Bidirectional counter | Microcontroller › 8051 › hi › Bidirectional counter February 2, 2017 at 2:18 pm #14397 Hari Prasaath KParticipant Hi, Below is the Link for the code from EG page you asked for.. http://www.engineersgarage.com/microcontroller/8051projects/Bidirectional-visitor-counter-AT89C51-circuit