Rev 2.3.0

Minor issue resolution and cleanup from the first ESP32 prototype.

• Issue#9 (Removed Prog Header)
• Issue#10 (Added Schematic I2C Addresses)
• Issue#11 (Reversed FTDI Chip Serial Inputs)
• Issue#12 (Removed GPS Serial Jumpers)
• Issue#13 (Reversed GPS Serial inputs to uC and Removed Jumpers)

Rev 2.2.0

Rev 2.2

• Change to ESP32 processor
• Clean up layout
• Make GPS ground plane per data sheet

Rev 2.1.0

Revision 2.1.0 after customer feedback and rev 2.0 testing:

• Change UART voltage connector to 3V3
• Update optocoupler resistor values for better input voltage range
• Add satellite modem connector
• Add output logic level port for external device communication
• Add SD Card for future logging

Rev 2.0

• Change from hotwire to servo release mechanism
• Reduce the number of external inputs to 2 for size/weight savings
• Add QWIIC connector