Re: Tesla Programmer
Can I ask you which Arduino pins you're using to:-
-Drive the 9 PROM address pins
-Read the 4 data bits in
-Write the 4 data bits out
-Toggle the VCC supply volts to the chip
-Enable data output from the chip
Since all of these connections from mine to Chris's PCB will be by flying wires I am not committed to a particular connection scheme so it might make sense if I adopt roughly the same pin-> function scheme as you, especially if I switch to the UNO.
Where I'm driving address lines on a PROM or some such I tend to use the A0... to Ax... (analogue) pins as high as they go on the particular Arduino for the address lines before continuing on with pins 2,3,4.... (1 and 2 being tied up with the comms to the host).
|