I'm an amateur 3D printed Robotics maker (youtube.com/PatchBOTS). I come at this from the 3D printing/engineering side and I'm learning the electronics and coding as I go. Up till now I've been buying prefab boards and wiring them together or making my own little circuit boards on solderable breadboard/scratch board type pieces. i'm at a point now where I want to learn how to make my own circuit boards to save space/time/etc. I have never one this before, but I have a copy of Autodesk Eagle and been following Jeremy Blums tutorials, but I have still run into issues I was hoping you could help with.
I'm making a Star Wars blaster gun. It has two triggers: 1. Single Shot trigger--> sends ground signal to soundboard pin0, also sends ground signal to base of PNP which activates the LED at the end of the barrel. 2. Multi Shot trigger-->sends ground signal to soundboard pin1, also sends ground singla to base of PNP which goes to pin8 of a 555 timer which blinks the same LED in sequence with the sound. This is controlled with a 1k variable resistor.
I want to make a board out of this, but I'm running into some issues. 1. How do I denote a "pinout" I basically want through holes at the end of the board for all the black text in the image. I'm not sure what to put there for "leaves board here". 2. How do I add the variable resistor along pins 6,7,8. The 555 timer is out of order and I have no idea how to even add in a variable resistor. 3. Other than my two problems, can you see anything else wrong with this schematic. I'm very new to this and I'm sure I have something backwards or upside down. Any help would be appreciated. EDIT: I've update the schematic to show the HEADERS recommended by others! Thank you guys! What about the variable resistor? How can I set that up along 3 pins that aren't near each other?
EDIT2: I think I have the variable resistor figured out. WI think this is right? Can anyone see anything jump out at them?