www.8051projects.info/circuit.asp?im=visitor&desc=Digital-Visitor-Counter-(AT89C2051)
PLEASE EXPLAIN THE FUNCTIONS OF TRANSISORS T1,T3,T2,,Q1,Q2 IN THE CIRCUIT DIAGRAM
PLEASE EXPLAIN THE FUNCTIONS OF TRANSISORS T1,T3,T2,,Q1,Q2 IN THE CIRCUIT DIAGRAM