Future Improvements - PCB Design

A project log for 2020 HDP Dream Team: Conservation X Labs

The 2020 HDP Dream Teams are participating in a two month engineering sprint to address their nonprofit partner. Follow their journey here.

Leonardo WardLeonardo Ward 09/19/2020 at 16:320 Comments

The following list presents some recommendations for future versions of the PCBs (Onboard Gateway V1.0, Buoy A V1.0 and Buoy B V1.0):

The problem is that the mount hole in the PCB identified (using white text) as "-" is connected con DCIN + in the USB LiIon/LiPoly charger. Also the mount hole identified as "+" is connected to the ground plane.

The "-" text should be changed to a "+". and the "+" text should be changed to a "-".

The J5 connector has 3 positions:

  1. Connected to Vin
  2. Connected to the EXT_5V pin in the ESP32.
  3. Not connected.

The objective of J5 is to solder a CONN HEADER VERT 3POS 2.54MM in the PCB and then use a CONN JUMPER SHORTING .100" GOLD to define the power source of the ESP32. If the jumper connects 1 and  2 then the ESP32 is connected to Vin, if the jumper connects to 2 and 3 then the ESP32 es not connected to Vin, in that situation the ESP32 can be powered through USB. Text should be added to this connector to identify the jumper alternatives, like the following image (Buoy A V1.0).

J2 can only be connected in one way, but adding text to the PCB can be helpful during debugging.