is an example to generate random number with CD4017 IC. To use this circuit you must have fast clock generator circuit connect to S1 of CD4017. CD4017 Data sheetDownload CD4017 pdf data sheet here

Timer with 4060

This is an electronics timer by CMOS CD4060 which is CMOS 14 Stage Ripple-Carry Binary Counter/Divider and Oscillator.Output Qn is the nth stage of the counter, representing 2n, for example Q4 is 24 = 16 (1/16 of clock frequency) and Q14 is ...

RS232 Driver

RS232 Transceiver CircuitsThere are several RS232 transceiver circuit which common used for communicated between micro controller and other devices such PC or any devices that use RS232. Here is a collection of RS232 transceiver circuits that ...