Power and Control

Batteries 

 Battery 1 

 Capacity: 71,688mah + 17,457mah + 14,206mah = 103,351mah  

 Battery 2 

 Capacity: 90,007mah + 12,816mah = 102,823mah 

 Battery 3 

 

 Battery 4 

 PCB Iterations 

 

 V0.1 (Breadboard) 

 Pre-PCB design that often was multiple parts of the system that would eventually become one. 

 Pros 

 

 Easy to add/change components for testing 

 

 Cons 

 

 Unreliable connections 

 

 Components 

 

 

 ESP32-WROOM-32U 

 

 

 FLIPSKY 75100 VESC 

 

 Stepper motor driver DM542T 

 SparkFun Logic Level Converter - Bi-Directional 

 

 

 V0.1 (Breadboard) 

   

 

 V1 

 Version one was created by Brandon Marcellus & Juan Silva early on in the start of the project after we had started some of the basic wiring of control and data collection. 

 Pros 

 

 Organization greatly improved 

 Power distribution 

 

 

 Cons 

 

 Logic level shifter was not wired correctly 

 Not enough IO ports were available for use 

 SD Card module VCC pin was connected to 3.3V instead of 5V 

 

 

 V1 

 

 

 

 V 1.1 (Breadboard) 

 

 V2