Can you not type the numbers on the chip?
Also drewmerc do you have any links on how to probe TTL with a meter?
Obviously it should be easy to find 5V and ground, do you just test the other two pins when you figure those out?
Also drewmerc do you have any links on how to probe TTL with a meter?
Obviously it should be easy to find 5V and ground, do you just test the other two pins when you figure those out?