Complete Design and supply 3 working prototypes is expected.
2 transmitting nodes and one recieving node connected to PC via USB.
Node 1 &2:
Able to count max 10 pulses per second, detect pulse on rising or falling edge.
Store the total internally in non volatile memory.
Every xx mins transmit a data packet containing unique serial number + count value.
recieve packets and forward to usb to pc.
hyperterminal may be used on pc to verify that packets arrive every xx mins from node 1 and 2.