The clock pulse from the LM555 timer is fed into the clock input of IC2, causing it to increment by one for every pulse. The second CD4033 IC (IC3) controls the tens place. The carry-out pin of IC2 ...

It sends out ultrasonic waves (whenever the TRIG pin of the sensor gets triggered by Arduino ... Up next, we’ll take a look at the block diagram of this Smart Walking Stick using Arduino, giving a ...