hi

can i use the circuit to produce 40khz for the ultrasonice sensor to work

can anyone explain the circuit, the part about buffer for the transmitter part and the amplifier for the receiver part but i dun understand the 4011 IC and the osc1 and osc2 for ?

hi
can i use the circuit the for my ultrasonic sensor 40khz square pulses?
can i anyone explain the circuit to me, i know the part about the buffer and the amplifier but wat does the 4011 IC and the connection at osc1 AND osc2 for?
pls reply to tis post realy nd help