Ouch!!! Good tips!
Todd * curt mayer <[email protected]> [140609 05:12]: > 1) don't plug in til311's upside down. it destroys them. there's a 40 > dollar error. > 2) momentary switches come in at least two flavors: normally open and > normally closed. using the wrong kind (momemtary open) on your reset and > slave clear switches keeps your machine in reset. > 3) check your caps before you put them in. i ended up desoldering two of > them. > 4) for a timer, if you don't have the right value cap, use what you got and > scale the resistor accordingly to give the same product. > 5) the 555's don't have numbers on the silk screen, so you need to follow > traces from known resistor names. > 6) there aint nothing like an oscilloscope to debug timers. > 7) solder 2 opposite corners of each socket, and then, while pushing on the > socket, reheat the pins. 'Click' means that there was daylight under the > socket. > 7) reheat all your solder joints after putting them all in; makes those > monster ground connections a bit less ugly, > > all in all, pretty smooth. > > --curt > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
