--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/carrerashark/README Fri Nov 18 12:16:22 2011 +0100 @@ -0,0 +1,18 @@ +CarreraShark +Rail data packet sniffer + +Hardware: Mega16, 8mhz + PD2 = Controller Input + |>o = Inv Schmitt Trigger for signal buffering (74hc14) + + [RAIL+] ------[33kohm]------+-----|>o--|>0----[PD2] + | + --[10kohm]--- + | + [RAIL-] --------------------------------+-----[GND] + + +Debug Pins: + PD3 = Packet Start pulse + PD4 = Bit timer pulse (50ns) + PD5 = Cycle Sync: each low/high change == start of cycle (after program packet received) \ No newline at end of file