PCB Etching Production Line User Manual

For Mechanical part (Etching production line)

Process/Operation:

1. Don't connect the circulation pump and heating element, unless there is enough etching liquid (or just water) in the etching tank.
2. Make sure Big Red Button (E-Stop) is pressed DOWN, before plugging in the power supply.
3. Connect USB-A plug to PC.
4. Enter 192.168.3.1 in browser URL bar, to access the notebook.
5. Login credentials: "xilinx" & "xilinx".
6. Navigate to "RUN_ETCHER_WITH_THIS" > "ETCHING_CONTROL.ipynb".
7. Run Block 1 of the Jupyter notebook, for setting ALL GPIO to low.

8. Then release the Big Red Button (E-Stop).
9. Run Block 2, to grab and transport PCB for etching, then clamp moving up and go into standby.

10. Wait til etching process finishes.
11. After etching is done, run Block 3 to grab etched PCB from tank and go to rinse, then go back to starting point, then back to original position for standby.

12. It is a good idea to leave the Big Red Button (E-Stop) down after use and unplugged, just in case.
13. You can use the "Run All" command to sequentially run through all code blocks, demonstrating a full production cycle.

Debugging:

1. Need to move motor somewhere?
   1. Create a new block at the end of code.
   2. Copy code (Forward, Backward, Up, Down) from the code blocks.
   3. time.sleep(x), change x to 1, for small steps, run multiple times until it bumps against the linear rail end and skips steps (but don’t worry it’s fine, for a limited amount of time)

For AI recognition part (AI QC)

1. Plug in USB power for LCD screen, it should turn on blue or camera feed.
2. If signal acting up, unplug the Mini-DP plug and re-plug it.
3. Click the run all button located next to the restart button on the top

For Pneumatic pump Operation:

1. Connect the pipes.
2. Plug in the power for compressor.
3. Press the ON button to let compressor do its work, until target pressure is met.
4. For the pressure regulator-thing, pull out the middle plastic cap and turn towards “+” sign direction, the number on gauge should climb up, set it to 0.2MPa, press the plastic cap back in to lock position.
5. After use, pull plastic cap and turn it towards “-”, till it drops to 0, lock cap.