Added schematic and PCB design files for ESP shield.

[patchedByBatman]

Main Changes

Added schematic and PCB design files. These files are the design files of a custom ESP32 shield board. The shield has the MPU9250 IMU, ESCs, and buzzer circuit connections. All of the remaining free pins are brought out as separate ports for later use.

A separate push will be done for the Raspberry Pi shield.

Associated Issues

• Addresses #57

[patchedByBatman]

Can we have a figure file (PNG, preferably) with the new board?

I have included separate *.png files for the schematic, and PCB.

[jamie-54]

Should we not keep the PCB the same width as the Pi so they can stick together nicely and fit inside the case? Hoping to make the case smaller in future as well. Also think we would be better moving the ESC header to a similar place as the old PCB just so we don't have to lengthen wires ect

[jamie-54]

@gunturiCM I made the changes I mentioned above can you check you are happy with them and update the PNG when you're happy

[patchedByBatman]

@gunturiCM I made the changes I mentioned above can you check you are happy with them and update the PNG when you're happy

I see you have made the board compact. But my intention was to make the IMU be at the centre of the board (Like designing around the IMU, rather than designing around the ESP). I will take your submission as a reference to make the board more compact. Thanks!

[patchedByBatman]

@gunturiCM I made the changes I mentioned above can you check you are happy with them and update the PNG when you're happy

@jamie-54 I have re-arranged the components according to your suggestions. Can you have a look and let me know if it needs any changes?

[patchedByBatman]

@jamie-54 I have changed the ESC headers position, please have a look and suggest any required modifications. Thanks.

[patchedByBatman]

Added mounting holes. Please have a look.